proto.m4 revision 95154
1divert(-1) 2# 3# Copyright (c) 1998-2002 Sendmail, Inc. and its suppliers. 4# All rights reserved. 5# Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved. 6# Copyright (c) 1988, 1993 7# The Regents of the University of California. All rights reserved. 8# 9# By using this file, you agree to the terms and conditions set 10# forth in the LICENSE file which can be found at the top level of 11# the sendmail distribution. 12# 13# 14divert(0) 15 16VERSIONID(`$Id: proto.m4,v 1.1.1.11 2002/04/10 03:04:58 gshapiro Exp $') 17 18# level CF_LEVEL config file format 19V`'CF_LEVEL/ifdef(`VENDOR_NAME', `VENDOR_NAME', `Berkeley') 20divert(-1) 21 22dnl if MAILER(`local') not defined: do it ourself; be nice 23dnl maybe we should issue a warning? 24ifdef(`_MAILER_local_',`', `MAILER(local)') 25 26# do some sanity checking 27ifdef(`__OSTYPE__',, 28 `errprint(`*** ERROR: No system type defined (use OSTYPE macro) 29')') 30 31# pick our default mailers 32ifdef(`confSMTP_MAILER',, `define(`confSMTP_MAILER', `esmtp')') 33ifdef(`confLOCAL_MAILER',, `define(`confLOCAL_MAILER', `local')') 34ifdef(`confRELAY_MAILER',, 35 `define(`confRELAY_MAILER', 36 `ifdef(`_MAILER_smtp_', `relay', 37 `ifdef(`_MAILER_uucp', `uucp-new', `unknown')')')') 38ifdef(`confUUCP_MAILER',, `define(`confUUCP_MAILER', `uucp-old')') 39define(`_SMTP_', `confSMTP_MAILER')dnl for readability only 40define(`_LOCAL_', `confLOCAL_MAILER')dnl for readability only 41define(`_RELAY_', `confRELAY_MAILER')dnl for readability only 42define(`_UUCP_', `confUUCP_MAILER')dnl for readability only 43 44# back compatibility with old config files 45ifdef(`confDEF_GROUP_ID', 46`errprint(`*** confDEF_GROUP_ID is obsolete. 47 Use confDEF_USER_ID with a colon in the value instead. 48')') 49ifdef(`confREAD_TIMEOUT', 50`errprint(`*** confREAD_TIMEOUT is obsolete. 51 Use individual confTO_<timeout> parameters instead. 52')') 53ifdef(`confMESSAGE_TIMEOUT', 54 `define(`_ARG_', index(confMESSAGE_TIMEOUT, /)) 55 ifelse(_ARG_, -1, 56 `define(`confTO_QUEUERETURN', confMESSAGE_TIMEOUT)', 57 `define(`confTO_QUEUERETURN', 58 substr(confMESSAGE_TIMEOUT, 0, _ARG_)) 59 define(`confTO_QUEUEWARN', 60 substr(confMESSAGE_TIMEOUT, eval(_ARG_+1)))')') 61ifdef(`confMIN_FREE_BLOCKS', `ifelse(index(confMIN_FREE_BLOCKS, /), -1,, 62`errprint(`*** compound confMIN_FREE_BLOCKS is obsolete. 63 Use confMAX_MESSAGE_SIZE for the second part of the value. 64')')') 65 66 67# Sanity check on ldap_routing feature 68# If the user doesn't specify a new map, they better have given as a 69# default LDAP specification which has the LDAP base (and most likely the host) 70ifdef(`confLDAP_DEFAULT_SPEC',, `ifdef(`_LDAP_ROUTING_WARN_', `errprint(` 71WARNING: Using default FEATURE(ldap_routing) map definition(s) 72without setting confLDAP_DEFAULT_SPEC option. 73')')')dnl 74 75# clean option definitions below.... 76define(`_OPTION', `ifdef(`$2', `O $1`'ifelse(defn(`$2'), `',, `=$2')', `#O $1`'ifelse(`$3', `',,`=$3')')')dnl 77 78dnl required to "rename" the check_* rulesets... 79define(`_U_',ifdef(`_DELAY_CHECKS_',`',`_')) 80dnl default relaying denied message 81ifdef(`confRELAY_MSG', `', `define(`confRELAY_MSG', 82ifdef(`_USE_AUTH_', `"550 Relaying denied. Proper authentication required."', `"550 Relaying denied"'))') 83ifdef(`confRCPTREJ_MSG', `', `define(`confRCPTREJ_MSG', `"550 Mailbox disabled for this recipient"')') 84define(`_CODE553', `553') 85divert(0)dnl 86 87# override file safeties - setting this option compromises system security, 88# addressing the actual file configuration problem is preferred 89# need to set this before any file actions are encountered in the cf file 90_OPTION(DontBlameSendmail, `confDONT_BLAME_SENDMAIL', `safe') 91 92# default LDAP map specification 93# need to set this now before any LDAP maps are defined 94_OPTION(LDAPDefaultSpec, `confLDAP_DEFAULT_SPEC', `-h localhost') 95 96################## 97# local info # 98################## 99 100# my LDAP cluster 101# need to set this before any LDAP lookups are done (including classes) 102ifdef(`confLDAP_CLUSTER', `D{sendmailMTACluster}`'confLDAP_CLUSTER', `#D{sendmailMTACluster}$m') 103 104Cwlocalhost 105ifdef(`USE_CW_FILE', 106`# file containing names of hosts for which we receive email 107Fw`'confCW_FILE', 108 `dnl') 109 110# my official domain name 111# ... `define' this only if sendmail cannot automatically determine your domain 112ifdef(`confDOMAIN_NAME', `Dj`'confDOMAIN_NAME', `#Dj$w.Foo.COM') 113 114CP. 115 116ifdef(`UUCP_RELAY', 117`# UUCP relay host 118DY`'UUCP_RELAY 119CPUUCP 120 121')dnl 122ifdef(`BITNET_RELAY', 123`# BITNET relay host 124DB`'BITNET_RELAY 125CPBITNET 126 127')dnl 128ifdef(`DECNET_RELAY', 129`define(`_USE_DECNET_SYNTAX_', 1)dnl 130# DECnet relay host 131DC`'DECNET_RELAY 132CPDECNET 133 134')dnl 135ifdef(`FAX_RELAY', 136`# FAX relay host 137DF`'FAX_RELAY 138CPFAX 139 140')dnl 141# "Smart" relay host (may be null) 142DS`'ifdef(`SMART_HOST', `SMART_HOST') 143 144ifdef(`LUSER_RELAY', `dnl 145# place to which unknown users should be forwarded 146Kuser user -m -a<> 147DL`'LUSER_RELAY', 148`dnl') 149 150# operators that cannot be in local usernames (i.e., network indicators) 151CO @ % ifdef(`_NO_UUCP_', `', `!') 152 153# a class with just dot (for identifying canonical names) 154C.. 155 156# a class with just a left bracket (for identifying domain literals) 157C[[ 158 159ifdef(`_ACCESS_TABLE_', `dnl 160# access_db acceptance class 161C{Accept}OK RELAY 162ifdef(`_DELAY_COMPAT_8_10_',`dnl 163ifdef(`_BLACKLIST_RCPT_',`dnl 164# possible access_db RHS for spam friends/haters 165C{SpamTag}SPAMFRIEND SPAMHATER')')', 166`dnl') 167 168dnl mark for "domain is ok" (resolved or accepted anyway) 169define(`_RES_OK_', `OKR')dnl 170ifdef(`_ACCEPT_UNRESOLVABLE_DOMAINS_',`dnl',`dnl 171# Resolve map (to check if a host exists in check_mail) 172Kresolve host -a<_RES_OK_> -T<TEMP>') 173C{ResOk}_RES_OK_ 174 175ifdef(`_NEED_MACRO_MAP_', `dnl 176ifdef(`_MACRO_MAP_', `', `# macro storage map 177define(`_MACRO_MAP_', `1')dnl 178Kmacro macro')', `dnl') 179 180ifdef(`confCR_FILE', `dnl 181# Hosts for which relaying is permitted ($=R) 182FR`'confCR_FILE', 183`dnl') 184 185define(`TLS_SRV_TAG', `"TLS_Srv"')dnl 186define(`TLS_CLT_TAG', `"TLS_Clt"')dnl 187define(`TLS_RCPT_TAG', `"TLS_Rcpt"')dnl 188define(`TLS_TRY_TAG', `"Try_TLS"')dnl 189define(`SRV_FEAT_TAG', `"Srv_Features"')dnl 190dnl this may be useful in other contexts too 191ifdef(`_ARITH_MAP_', `', `# arithmetic map 192define(`_ARITH_MAP_', `1')dnl 193Karith arith') 194ifdef(`_ACCESS_TABLE_', `dnl 195ifdef(`_MACRO_MAP_', `', `# macro storage map 196define(`_MACRO_MAP_', `1')dnl 197Kmacro macro') 198# possible values for TLS_connection in access map 199C{tls}VERIFY ENCR', `dnl') 200ifdef(`_CERT_REGEX_ISSUER_', `dnl 201# extract relevant part from cert issuer 202KCERTIssuer regex _CERT_REGEX_ISSUER_', `dnl') 203ifdef(`_CERT_REGEX_SUBJECT_', `dnl 204# extract relevant part from cert subject 205KCERTSubject regex _CERT_REGEX_SUBJECT_', `dnl') 206 207ifdef(`LOCAL_RELAY', `dnl 208# who I send unqualified names to (null means deliver locally) 209DR`'LOCAL_RELAY') 210 211ifdef(`MAIL_HUB', `dnl 212# who gets all local email traffic ($R has precedence for unqualified names) 213DH`'MAIL_HUB') 214 215# dequoting map 216Kdequote dequote`'ifdef(`confDEQUOTE_OPTS', ` confDEQUOTE_OPTS', `') 217 218divert(0)dnl # end of nullclient diversion 219# class E: names that should be exposed as from this host, even if we masquerade 220# class L: names that should be delivered locally, even if we have a relay 221# class M: domains that should be converted to $M 222# class N: domains that should not be converted to $M 223#CL root 224undivert(5)dnl 225ifdef(`_VIRTHOSTS_', `CR$={VirtHost}', `dnl') 226 227ifdef(`MASQUERADE_NAME', `dnl 228# who I masquerade as (null for no masquerading) (see also $=M) 229DM`'MASQUERADE_NAME') 230 231# my name for error messages 232ifdef(`confMAILER_NAME', `Dn`'confMAILER_NAME', `#DnMAILER-DAEMON') 233 234undivert(6)dnl LOCAL_CONFIG 235include(_CF_DIR_`m4/version.m4') 236 237############### 238# Options # 239############### 240ifdef(`confAUTO_REBUILD', 241`errprint(WARNING: `confAUTO_REBUILD' is no longer valid. 242 There was a potential for a denial of service attack if this is set. 243)')dnl 244 245# strip message body to 7 bits on input? 246_OPTION(SevenBitInput, `confSEVEN_BIT_INPUT', `False') 247 248# 8-bit data handling 249_OPTION(EightBitMode, `confEIGHT_BIT_HANDLING', `pass8') 250 251# wait for alias file rebuild (default units: minutes) 252_OPTION(AliasWait, `confALIAS_WAIT', `5m') 253 254# location of alias file 255_OPTION(AliasFile, `ALIAS_FILE', `MAIL_SETTINGS_DIR`'aliases') 256 257# minimum number of free blocks on filesystem 258_OPTION(MinFreeBlocks, `confMIN_FREE_BLOCKS', `100') 259 260# maximum message size 261_OPTION(MaxMessageSize, `confMAX_MESSAGE_SIZE', `1000000') 262 263# substitution for space (blank) characters 264_OPTION(BlankSub, `confBLANK_SUB', `_') 265 266# avoid connecting to "expensive" mailers on initial submission? 267_OPTION(HoldExpensive, `confCON_EXPENSIVE', `False') 268 269# checkpoint queue runs after every N successful deliveries 270_OPTION(CheckpointInterval, `confCHECKPOINT_INTERVAL', `10') 271 272# default delivery mode 273_OPTION(DeliveryMode, `confDELIVERY_MODE', `background') 274 275# error message header/file 276_OPTION(ErrorHeader, `confERROR_MESSAGE', `MAIL_SETTINGS_DIR`'error-header') 277 278# error mode 279_OPTION(ErrorMode, `confERROR_MODE', `print') 280 281# save Unix-style "From_" lines at top of header? 282_OPTION(SaveFromLine, `confSAVE_FROM_LINES', `False') 283 284# queue file mode (qf files) 285_OPTION(QueueFileMode, `confQUEUE_FILE_MODE', `0600') 286 287# temporary file mode 288_OPTION(TempFileMode, `confTEMP_FILE_MODE', `0600') 289 290# match recipients against GECOS field? 291_OPTION(MatchGECOS, `confMATCH_GECOS', `False') 292 293# maximum hop count 294_OPTION(MaxHopCount, `confMAX_HOP', `25') 295 296# location of help file 297O HelpFile=ifdef(`HELP_FILE', HELP_FILE, `MAIL_SETTINGS_DIR`'helpfile') 298 299# ignore dots as terminators in incoming messages? 300_OPTION(IgnoreDots, `confIGNORE_DOTS', `False') 301 302# name resolver options 303_OPTION(ResolverOptions, `confBIND_OPTS', `+AAONLY') 304 305# deliver MIME-encapsulated error messages? 306_OPTION(SendMimeErrors, `confMIME_FORMAT_ERRORS', `True') 307 308# Forward file search path 309_OPTION(ForwardPath, `confFORWARD_PATH', `/var/forward/$u:$z/.forward.$w:$z/.forward') 310 311# open connection cache size 312_OPTION(ConnectionCacheSize, `confMCI_CACHE_SIZE', `2') 313 314# open connection cache timeout 315_OPTION(ConnectionCacheTimeout, `confMCI_CACHE_TIMEOUT', `5m') 316 317# persistent host status directory 318_OPTION(HostStatusDirectory, `confHOST_STATUS_DIRECTORY', `.hoststat') 319 320# single thread deliveries (requires HostStatusDirectory)? 321_OPTION(SingleThreadDelivery, `confSINGLE_THREAD_DELIVERY', `False') 322 323# use Errors-To: header? 324_OPTION(UseErrorsTo, `confUSE_ERRORS_TO', `False') 325 326# log level 327_OPTION(LogLevel, `confLOG_LEVEL', `10') 328 329# send to me too, even in an alias expansion? 330_OPTION(MeToo, `confME_TOO', `True') 331 332# verify RHS in newaliases? 333_OPTION(CheckAliases, `confCHECK_ALIASES', `False') 334 335# default messages to old style headers if no special punctuation? 336_OPTION(OldStyleHeaders, `confOLD_STYLE_HEADERS', `False') 337 338# SMTP daemon options 339ifelse(defn(`confDAEMON_OPTIONS'), `', `dnl', 340`errprint(WARNING: `confDAEMON_OPTIONS' is no longer valid. 341 Use `DAEMON_OPTIONS()'; see cf/README. 342)'dnl 343`DAEMON_OPTIONS(`confDAEMON_OPTIONS')') 344ifelse(defn(`_DPO_'), `', 345`ifdef(`_NETINET6_', `O DaemonPortOptions=Name=MTA-v4, Family=inet 346O DaemonPortOptions=Name=MTA-v6, Family=inet6',`O DaemonPortOptions=Name=MTA')', `_DPO_') 347ifdef(`_NO_MSA_', `dnl', `O DaemonPortOptions=Port=587, Name=MSA, M=E') 348 349# SMTP client options 350ifelse(defn(`confCLIENT_OPTIONS'), `', `dnl', 351`errprint(WARNING: `confCLIENT_OPTIONS' is no longer valid. See cf/README for more information. 352)'dnl 353`CLIENT_OPTIONS(`confCLIENT_OPTIONS')') 354ifelse(defn(`_CPO_'), `', 355`#O ClientPortOptions=Family=inet, Address=0.0.0.0', `_CPO_') 356 357# Modifiers to `define' {daemon_flags} for direct submissions 358_OPTION(DirectSubmissionModifiers, `confDIRECT_SUBMISSION_MODIFIERS', `') 359 360# Use as mail submission program? See sendmail/SECURITY 361_OPTION(UseMSP, `confUSE_MSP', `') 362 363# privacy flags 364_OPTION(PrivacyOptions, `confPRIVACY_FLAGS', `authwarnings') 365 366# who (if anyone) should get extra copies of error messages 367_OPTION(PostmasterCopy, `confCOPY_ERRORS_TO', `Postmaster') 368 369# slope of queue-only function 370_OPTION(QueueFactor, `confQUEUE_FACTOR', `600000') 371 372# limit on number of concurrent queue runners 373_OPTION(MaxQueueChildren, `confMAX_QUEUE_CHILDREN', `') 374 375# maximum number of queue-runners per queue-grouping with multiple queues 376_OPTION(MaxRunnersPerQueue, `confMAX_RUNNERS_PER_QUEUE', `1') 377 378# priority of queue runners (nice(3)) 379_OPTION(NiceQueueRun, `confNICE_QUEUE_RUN', `') 380 381# shall we sort the queue by hostname first? 382_OPTION(QueueSortOrder, `confQUEUE_SORT_ORDER', `priority') 383 384# minimum time in queue before retry 385_OPTION(MinQueueAge, `confMIN_QUEUE_AGE', `30m') 386 387# how many jobs can you process in the queue? 388_OPTION(MaxQueueRunSize, `confMAX_QUEUE_RUN_SIZE', `10000') 389 390# perform initial split of envelope without checking MX records 391_OPTION(FastSplit, `confFAST_SPLIT', `1') 392 393# queue directory 394O QueueDirectory=ifdef(`QUEUE_DIR', QUEUE_DIR, `/var/spool/mqueue') 395 396# key for shared memory; 0 to turn off 397_OPTION(SharedMemoryKey, `confSHARED_MEMORY_KEY', `0') 398 399ifdef(`confSHARED_MEMORY_KEY_FILE', `dnl 400# file to store key for shared memory (if SharedMemoryKey = -1) 401O SharedMemoryKeyFile=confSHARED_MEMORY_KEY_FILE') 402 403# timeouts (many of these) 404_OPTION(Timeout.initial, `confTO_INITIAL', `5m') 405_OPTION(Timeout.connect, `confTO_CONNECT', `5m') 406_OPTION(Timeout.aconnect, `confTO_ACONNECT', `0s') 407_OPTION(Timeout.iconnect, `confTO_ICONNECT', `5m') 408_OPTION(Timeout.helo, `confTO_HELO', `5m') 409_OPTION(Timeout.mail, `confTO_MAIL', `10m') 410_OPTION(Timeout.rcpt, `confTO_RCPT', `1h') 411_OPTION(Timeout.datainit, `confTO_DATAINIT', `5m') 412_OPTION(Timeout.datablock, `confTO_DATABLOCK', `1h') 413_OPTION(Timeout.datafinal, `confTO_DATAFINAL', `1h') 414_OPTION(Timeout.rset, `confTO_RSET', `5m') 415_OPTION(Timeout.quit, `confTO_QUIT', `2m') 416_OPTION(Timeout.misc, `confTO_MISC', `2m') 417_OPTION(Timeout.command, `confTO_COMMAND', `1h') 418_OPTION(Timeout.ident, `confTO_IDENT', `5s') 419_OPTION(Timeout.fileopen, `confTO_FILEOPEN', `60s') 420_OPTION(Timeout.control, `confTO_CONTROL', `2m') 421_OPTION(Timeout.queuereturn, `confTO_QUEUERETURN', `5d') 422_OPTION(Timeout.queuereturn.normal, `confTO_QUEUERETURN_NORMAL', `5d') 423_OPTION(Timeout.queuereturn.urgent, `confTO_QUEUERETURN_URGENT', `2d') 424_OPTION(Timeout.queuereturn.non-urgent, `confTO_QUEUERETURN_NONURGENT', `7d') 425_OPTION(Timeout.queuewarn, `confTO_QUEUEWARN', `4h') 426_OPTION(Timeout.queuewarn.normal, `confTO_QUEUEWARN_NORMAL', `4h') 427_OPTION(Timeout.queuewarn.urgent, `confTO_QUEUEWARN_URGENT', `1h') 428_OPTION(Timeout.queuewarn.non-urgent, `confTO_QUEUEWARN_NONURGENT', `12h') 429_OPTION(Timeout.hoststatus, `confTO_HOSTSTATUS', `30m') 430_OPTION(Timeout.resolver.retrans, `confTO_RESOLVER_RETRANS', `5s') 431_OPTION(Timeout.resolver.retrans.first, `confTO_RESOLVER_RETRANS_FIRST', `5s') 432_OPTION(Timeout.resolver.retrans.normal, `confTO_RESOLVER_RETRANS_NORMAL', `5s') 433_OPTION(Timeout.resolver.retry, `confTO_RESOLVER_RETRY', `4') 434_OPTION(Timeout.resolver.retry.first, `confTO_RESOLVER_RETRY_FIRST', `4') 435_OPTION(Timeout.resolver.retry.normal, `confTO_RESOLVER_RETRY_NORMAL', `4') 436_OPTION(Timeout.lhlo, `confTO_LHLO', `2m') 437_OPTION(Timeout.auth, `confTO_AUTH', `10m') 438_OPTION(Timeout.starttls, `confTO_STARTTLS', `1h') 439 440# time for DeliverBy; extension disabled if less than 0 441_OPTION(DeliverByMin, `confDELIVER_BY_MIN', `0') 442 443# should we not prune routes in route-addr syntax addresses? 444_OPTION(DontPruneRoutes, `confDONT_PRUNE_ROUTES', `False') 445 446# queue up everything before forking? 447_OPTION(SuperSafe, `confSAFE_QUEUE', `True') 448 449# status file 450O StatusFile=ifdef(`STATUS_FILE', `STATUS_FILE', `MAIL_SETTINGS_DIR`'statistics') 451 452# time zone handling: 453# if undefined, use system default 454# if defined but null, use TZ envariable passed in 455# if defined and non-null, use that info 456ifelse(confTIME_ZONE, `USE_SYSTEM', `#O TimeZoneSpec=', 457 confTIME_ZONE, `USE_TZ', `O TimeZoneSpec=', 458 `O TimeZoneSpec=confTIME_ZONE') 459 460# default UID (can be username or userid:groupid) 461_OPTION(DefaultUser, `confDEF_USER_ID', `mailnull') 462 463# list of locations of user database file (null means no lookup) 464_OPTION(UserDatabaseSpec, `confUSERDB_SPEC', `MAIL_SETTINGS_DIR`'userdb') 465 466# fallback MX host 467_OPTION(FallbackMXhost, `confFALLBACK_MX', `fall.back.host.net') 468 469# if we are the best MX host for a site, try it directly instead of config err 470_OPTION(TryNullMXList, `confTRY_NULL_MX_LIST', `False') 471 472# load average at which we just queue messages 473_OPTION(QueueLA, `confQUEUE_LA', `8') 474 475# load average at which we refuse connections 476_OPTION(RefuseLA, `confREFUSE_LA', `12') 477 478# load average at which we delay connections; 0 means no limit 479_OPTION(DelayLA, `confDELAY_LA', `0') 480 481# maximum number of children we allow at one time 482_OPTION(MaxDaemonChildren, `confMAX_DAEMON_CHILDREN', `12') 483 484# maximum number of new connections per second 485_OPTION(ConnectionRateThrottle, `confCONNECTION_RATE_THROTTLE', `0') 486 487# work recipient factor 488_OPTION(RecipientFactor, `confWORK_RECIPIENT_FACTOR', `30000') 489 490# deliver each queued job in a separate process? 491_OPTION(ForkEachJob, `confSEPARATE_PROC', `False') 492 493# work class factor 494_OPTION(ClassFactor, `confWORK_CLASS_FACTOR', `1800') 495 496# work time factor 497_OPTION(RetryFactor, `confWORK_TIME_FACTOR', `90000') 498 499# default character set 500_OPTION(DefaultCharSet, `confDEF_CHAR_SET', `iso-8859-1') 501 502# service switch file (name hardwired on Solaris, Ultrix, OSF/1, others) 503_OPTION(ServiceSwitchFile, `confSERVICE_SWITCH_FILE', `MAIL_SETTINGS_DIR`'service.switch') 504 505# hosts file (normally /etc/hosts) 506_OPTION(HostsFile, `confHOSTS_FILE', `/etc/hosts') 507 508# dialup line delay on connection failure 509_OPTION(DialDelay, `confDIAL_DELAY', `10s') 510 511# action to take if there are no recipients in the message 512_OPTION(NoRecipientAction, `confNO_RCPT_ACTION', `add-to-undisclosed') 513 514# chrooted environment for writing to files 515_OPTION(SafeFileEnvironment, `confSAFE_FILE_ENV', `/arch') 516 517# are colons OK in addresses? 518_OPTION(ColonOkInAddr, `confCOLON_OK_IN_ADDR', `True') 519 520# shall I avoid expanding CNAMEs (violates protocols)? 521_OPTION(DontExpandCnames, `confDONT_EXPAND_CNAMES', `False') 522 523# SMTP initial login message (old $e macro) 524_OPTION(SmtpGreetingMessage, `confSMTP_LOGIN_MSG', `$j Sendmail $v ready at $b') 525 526# UNIX initial From header format (old $l macro) 527_OPTION(UnixFromLine, `confFROM_LINE', `From $g $d') 528 529# From: lines that have embedded newlines are unwrapped onto one line 530_OPTION(SingleLineFromHeader, `confSINGLE_LINE_FROM_HEADER', `False') 531 532# Allow HELO SMTP command that does not `include' a host name 533_OPTION(AllowBogusHELO, `confALLOW_BOGUS_HELO', `False') 534 535# Characters to be quoted in a full name phrase (@,;:\()[] are automatic) 536_OPTION(MustQuoteChars, `confMUST_QUOTE_CHARS', `.') 537 538# delimiter (operator) characters (old $o macro) 539_OPTION(OperatorChars, `confOPERATORS', `.:@[]') 540 541# shall I avoid calling initgroups(3) because of high NIS costs? 542_OPTION(DontInitGroups, `confDONT_INIT_GROUPS', `False') 543 544# are group-writable `:include:' and .forward files (un)trustworthy? 545# True (the default) means they are not trustworthy. 546_OPTION(UnsafeGroupWrites, `confUNSAFE_GROUP_WRITES', `True') 547ifdef(`confUNSAFE_GROUP_WRITES', 548`errprint(`WARNING: confUNSAFE_GROUP_WRITES is deprecated; use confDONT_BLAME_SENDMAIL. 549')') 550 551# where do errors that occur when sending errors get sent? 552_OPTION(DoubleBounceAddress, `confDOUBLE_BOUNCE_ADDRESS', `postmaster') 553 554# where to save bounces if all else fails 555_OPTION(DeadLetterDrop, `confDEAD_LETTER_DROP', `/var/tmp/dead.letter') 556 557# what user id do we assume for the majority of the processing? 558_OPTION(RunAsUser, `confRUN_AS_USER', `sendmail') 559 560# maximum number of recipients per SMTP envelope 561_OPTION(MaxRecipientsPerMessage, `confMAX_RCPTS_PER_MESSAGE', `100') 562 563# limit the rate recipients per SMTP envelope are accepted 564# once the threshold number of recipients have been rejected 565_OPTION(BadRcptThrottle, `confBAD_RCPT_THROTTLE', `20') 566 567# shall we get local names from our installed interfaces? 568_OPTION(DontProbeInterfaces, `confDONT_PROBE_INTERFACES', `False') 569 570# Return-Receipt-To: header implies DSN request 571_OPTION(RrtImpliesDsn, `confRRT_IMPLIES_DSN', `False') 572 573# override connection address (for testing) 574_OPTION(ConnectOnlyTo, `confCONNECT_ONLY_TO', `0.0.0.0') 575 576# Trusted user for file ownership and starting the daemon 577_OPTION(TrustedUser, `confTRUSTED_USER', `root') 578 579# Control socket for daemon management 580_OPTION(ControlSocketName, `confCONTROL_SOCKET_NAME', `/var/spool/mqueue/.control') 581 582# Maximum MIME header length to protect MUAs 583_OPTION(MaxMimeHeaderLength, `confMAX_MIME_HEADER_LENGTH', `0/0') 584 585# Maximum length of the sum of all headers 586_OPTION(MaxHeadersLength, `confMAX_HEADERS_LENGTH', `32768') 587 588# Maximum depth of alias recursion 589_OPTION(MaxAliasRecursion, `confMAX_ALIAS_RECURSION', `10') 590 591# location of pid file 592_OPTION(PidFile, `confPID_FILE', `/var/run/sendmail.pid') 593 594# Prefix string for the process title shown on 'ps' listings 595_OPTION(ProcessTitlePrefix, `confPROCESS_TITLE_PREFIX', `prefix') 596 597# Data file (df) memory-buffer file maximum size 598_OPTION(DataFileBufferSize, `confDF_BUFFER_SIZE', `4096') 599 600# Transcript file (xf) memory-buffer file maximum size 601_OPTION(XscriptFileBufferSize, `confXF_BUFFER_SIZE', `4096') 602 603# lookup type to find information about local mailboxes 604_OPTION(MailboxDatabase, `confMAILBOX_DATABASE', `pw') 605 606# list of authentication mechanisms 607_OPTION(AuthMechanisms, `confAUTH_MECHANISMS', `EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5') 608 609# default authentication information for outgoing connections 610_OPTION(DefaultAuthInfo, `confDEF_AUTH_INFO', `MAIL_SETTINGS_DIR`'default-auth-info') 611 612# SMTP AUTH flags 613_OPTION(AuthOptions, `confAUTH_OPTIONS', `') 614 615# SMTP AUTH maximum encryption strength 616_OPTION(AuthMaxBits, `confAUTH_MAX_BITS', `') 617 618# SMTP STARTTLS server options 619_OPTION(TLSSrvOptions, `confTLS_SRV_OPTIONS', `') 620 621# Input mail filters 622_OPTION(InputMailFilters, `confINPUT_MAIL_FILTERS', `') 623 624ifdef(`confINPUT_MAIL_FILTERS', `dnl 625# Milter options 626_OPTION(Milter.LogLevel, `confMILTER_LOG_LEVEL', `') 627_OPTION(Milter.macros.connect, `confMILTER_MACROS_CONNECT', `') 628_OPTION(Milter.macros.helo, `confMILTER_MACROS_HELO', `') 629_OPTION(Milter.macros.envfrom, `confMILTER_MACROS_ENVFROM', `') 630_OPTION(Milter.macros.envrcpt, `confMILTER_MACROS_ENVRCPT', `')') 631 632# CA directory 633_OPTION(CACERTPath, `confCACERT_PATH', `') 634# CA file 635_OPTION(CACERTFile, `confCACERT', `') 636# Server Cert 637_OPTION(ServerCertFile, `confSERVER_CERT', `') 638# Server private key 639_OPTION(ServerKeyFile, `confSERVER_KEY', `') 640# Client Cert 641_OPTION(ClientCertFile, `confCLIENT_CERT', `') 642# Client private key 643_OPTION(ClientKeyFile, `confCLIENT_KEY', `') 644# DHParameters (only required if DSA/DH is used) 645_OPTION(DHParameters, `confDH_PARAMETERS', `') 646# Random data source (required for systems without /dev/urandom under OpenSSL) 647_OPTION(RandFile, `confRAND_FILE', `') 648 649############################ 650`# QUEUE GROUP DEFINITIONS #' 651############################ 652_QUEUE_GROUP_ 653 654########################### 655# Message precedences # 656########################### 657 658Pfirst-class=0 659Pspecial-delivery=100 660Plist=-30 661Pbulk=-60 662Pjunk=-100 663 664##################### 665# Trusted users # 666##################### 667 668# this is equivalent to setting class "t" 669ifdef(`_USE_CT_FILE_', `', `#')Ft`'ifdef(`confCT_FILE', confCT_FILE, `MAIL_SETTINGS_DIR`'trusted-users') 670Troot 671Tdaemon 672ifdef(`_NO_UUCP_', `dnl', `Tuucp') 673ifdef(`confTRUSTED_USERS', `T`'confTRUSTED_USERS', `dnl') 674 675######################### 676# Format of headers # 677######################### 678 679ifdef(`confFROM_HEADER',, `define(`confFROM_HEADER', `$?x$x <$g>$|$g$.')')dnl 680H?P?Return-Path: <$g> 681HReceived: confRECEIVED_HEADER 682H?D?Resent-Date: $a 683H?D?Date: $a 684H?F?Resent-From: confFROM_HEADER 685H?F?From: confFROM_HEADER 686H?x?Full-Name: $x 687# HPosted-Date: $a 688# H?l?Received-Date: $b 689H?M?Resent-Message-Id: <$t.$i@$j> 690H?M?Message-Id: <$t.$i@$j> 691 692# 693###################################################################### 694###################################################################### 695##### 696##### REWRITING RULES 697##### 698###################################################################### 699###################################################################### 700 701############################################ 702### Ruleset 3 -- Name Canonicalization ### 703############################################ 704Scanonify=3 705 706# handle null input (translate to <@> special case) 707R$@ $@ <@> 708 709# strip group: syntax (not inside angle brackets!) and trailing semicolon 710R$* $: $1 <@> mark addresses 711R$* < $* > $* <@> $: $1 < $2 > $3 unmark <addr> 712R@ $* <@> $: @ $1 unmark @host:... 713R$* [ IPv6 : $+ ] <@> $: $1 [ IPv6 : $2 ] unmark IPv6 addr 714R$* :: $* <@> $: $1 :: $2 unmark node::addr 715R:`include': $* <@> $: :`include': $1 unmark :`include':... 716R$* : $* [ $* ] $: $1 : $2 [ $3 ] <@> remark if leading colon 717R$* : $* <@> $: $2 strip colon if marked 718R$* <@> $: $1 unmark 719R$* ; $1 strip trailing semi 720R$* < $+ :; > $* $@ $2 :; <@> catch <list:;> 721R$* < $* ; > $1 < $2 > bogus bracketed semi 722 723# null input now results from list:; syntax 724R$@ $@ :; <@> 725 726# strip angle brackets -- note RFC733 heuristic to get innermost item 727R$* $: < $1 > housekeeping <> 728R$+ < $* > < $2 > strip excess on left 729R< $* > $+ < $1 > strip excess on right 730R<> $@ < @ > MAIL FROM:<> case 731R< $+ > $: $1 remove housekeeping <> 732 733ifdef(`_USE_DEPRECATED_ROUTE_ADDR_',`dnl 734# make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later 735R@ $+ , $+ @ $1 : $2 change all "," to ":" 736 737# localize and dispose of route-based addresses 738dnl XXX: IPv6 colon conflict 739ifdef(`NO_NETINET6', `dnl', 740`R@ [$+] : $+ $@ $>Canonify2 < @ [$1] > : $2 handle <route-addr>') 741R@ $+ : $+ $@ $>Canonify2 < @$1 > : $2 handle <route-addr> 742dnl',`dnl 743# strip route address <@a,@b,@c:user@d> -> <user@d> 744R@ $+ , $+ $2 745ifdef(`NO_NETINET6', `dnl', 746`R@ [ $* ] : $+ $2') 747R@ $+ : $+ $2 748dnl') 749 750# find focus for list syntax 751R $+ : $* ; @ $+ $@ $>Canonify2 $1 : $2 ; < @ $3 > list syntax 752R $+ : $* ; $@ $1 : $2; list syntax 753 754# find focus for @ syntax addresses 755R$+ @ $+ $: $1 < @ $2 > focus on domain 756R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right 757R$+ < @ $+ > $@ $>Canonify2 $1 < @ $2 > already canonical 758 759dnl This is flagged as an error in S0; no need to silently fix it here. 760dnl # do some sanity checking 761dnl R$* < @ $~[ $* : $* > $* $1 < @ $2 $3 > $4 nix colons in addrs 762 763ifdef(`_NO_UUCP_', `dnl', 764`# convert old-style addresses to a domain-based address 765R$- ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > resolve uucp names 766R$+ . $- ! $+ $@ $>Canonify2 $3 < @ $1 . $2 > domain uucps 767R$+ ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > uucp subdomains 768') 769ifdef(`_USE_DECNET_SYNTAX_', 770`# convert node::user addresses into a domain-based address 771R$- :: $+ $@ $>Canonify2 $2 < @ $1 .DECNET > resolve DECnet names 772R$- . $- :: $+ $@ $>Canonify2 $3 < @ $1.$2 .DECNET > numeric DECnet addr 773', 774 `dnl') 775# if we have % signs, take the rightmost one 776R$* % $* $1 @ $2 First make them all @s. 777R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last. 778R$* @ $* $@ $>Canonify2 $1 < @ $2 > Insert < > and finish 779 780# else we must be a local name 781R$* $@ $>Canonify2 $1 782 783 784################################################ 785### Ruleset 96 -- bottom half of ruleset 3 ### 786################################################ 787 788SCanonify2=96 789 790# handle special cases for local names 791R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all 792R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain 793ifdef(`_NO_UUCP_', `dnl', 794`R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain') 795 796# check for IPv4/IPv6 domain literal 797R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [addr] 798R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal 799R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr 800 801ifdef(`_DOMAIN_TABLE_', `dnl 802# look up domains in the domain table 803R$* < @ $+ > $* $: $1 < @ $(domaintable $2 $) > $3', `dnl') 804 805undivert(2)dnl LOCAL_RULE_3 806 807ifdef(`_BITDOMAIN_TABLE_', `dnl 808# handle BITNET mapping 809R$* < @ $+ .BITNET > $* $: $1 < @ $(bitdomain $2 $: $2.BITNET $) > $3', `dnl') 810 811ifdef(`_UUDOMAIN_TABLE_', `dnl 812# handle UUCP mapping 813R$* < @ $+ .UUCP > $* $: $1 < @ $(uudomain $2 $: $2.UUCP $) > $3', `dnl') 814 815ifdef(`_NO_UUCP_', `dnl', 816`ifdef(`UUCP_RELAY', 817`# pass UUCP addresses straight through 818R$* < @ $+ . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', 819`# if really UUCP, handle it immediately 820ifdef(`_CLASS_U_', 821`R$* < @ $=U . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 822ifdef(`_CLASS_V_', 823`R$* < @ $=V . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 824ifdef(`_CLASS_W_', 825`R$* < @ $=W . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 826ifdef(`_CLASS_X_', 827`R$* < @ $=X . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 828ifdef(`_CLASS_Y_', 829`R$* < @ $=Y . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl') 830 831ifdef(`_NO_CANONIFY_', `dnl', `dnl 832# try UUCP traffic as a local address 833R$* < @ $+ . UUCP > $* $: $1 < @ $[ $2 $] . UUCP . > $3 834R$* < @ $+ . . UUCP . > $* $@ $1 < @ $2 . > $3') 835')') 836# hostnames ending in class P are always canonical 837R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4 838dnl apply the next rule only for hostnames not in class P 839dnl this even works for phrases in class P since . is in class P 840dnl which daemon flags are set? 841R$* < @ $* $~P > $* $: $&{daemon_flags} $| $1 < @ $2 $3 > $4 842dnl the other rules in this section only apply if the hostname 843dnl does not end in class P hence no further checks are done here 844dnl if this ever changes make sure the lookups are "protected" again! 845ifdef(`_NO_CANONIFY_', `dnl 846dnl do not canonify unless: 847dnl domain ends in class {Canonify} (this does not work if the intersection 848dnl with class P is non-empty) 849dnl or {daemon_flags} has c set 850# pass to name server to make hostname canonical if in class {Canonify} 851R$* $| $* < @ $* $={Canonify} > $* $: $2 < @ $[ $3 $4 $] > $5 852# pass to name server to make hostname canonical if requested 853R$* c $* $| $* < @ $* > $* $: $3 < @ $[ $4 $] > $5 854dnl trailing dot? -> do not apply _CANONIFY_HOSTS_ 855R$* $| $* < @ $+ . > $* $: $2 < @ $3 . > $4 856# add a trailing dot to qualified hostnames so other rules will work 857R$* $| $* < @ $+.$+ > $* $: $2 < @ $3.$4 . > $5 858ifdef(`_CANONIFY_HOSTS_', `dnl 859dnl this should only apply to unqualified hostnames 860dnl but if a valid character inside an unqualified hostname is an OperatorChar 861dnl then $- does not work. 862# lookup unqualified hostnames 863R$* $| $* < @ $* > $* $: $2 < @ $[ $3 $] > $4', `dnl')', `dnl 864dnl _NO_CANONIFY_ is not set: canonify unless: 865dnl {daemon_flags} contains CC (do not canonify) 866dnl but add a trailing dot to qualified hostnames so other rules will work 867dnl should we do this for every hostname: even unqualified? 868R$* CC $* $| $* < @ $+.$+ > $* $: $3 < @ $4.$5 . > $6 869R$* CC $* $| $* $: $3 870ifdef(`_FFR_NOCANONIFY_HEADERS', `dnl 871# do not canonify header addresses 872R$* $| $* < @ $* $~P > $* $: $&{addr_type} $| $2 < @ $3 $4 > $5 873R$* h $* $| $* < @ $+.$+ > $* $: $3 < @ $4.$5 . > $6 874R$* h $* $| $* $: $3', `dnl') 875# pass to name server to make hostname canonical 876R$* $| $* < @ $* > $* $: $2 < @ $[ $3 $] > $4') 877dnl remove {daemon_flags} for other cases 878R$* $| $* $: $2 879 880# local host aliases and pseudo-domains are always canonical 881R$* < @ $=w > $* $: $1 < @ $2 . > $3 882ifdef(`_MASQUERADE_ENTIRE_DOMAIN_', 883`R$* < @ $* $=M > $* $: $1 < @ $2 $3 . > $4', 884`R$* < @ $=M > $* $: $1 < @ $2 . > $3') 885ifdef(`_VIRTUSER_TABLE_', `dnl 886dnl virtual hosts are also canonical 887ifdef(`_VIRTUSER_ENTIRE_DOMAIN_', 888`R$* < @ $* $={VirtHost} > $* $: $1 < @ $2 $3 . > $4', 889`R$* < @ $={VirtHost} > $* $: $1 < @ $2 . > $3')', 890`dnl') 891ifdef(`_GENERICS_TABLE_', `dnl 892dnl hosts for genericstable are also canonical 893ifdef(`_GENERICS_ENTIRE_DOMAIN_', 894`R$* < @ $* $=G > $* $: $1 < @ $2 $3 . > $4', 895`R$* < @ $=G > $* $: $1 < @ $2 . > $3')', 896`dnl') 897dnl remove superfluous dots (maybe repeatedly) which may have been added 898dnl by one of the rules before 899R$* < @ $* . . > $* $1 < @ $2 . > $3 900 901 902################################################## 903### Ruleset 4 -- Final Output Post-rewriting ### 904################################################## 905Sfinal=4 906 907R$+ :; <@> $@ $1 : handle <list:;> 908R$* <@> $@ handle <> and list:; 909 910# strip trailing dot off possibly canonical name 911R$* < @ $+ . > $* $1 < @ $2 > $3 912 913# eliminate internal code 914R$* < @ *LOCAL* > $* $1 < @ $j > $2 915 916# externalize local domain info 917R$* < $+ > $* $1 $2 $3 defocus 918R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 <route-addr> canonical 919R@ $* $@ @ $1 ... and exit 920 921ifdef(`_NO_UUCP_', `dnl', 922`# UUCP must always be presented in old form 923R$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u') 924 925ifdef(`_USE_DECNET_SYNTAX_', 926`# put DECnet back in :: form 927R$+ @ $+ . DECNET $2 :: $1 u@h.DECNET => h::u', 928 `dnl') 929# delete duplicate local names 930R$+ % $=w @ $=w $1 @ $2 u%host@host => u@host 931 932 933 934############################################################## 935### Ruleset 97 -- recanonicalize and call ruleset zero ### 936### (used for recursive calls) ### 937############################################################## 938 939SRecurse=97 940R$* $: $>canonify $1 941R$* $@ $>parse $1 942 943 944###################################### 945### Ruleset 0 -- Parse Address ### 946###################################### 947 948Sparse=0 949 950R$* $: $>Parse0 $1 initial parsing 951R<@> $#_LOCAL_ $: <@> special case error msgs 952R$* $: $>ParseLocal $1 handle local hacks 953R$* $: $>Parse1 $1 final parsing 954 955# 956# Parse0 -- do initial syntax checking and eliminate local addresses. 957# This should either return with the (possibly modified) input 958# or return with a #error mailer. It should not return with a 959# #mailer other than the #error mailer. 960# 961 962SParse0 963R<@> $@ <@> special case error msgs 964R$* : $* ; <@> $#error $@ 5.1.3 $: "_CODE553 List:; syntax illegal for recipient addresses" 965R@ <@ $* > < @ $1 > catch "@@host" bogosity 966R<@ $+> $#error $@ 5.1.3 $: "_CODE553 User address required" 967R$+ <@> $#error $@ 5.1.3 $: "_CODE553 Hostname required" 968R$* $: <> $1 969dnl allow tricks like [host1]:[host2] 970R<> $* < @ [ $* ] : $+ > $* $1 < @ [ $2 ] : $3 > $4 971R<> $* < @ [ $* ] , $+ > $* $1 < @ [ $2 ] , $3 > $4 972dnl but no a@[b]c 973R<> $* < @ [ $* ] $+ > $* $#error $@ 5.1.2 $: "_CODE553 Invalid address" 974R<> $* < @ [ $+ ] > $* $1 < @ [ $2 ] > $3 975R<> $* <$* : $* > $* $#error $@ 5.1.3 $: "_CODE553 Colon illegal in host name part" 976R<> $* $1 977R$* < @ . $* > $* $#error $@ 5.1.2 $: "_CODE553 Invalid host name" 978R$* < @ $* .. $* > $* $#error $@ 5.1.2 $: "_CODE553 Invalid host name" 979dnl no a@b@ 980R$* < @ $* @ > $* $#error $@ 5.1.2 $: "_CODE553 Invalid route address" 981dnl no a@b@c 982R$* @ $* < @ $* > $* $#error $@ 5.1.3 $: "_CODE553 Invalid route address" 983dnl comma only allowed before @; this check is not complete 984R$* , $~O $* $#error $@ 5.1.3 $: "_CODE553 Invalid route address" 985 986ifdef(`_STRICT_RFC821_', `# more RFC 821 checks 987R$* . < @ $* > $* $#error $@ 5.1.2 $: "_CODE553 Local part must not end with a dot" 988R. $* < @ $* > $* $#error $@ 5.1.2 $: "_CODE553 Local part must not begin with a dot" 989dnl', `dnl') 990 991# now delete the local info -- note $=O to find characters that cause forwarding 992R$* < @ > $* $@ $>Parse0 $>canonify $1 user@ => user 993R< @ $=w . > : $* $@ $>Parse0 $>canonify $2 @here:... -> ... 994R$- < @ $=w . > $: $(dequote $1 $) < @ $2 . > dequote "foo"@here 995R< @ $+ > $#error $@ 5.1.3 $: "_CODE553 User address required" 996R$* $=O $* < @ $=w . > $@ $>Parse0 $>canonify $1 $2 $3 ...@here -> ... 997R$- $: $(dequote $1 $) < @ *LOCAL* > dequote "foo" 998R< @ *LOCAL* > $#error $@ 5.1.3 $: "_CODE553 User address required" 999R$* $=O $* < @ *LOCAL* > 1000 $@ $>Parse0 $>canonify $1 $2 $3 ...@*LOCAL* -> ... 1001R$* < @ *LOCAL* > $: $1 1002 1003# 1004# Parse1 -- the bottom half of ruleset 0. 1005# 1006 1007SParse1 1008ifdef(`_LDAP_ROUTING_', `dnl 1009# handle LDAP routing for hosts in $={LDAPRoute} 1010R$+ < @ $={LDAPRoute} . > $: $>LDAPExpand <$1 < @ $2 . >> <$1 @ $2> <> 1011R$+ < @ $={LDAPRouteEquiv} . > $: $>LDAPExpand <$1 < @ $2 . >> <$1 @ $M> <>', 1012`dnl') 1013 1014ifdef(`_MAILER_smtp_', 1015`# handle numeric address spec 1016dnl there is no check whether this is really an IP number 1017R$* < @ [ $+ ] > $* $: $>ParseLocal $1 < @ [ $2 ] > $3 numeric internet spec 1018R$* < @ [ $+ ] > $* $1 < @ [ $2 ] : $S > $3 Add smart host to path 1019R$* < @ [ $+ ] : > $* $#_SMTP_ $@ [$2] $: $1 < @ [$2] > $3 no smarthost: send 1020R$* < @ [ $+ ] : $- : $*> $* $#$3 $@ $4 $: $1 < @ [$2] > $5 smarthost with mailer 1021R$* < @ [ $+ ] : $+ > $* $#_SMTP_ $@ $3 $: $1 < @ [$2] > $4 smarthost without mailer', 1022 `dnl') 1023 1024ifdef(`_VIRTUSER_TABLE_', `dnl 1025# handle virtual users 1026ifdef(`_VIRTUSER_STOP_ONE_LEVEL_RECURSION_',`dnl 1027dnl this is not a documented option 1028dnl it stops looping in virtusertable mapping if input and output 1029dnl are identical, i.e., if address A is mapped to A. 1030dnl it does not deal with multi-level recursion 1031# handle full domains in RHS of virtusertable 1032R$+ < @ $+ > $: $(macro {RecipientAddress} $) $1 < @ $2 > 1033R$+ < @ $+ > $: <?> $1 < @ $2 > $| $>final $1 < @ $2 > 1034R<?> $+ $| $+ $: $1 $(macro {RecipientAddress} $@ $2 $) 1035R<?> $+ $| $* $: $1', 1036`dnl') 1037R$+ $: <!> $1 Mark for lookup 1038dnl input: <!> local<@domain> 1039ifdef(`_VIRTUSER_ENTIRE_DOMAIN_', 1040`R<!> $+ < @ $* $={VirtHost} . > $: < $(virtuser $1 @ $2 $3 $@ $1 $: @ $) > $1 < @ $2 $3 . >', 1041`R<!> $+ < @ $={VirtHost} . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . >') 1042dnl input: <result-of-lookup | @> local<@domain> | <!> local<@domain> 1043R<!> $+ < @ $=w . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . > 1044dnl if <@> local<@domain>: no match but try lookup 1045dnl user+detail: try user++@domain if detail not empty 1046R<@> $+ + $+ < @ $* . > 1047 $: < $(virtuser $1 + + @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 1048dnl user+detail: try user+*@domain 1049R<@> $+ + $* < @ $* . > 1050 $: < $(virtuser $1 + * @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 1051dnl user+detail: try user@domain 1052R<@> $+ + $* < @ $* . > 1053 $: < $(virtuser $1 @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 1054dnl try default entry: @domain 1055dnl ++@domain 1056R<@> $+ + $+ < @ $+ . > $: < $(virtuser + + @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 1057dnl +*@domain 1058R<@> $+ + $* < @ $+ . > $: < $(virtuser + * @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 1059dnl @domain if +detail exists 1060R<@> $+ + $* < @ $+ . > $: < $(virtuser @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . > 1061dnl without +detail (or no match) 1062R<@> $+ < @ $+ . > $: < $(virtuser @ $2 $@ $1 $: @ $) > $1 < @ $2 . > 1063dnl no match 1064R<@> $+ $: $1 1065dnl remove mark 1066R<!> $+ $: $1 1067R< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4 1068R< error : $- $+ > $* $#error $@ $(dequote $1 $) $: $2 1069ifdef(`_VIRTUSER_STOP_ONE_LEVEL_RECURSION_',`dnl 1070# check virtuser input address against output address, if same, skip recursion 1071R< $+ > $+ < @ $+ > $: < $1 > $2 < @ $3 > $| $1 1072# it is the same: stop now 1073R< $+ > $+ < @ $+ > $| $&{RecipientAddress} $: $>ParseLocal $>Parse0 $>canonify $1 1074R< $+ > $+ < @ $+ > $| $* $: < $1 > $2 < @ $3 > 1075dnl', `dnl') 1076dnl this is not a documented option 1077dnl it performs no looping at all for virtusertable 1078ifdef(`_NO_VIRTUSER_RECURSION_', 1079`R< $+ > $+ < @ $+ > $: $>ParseLocal $>Parse0 $>canonify $1', 1080`R< $+ > $+ < @ $+ > $: $>Recurse $1') 1081dnl', `dnl') 1082 1083# short circuit local delivery so forwarded email works 1084ifdef(`_MAILER_usenet_', `dnl 1085R$+ . USENET < @ $=w . > $#usenet $@ usenet $: $1 handle usenet specially', `dnl') 1086 1087 1088ifdef(`_STICKY_LOCAL_DOMAIN_', 1089`R$+ < @ $=w . > $: < $H > $1 < @ $2 . > first try hub 1090R< $+ > $+ < $+ > $>MailerToTriple < $1 > $2 < $3 > yep .... 1091dnl $H empty (but @$=w.) 1092R< > $+ + $* < $+ > $#_LOCAL_ $: $1 + $2 plussed name? 1093R< > $+ < $+ > $#_LOCAL_ $: @ $1 nope, local address', 1094`R$=L < @ $=w . > $#_LOCAL_ $: @ $1 special local names 1095R$+ < @ $=w . > $#_LOCAL_ $: $1 regular local name') 1096 1097ifdef(`_MAILER_TABLE_', `dnl 1098# not local -- try mailer table lookup 1099R$* <@ $+ > $* $: < $2 > $1 < @ $2 > $3 extract host name 1100R< $+ . > $* $: < $1 > $2 strip trailing dot 1101R< $+ > $* $: < $(mailertable $1 $) > $2 lookup 1102dnl it is $~[ instead of $- to avoid matches on IPv6 addresses 1103R< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 check -- resolved? 1104R< $+ > $* $: $>Mailertable <$1> $2 try domain', 1105`dnl') 1106undivert(4)dnl UUCP rules from `MAILER(uucp)' 1107 1108ifdef(`_NO_UUCP_', `dnl', 1109`# resolve remotely connected UUCP links (if any) 1110ifdef(`_CLASS_V_', 1111`R$* < @ $=V . UUCP . > $* $: $>MailerToTriple < $V > $1 <@$2.UUCP.> $3', 1112 `dnl') 1113ifdef(`_CLASS_W_', 1114`R$* < @ $=W . UUCP . > $* $: $>MailerToTriple < $W > $1 <@$2.UUCP.> $3', 1115 `dnl') 1116ifdef(`_CLASS_X_', 1117`R$* < @ $=X . UUCP . > $* $: $>MailerToTriple < $X > $1 <@$2.UUCP.> $3', 1118 `dnl')') 1119 1120# resolve fake top level domains by forwarding to other hosts 1121ifdef(`BITNET_RELAY', 1122`R$*<@$+.BITNET.>$* $: $>MailerToTriple < $B > $1 <@$2.BITNET.> $3 user@host.BITNET', 1123 `dnl') 1124ifdef(`DECNET_RELAY', 1125`R$*<@$+.DECNET.>$* $: $>MailerToTriple < $C > $1 <@$2.DECNET.> $3 user@host.DECNET', 1126 `dnl') 1127ifdef(`_MAILER_pop_', 1128`R$+ < @ POP. > $#pop $: $1 user@POP', 1129 `dnl') 1130ifdef(`_MAILER_fax_', 1131`R$+ < @ $+ .FAX. > $#fax $@ $2 $: $1 user@host.FAX', 1132`ifdef(`FAX_RELAY', 1133`R$*<@$+.FAX.>$* $: $>MailerToTriple < $F > $1 <@$2.FAX.> $3 user@host.FAX', 1134 `dnl')') 1135 1136ifdef(`UUCP_RELAY', 1137`# forward non-local UUCP traffic to our UUCP relay 1138R$*<@$*.UUCP.>$* $: $>MailerToTriple < $Y > $1 <@$2.UUCP.> $3 uucp mail', 1139`ifdef(`_MAILER_uucp_', 1140`# forward other UUCP traffic straight to UUCP 1141R$* < @ $+ .UUCP. > $* $#_UUCP_ $@ $2 $: $1 < @ $2 .UUCP. > $3 user@host.UUCP', 1142 `dnl')') 1143ifdef(`_MAILER_usenet_', ` 1144# addresses sent to net.group.USENET will get forwarded to a newsgroup 1145R$+ . USENET $#usenet $@ usenet $: $1', 1146 `dnl') 1147 1148ifdef(`_LOCAL_RULES_', 1149`# figure out what should stay in our local mail system 1150undivert(1)', `dnl') 1151 1152# pass names that still have a host to a smarthost (if defined) 1153R$* < @ $* > $* $: $>MailerToTriple < $S > $1 < @ $2 > $3 glue on smarthost name 1154 1155# deal with other remote names 1156ifdef(`_MAILER_smtp_', 1157`R$* < @$* > $* $#_SMTP_ $@ $2 $: $1 < @ $2 > $3 user@host.domain', 1158`R$* < @$* > $* $#error $@ 5.1.2 $: "_CODE553 Unrecognized host name " $2') 1159 1160# handle locally delivered names 1161R$=L $#_LOCAL_ $: @ $1 special local names 1162R$+ $#_LOCAL_ $: $1 regular local names 1163 1164########################################################################### 1165### Ruleset 5 -- special rewriting after aliases have been expanded ### 1166########################################################################### 1167 1168SLocal_localaddr 1169Slocaladdr=5 1170R$+ $: $1 $| $>"Local_localaddr" $1 1171R$+ $| $#ok $@ $1 no change 1172R$+ $| $#$* $#$2 1173R$+ $| $* $: $1 1174 1175ifdef(`_PRESERVE_LUSER_HOST_', `dnl 1176# Preserve rcpt_host in {Host} 1177R$+ $: $1 $| $&h $| $&{Host} check h and {Host} 1178R$+ $| $| $: $(macro {Host} $@ $) $1 no h or {Host} 1179R$+ $| $| $+ $: $1 h not set, {Host} set 1180R$+ $| +$* $| $* $: $1 h is +detail, {Host} set 1181R$+ $| $* @ $+ $| $* $: $(macro {Host} $@ @$3 $) $1 set {Host} to host in h 1182R$+ $| $+ $| $* $: $(macro {Host} $@ @$2 $) $1 set {Host} to h 1183')dnl 1184 1185ifdef(`_FFR_5_', `dnl 1186# Preserve host in a macro 1187R$+ $: $(macro {LocalAddrHost} $) $1 1188R$+ @ $+ $: $(macro {LocalAddrHost} $@ @ $2 $) $1') 1189 1190ifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `', `dnl 1191# deal with plussed users so aliases work nicely 1192R$+ + * $#_LOCAL_ $@ $&h $: $1`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') 1193R$+ + $* $#_LOCAL_ $@ + $2 $: $1 + *`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') 1194') 1195# prepend an empty "forward host" on the front 1196R$+ $: <> $1 1197 1198ifdef(`LUSER_RELAY', `dnl 1199# send unrecognized local users to a relay host 1200ifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `dnl 1201R< > $+ + $* $: < ? $L > <+ $2> $(user $1 $) look up user+ 1202R< > $+ $: < ? $L > < > $(user $1 $) look up user 1203R< ? $* > < $* > $+ <> $: < > $3 $2 found; strip $L 1204R< ? $* > < $* > $+ $: < $1 > $3 $2 not found', ` 1205R< > $+ $: < $L > $(user $1 $) look up user 1206R< $* > $+ <> $: < > $2 found; strip $L') 1207ifdef(`_PRESERVE_LUSER_HOST_', `dnl 1208R< $+ > $+ $: < $1 > $2 $&{Host}') 1209dnl') 1210 1211ifdef(`MAIL_HUB', `dnl 1212R< > $+ $: < $H > $1 try hub', `dnl') 1213ifdef(`LOCAL_RELAY', `dnl 1214R< > $+ $: < $R > $1 try relay', `dnl') 1215ifdef(`_PRESERVE_LOCAL_PLUS_DETAIL_', `dnl 1216R< > $+ $@ $1', `dnl 1217R< > $+ $: < > < $1 <> $&h > nope, restore +detail 1218ifdef(`_PRESERVE_LUSER_HOST_', `dnl 1219R< > < $+ @ $+ <> + $* > $: < > < $1 + $3 @ $2 > check whether +detail') 1220R< > < $+ <> + $* > $: < > < $1 + $2 > check whether +detail 1221R< > < $+ <> $* > $: < > < $1 > else discard 1222R< > < $+ + $* > $* < > < $1 > + $2 $3 find the user part 1223R< > < $+ > + $* $#_LOCAL_ $@ $2 $: @ $1`'ifdef(`_FFR_5_', ` $&{LocalAddrHost}') strip the extra + 1224R< > < $+ > $@ $1 no +detail 1225R$+ $: $1 <> $&h add +detail back in 1226ifdef(`_PRESERVE_LUSER_HOST_', `dnl 1227R$+ @ $+ <> + $* $: $1 + $3 @ $2 check whether +detail') 1228R$+ <> + $* $: $1 + $2 check whether +detail 1229R$+ <> $* $: $1 else discard') 1230R< local : $* > $* $: $>MailerToTriple < local : $1 > $2 no host extension 1231R< error : $* > $* $: $>MailerToTriple < error : $1 > $2 no host extension 1232ifdef(`_PRESERVE_LUSER_HOST_', `dnl 1233dnl it is $~[ instead of $- to avoid matches on IPv6 addresses 1234R< $~[ : $+ > $+ @ $+ $: $>MailerToTriple < $1 : $2 > $3 < @ $4 >') 1235R< $~[ : $+ > $+ $: $>MailerToTriple < $1 : $2 > $3 < @ $2 > 1236ifdef(`_PRESERVE_LUSER_HOST_', `dnl 1237R< $+ > $+ @ $+ $@ $>MailerToTriple < $1 > $2 < @ $3 >') 1238R< $+ > $+ $@ $>MailerToTriple < $1 > $2 < @ $1 > 1239 1240ifdef(`_MAILER_TABLE_', `dnl 1241ifdef(`_LDAP_ROUTING_', `dnl 1242################################################################### 1243### Ruleset LDAPMailertable -- mailertable lookup for LDAP ### 1244dnl input: <Domain> FullAddress 1245################################################################### 1246 1247SLDAPMailertable 1248R< $+ > $* $: < $(mailertable $1 $) > $2 lookup 1249R< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 check resolved? 1250R< $+ > $* $: < $1 > $>Mailertable <$1> $2 try domain 1251R< $+ > $#$* $#$2 found 1252R< $+ > $* $#_RELAY_ $@ $1 $: $2 not found, direct relay', 1253`dnl') 1254 1255################################################################### 1256### Ruleset 90 -- try domain part of mailertable entry ### 1257dnl input: LeftPartOfDomain <RightPartOfDomain> FullAddress 1258################################################################### 1259 1260SMailertable=90 1261dnl shift and check 1262dnl %2 is not documented in cf/README 1263R$* <$- . $+ > $* $: $1$2 < $(mailertable .$3 $@ $1$2 $@ $2 $) > $4 1264dnl it is $~[ instead of $- to avoid matches on IPv6 addresses 1265R$* <$~[ : $* > $* $>MailerToTriple < $2 : $3 > $4 check -- resolved? 1266R$* < . $+ > $* $@ $>Mailertable $1 . <$2> $3 no -- strip & try again 1267dnl is $2 always empty? 1268R$* < $* > $* $: < $(mailertable . $@ $1$2 $) > $3 try "." 1269R< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 "." found? 1270dnl return full address 1271R< $* > $* $@ $2 no mailertable match', 1272`dnl') 1273 1274################################################################### 1275### Ruleset 95 -- canonify mailer:[user@]host syntax to triple ### 1276dnl input: in general: <[mailer:]host> lp<@domain>rest 1277dnl <> address -> address 1278dnl <error:d.s.n:text> -> error 1279dnl <error:text> -> error 1280dnl <mailer:user@host> lp<@domain>rest -> mailer host user 1281dnl <mailer:host> address -> mailer host address 1282dnl <localdomain> address -> address 1283dnl <host> address -> relay host address 1284################################################################### 1285 1286SMailerToTriple=95 1287R< > $* $@ $1 strip off null relay 1288R< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4 1289R< error : $- $+ > $* $#error $@ $(dequote $1 $) $: $2 1290R< local : $* > $* $>CanonLocal < $1 > $2 1291dnl it is $~[ instead of $- to avoid matches on IPv6 addresses 1292R< $~[ : $+ @ $+ > $*<$*>$* $# $1 $@ $3 $: $2<@$3> use literal user 1293R< $~[ : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer 1294R< $=w > $* $@ $2 delete local host 1295R< $+ > $* $#_RELAY_ $@ $1 $: $2 use unqualified mailer 1296 1297################################################################### 1298### Ruleset CanonLocal -- canonify local: syntax ### 1299dnl input: <user> address 1300dnl <x> <@host> : rest -> Recurse rest 1301dnl <x> p1 $=O p2 <@host> -> Recurse p1 $=O p2 1302dnl <> user <@host> rest -> local user@host user 1303dnl <> user -> local user user 1304dnl <user@host> lp <@domain> rest -> <user> lp <@host> [cont] 1305dnl <user> lp <@host> rest -> local lp@host user 1306dnl <user> lp -> local lp user 1307################################################################### 1308 1309SCanonLocal 1310# strip local host from routed addresses 1311R< $* > < @ $+ > : $+ $@ $>Recurse $3 1312R< $* > $+ $=O $+ < @ $+ > $@ $>Recurse $2 $3 $4 1313 1314# strip trailing dot from any host name that may appear 1315R< $* > $* < @ $* . > $: < $1 > $2 < @ $3 > 1316 1317# handle local: syntax -- use old user, either with or without host 1318R< > $* < @ $* > $* $#_LOCAL_ $@ $1@$2 $: $1 1319R< > $+ $#_LOCAL_ $@ $1 $: $1 1320 1321# handle local:user@host syntax -- ignore host part 1322R< $+ @ $+ > $* < @ $* > $: < $1 > $3 < @ $4 > 1323 1324# handle local:user syntax 1325R< $+ > $* <@ $* > $* $#_LOCAL_ $@ $2@$3 $: $1 1326R< $+ > $* $#_LOCAL_ $@ $2 $: $1 1327 1328################################################################### 1329### Ruleset 93 -- convert header names to masqueraded form ### 1330################################################################### 1331 1332SMasqHdr=93 1333 1334ifdef(`_GENERICS_TABLE_', `dnl 1335# handle generics database 1336ifdef(`_GENERICS_ENTIRE_DOMAIN_', 1337dnl if generics should be applied add a @ as mark 1338`R$+ < @ $* $=G . > $: < $1@$2$3 > $1 < @ $2$3 . > @ mark', 1339`R$+ < @ $=G . > $: < $1@$2 > $1 < @ $2 . > @ mark') 1340R$+ < @ *LOCAL* > $: < $1@$j > $1 < @ *LOCAL* > @ mark 1341dnl workspace: either user<@domain> or <user@domain> user <@domain> @ 1342dnl ignore the first case for now 1343dnl if it has the mark lookup full address 1344dnl broken: %1 is full address not just detail 1345R< $+ > $+ < $* > @ $: < $(generics $1 $: @ $1 $) > $2 < $3 > 1346dnl workspace: ... or <match|@user@domain> user <@domain> 1347dnl no match, try user+detail@domain 1348R<@$+ + $* @ $+> $+ < @ $+ > 1349 $: < $(generics $1+*@$3 $@ $2 $:@$1 + $2@$3 $) > $4 < @ $5 > 1350R<@$+ + $* @ $+> $+ < @ $+ > 1351 $: < $(generics $1@$3 $: $) > $4 < @ $5 > 1352dnl no match, remove mark 1353R<@$+ > $+ < @ $+ > $: < > $2 < @ $3 > 1354dnl no match, try @domain for exceptions 1355R< > $+ < @ $+ . > $: < $(generics @$2 $@ $1 $: $) > $1 < @ $2 . > 1356dnl workspace: ... or <match> user <@domain> 1357dnl no match, try local part 1358R< > $+ < @ $+ > $: < $(generics $1 $: $) > $1 < @ $2 > 1359R< > $+ + $* < @ $+ > $: < $(generics $1+* $@ $2 $: $) > $1 + $2 < @ $3 > 1360R< > $+ + $* < @ $+ > $: < $(generics $1 $: $) > $1 + $2 < @ $3 > 1361R< $* @ $* > $* < $* > $@ $>canonify $1 @ $2 found qualified 1362R< $+ > $* < $* > $: $>canonify $1 @ *LOCAL* found unqualified 1363R< > $* $: $1 not found', 1364`dnl') 1365 1366# do not masquerade anything in class N 1367R$* < @ $* $=N . > $@ $1 < @ $2 $3 . > 1368 1369ifdef(`MASQUERADE_NAME', `dnl 1370# special case the users that should be exposed 1371R$=E < @ *LOCAL* > $@ $1 < @ $j . > leave exposed 1372ifdef(`_MASQUERADE_ENTIRE_DOMAIN_', 1373`R$=E < @ $* $=M . > $@ $1 < @ $2 $3 . >', 1374`R$=E < @ $=M . > $@ $1 < @ $2 . >') 1375ifdef(`_LIMITED_MASQUERADE_', `dnl', 1376`R$=E < @ $=w . > $@ $1 < @ $2 . >') 1377 1378# handle domain-specific masquerading 1379ifdef(`_MASQUERADE_ENTIRE_DOMAIN_', 1380`R$* < @ $* $=M . > $* $: $1 < @ $2 $3 . @ $M > $4 convert masqueraded doms', 1381`R$* < @ $=M . > $* $: $1 < @ $2 . @ $M > $3 convert masqueraded doms') 1382ifdef(`_LIMITED_MASQUERADE_', `dnl', 1383`R$* < @ $=w . > $* $: $1 < @ $2 . @ $M > $3') 1384R$* < @ *LOCAL* > $* $: $1 < @ $j . @ $M > $2 1385R$* < @ $+ @ > $* $: $1 < @ $2 > $3 $M is null 1386R$* < @ $+ @ $+ > $* $: $1 < @ $3 . > $4 $M is not null 1387dnl', `dnl no masquerading 1388dnl just fix *LOCAL* leftovers 1389R$* < @ *LOCAL* > $@ $1 < @ $j . >') 1390 1391################################################################### 1392### Ruleset 94 -- convert envelope names to masqueraded form ### 1393################################################################### 1394 1395SMasqEnv=94 1396ifdef(`_MASQUERADE_ENVELOPE_', 1397`R$+ $@ $>MasqHdr $1', 1398`R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2') 1399 1400################################################################### 1401### Ruleset 98 -- local part of ruleset zero (can be null) ### 1402################################################################### 1403 1404SParseLocal=98 1405undivert(3)dnl LOCAL_RULE_0 1406 1407ifdef(`_LDAP_ROUTING_', `dnl 1408###################################################################### 1409### LDAPExpand: Expand address using LDAP routing 1410### 1411### Parameters: 1412### <$1> -- parsed address (user < @ domain . >) (pass through) 1413### <$2> -- RFC822 address (user @ domain) (used for lookup) 1414### <$3> -- +detail information 1415### 1416### Returns: 1417### Mailer triplet ($#mailer $@ host $: address) 1418### Parsed address (user < @ domain . >) 1419###################################################################### 1420 1421SLDAPExpand 1422# do the LDAP lookups 1423R<$+><$+><$*> $: <$(ldapmra $2 $: $)> <$(ldapmh $2 $: $)> <$1> <$2> <$3> 1424 1425# look for temporary failures (return original address, MTA will queue up) 1426R<$* <TMPF>> <$*> <$+> <$+> <$*> $@ $2 1427R<$*> <$* <TMPF>> <$+> <$+> <$*> $@ $2 1428 1429# if mailRoutingAddress and local or non-existant mailHost, 1430# return the new mailRoutingAddress 1431ifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl 1432R<$+@$+> <$=w> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 $6 @ $2 1433R<$+@$+> <> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 $5 @ $2') 1434R<$+> <$=w> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 1435R<$+> <> <$+> <$+> <$*> $@ $>Parse0 $>canonify $1 1436 1437# if mailRoutingAddress and non-local mailHost, 1438# relay to mailHost with new mailRoutingAddress 1439ifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl 1440ifdef(`_MAILER_TABLE_', `dnl 1441# check mailertable for host, relay from there 1442R<$+@$+> <$+> <$+> <$+> <$*> $>LDAPMailertable <$3> $>canonify $1 $6 @ $2', 1443`R<$+@$+> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $3 $: $>canonify $1 $6 @ $2')') 1444ifdef(`_MAILER_TABLE_', `dnl 1445# check mailertable for host, relay from there 1446R<$+> <$+> <$+> <$+> <$*> $>LDAPMailertable <$2> $>canonify $1', 1447`R<$+> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $2 $: $>canonify $1') 1448 1449# if no mailRoutingAddress and local mailHost, 1450# return original address 1451R<> <$=w> <$+> <$+> <$*> $@ $2 1452 1453# if no mailRoutingAddress and non-local mailHost, 1454# relay to mailHost with original address 1455ifdef(`_MAILER_TABLE_', `dnl 1456# check mailertable for host, relay from there 1457R<> <$+> <$+> <$+> <$*> $>LDAPMailertable <$1> $2', 1458`R<> <$+> <$+> <$+> <$*> $#_RELAY_ $@ $1 $: $2') 1459 1460ifdef(`_LDAP_ROUTE_DETAIL_', 1461`# if no mailRoutingAddress and no mailHost, 1462# try without +detail 1463R<> <> <$+> <$+ + $* @ $+> <> $@ $>LDAPExpand <$1> <$2 @ $4> <+$3>')dnl 1464 1465# if still no mailRoutingAddress and no mailHost, 1466# try @domain 1467ifelse(_LDAP_ROUTE_DETAIL_, `_PRESERVE_', `dnl 1468R<> <> <$+> <$+ + $* @ $+> <> $@ $>LDAPExpand <$1> <@ $4> <+$3>') 1469R<> <> <$+> <$+ @ $+> <$*> $@ $>LDAPExpand <$1> <@ $3> <$4> 1470 1471# if no mailRoutingAddress and no mailHost and this was a domain attempt, 1472ifelse(_LDAP_ROUTING_, `_MUST_EXIST_', `dnl 1473# user does not exist 1474R<> <> <$+> <@ $+> <$*> $: <?> < $&{addr_type} > < $1 > 1475# only give error for envelope recipient 1476R<?> <e r> <$+> $#error $@ nouser $: "550 User unknown" 1477R<?> <$*> <$+> $@ $2', 1478`dnl 1479# return the original address 1480R<> <> <$+> <@ $+> <$*> $@ $1')', 1481`dnl') 1482 1483ifelse(substr(confDELIVERY_MODE,0,1), `d', `errprint(`WARNING: Antispam rules not available in deferred delivery mode. 1484')') 1485ifdef(`_ACCESS_TABLE_', `dnl', `divert(-1)') 1486###################################################################### 1487### D: LookUpDomain -- search for domain in access database 1488### 1489### Parameters: 1490### <$1> -- key (domain name) 1491### <$2> -- default (what to return if not found in db) 1492dnl must not be empty 1493### <$3> -- mark (must be <(!|+) single-token>) 1494### ! does lookup only with tag 1495### + does lookup with and without tag 1496### <$4> -- passthru (additional data passed unchanged through) 1497dnl returns: <default> <passthru> 1498dnl <result> <passthru> 1499###################################################################### 1500 1501SD 1502dnl workspace <key> <default> <passthru> <mark> 1503dnl lookup with tag (in front, no delimiter here) 1504dnl 2 3 4 5 1505R<$*> <$+> <$- $-> <$*> $: < $(access $4`'_TAG_DELIM_`'$1 $: ? $) > <$1> <$2> <$3 $4> <$5> 1506dnl workspace <result-of-lookup|?> <key> <default> <passthru> <mark> 1507dnl lookup without tag? 1508dnl 1 2 3 4 1509R<?> <$+> <$+> <+ $-> <$*> $: < $(access $1 $: ? $) > <$1> <$2> <+ $3> <$4> 1510ifdef(`_LOOKUPDOTDOMAIN_', `dnl omit first component: lookup .rest 1511dnl XXX apply this also to IP addresses? 1512dnl currently it works the wrong way round for [1.2.3.4] 1513dnl 1 2 3 4 5 6 1514R<?> <$+.$+> <$+> <$- $-> <$*> $: < $(access $5`'_TAG_DELIM_`'.$2 $: ? $) > <$1.$2> <$3> <$4 $5> <$6> 1515dnl 1 2 3 4 5 1516R<?> <$+.$+> <$+> <+ $-> <$*> $: < $(access .$2 $: ? $) > <$1.$2> <$3> <+ $4> <$5>', `dnl') 1517ifdef(`_ACCESS_SKIP_', `dnl 1518dnl found SKIP: return <default> and <passthru> 1519dnl 1 2 3 4 5 1520R<SKIP> <$+> <$+> <$- $-> <$*> $@ <$2> <$5>', `dnl') 1521dnl not found: IPv4 net (no check is done whether it is an IP number!) 1522dnl 1 2 3 4 5 6 1523R<?> <[$+.$-]> <$+> <$- $-> <$*> $@ $>D <[$1]> <$3> <$4 $5> <$6> 1524ifdef(`NO_NETINET6', `dnl', 1525`dnl not found: IPv6 net 1526dnl (could be merged with previous rule if we have a class containing .:) 1527dnl 1 2 3 4 5 6 1528R<?> <[$+::$-]> <$+> <$- $-> <$*> $: $>D <[$1]> <$3> <$4 $5> <$6> 1529R<?> <[$+:$-]> <$+> <$- $-> <$*> $: $>D <[$1]> <$3> <$4 $5> <$6>') 1530dnl not found, but subdomain: try again 1531dnl 1 2 3 4 5 6 1532R<?> <$+.$+> <$+> <$- $-> <$*> $@ $>D <$2> <$3> <$4 $5> <$6> 1533ifdef(`_FFR_LOOKUPTAG_', `dnl lookup Tag: 1534dnl 1 2 3 4 1535R<?> <$+> <$+> <! $-> <$*> $: < $(access $3`'_TAG_DELIM_ $: ? $) > <$1> <$2> <! $3> <$4>', `dnl') 1536dnl not found, no subdomain: return <default> and <passthru> 1537dnl 1 2 3 4 5 1538R<?> <$+> <$+> <$- $-> <$*> $@ <$2> <$5> 1539ifdef(`_ATMPF_', `dnl tempfail? 1540dnl 2 3 4 5 6 1541R<$* _ATMPF_> <$+> <$+> <$- $-> <$*> $@ <_ATMPF_> <$6>', `dnl') 1542dnl return <result of lookup> and <passthru> 1543dnl 2 3 4 5 6 1544R<$*> <$+> <$+> <$- $-> <$*> $@ <$1> <$6> 1545 1546###################################################################### 1547### A: LookUpAddress -- search for host address in access database 1548### 1549### Parameters: 1550### <$1> -- key (dot quadded host address) 1551### <$2> -- default (what to return if not found in db) 1552dnl must not be empty 1553### <$3> -- mark (must be <(!|+) single-token>) 1554### ! does lookup only with tag 1555### + does lookup with and without tag 1556### <$4> -- passthru (additional data passed through) 1557dnl returns: <default> <passthru> 1558dnl <result> <passthru> 1559###################################################################### 1560 1561SA 1562dnl lookup with tag 1563dnl 2 3 4 5 1564R<$+> <$+> <$- $-> <$*> $: < $(access $4`'_TAG_DELIM_`'$1 $: ? $) > <$1> <$2> <$3 $4> <$5> 1565dnl lookup without tag 1566dnl 1 2 3 4 1567R<?> <$+> <$+> <+ $-> <$*> $: < $(access $1 $: ? $) > <$1> <$2> <+ $3> <$4> 1568dnl workspace <result-of-lookup|?> <key> <default> <mark> <passthru> 1569ifdef(`_ACCESS_SKIP_', `dnl 1570dnl found SKIP: return <default> and <passthru> 1571dnl 1 2 3 4 5 1572R<SKIP> <$+> <$+> <$- $-> <$*> $@ <$2> <$5>', `dnl') 1573ifdef(`NO_NETINET6', `dnl', 1574`dnl no match; IPv6: remove last part 1575dnl 1 2 3 4 5 6 1576R<?> <$+::$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6> 1577R<?> <$+:$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6>') 1578dnl no match; IPv4: remove last part 1579dnl 1 2 3 4 5 6 1580R<?> <$+.$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6> 1581dnl no match: return default 1582dnl 1 2 3 4 5 1583R<?> <$+> <$+> <$- $-> <$*> $@ <$2> <$5> 1584ifdef(`_ATMPF_', `dnl tempfail? 1585dnl 2 3 4 5 6 1586R<$* _ATMPF_> <$+> <$+> <$- $-> <$*> $@ <_ATMPF_> <$6>', `dnl') 1587dnl match: return result 1588dnl 2 3 4 5 6 1589R<$*> <$+> <$+> <$- $-> <$*> $@ <$1> <$6> 1590dnl endif _ACCESS_TABLE_ 1591divert(0) 1592###################################################################### 1593### CanonAddr -- Convert an address into a standard form for 1594### relay checking. Route address syntax is 1595### crudely converted into a %-hack address. 1596### 1597### Parameters: 1598### $1 -- full recipient address 1599### 1600### Returns: 1601### parsed address, not in source route form 1602dnl user%host%host<@domain> 1603dnl host!user<@domain> 1604###################################################################### 1605 1606SCanonAddr 1607R$* $: $>Parse0 $>canonify $1 make domain canonical 1608ifdef(`_USE_DEPRECATED_ROUTE_ADDR_',`dnl 1609R< @ $+ > : $* @ $* < @ $1 > : $2 % $3 change @ to % in src route 1610R$* < @ $+ > : $* : $* $3 $1 < @ $2 > : $4 change to % hack. 1611R$* < @ $+ > : $* $3 $1 < @ $2 > 1612dnl') 1613 1614###################################################################### 1615### ParseRecipient -- Strip off hosts in $=R as well as possibly 1616### $* $=m or the access database. 1617### Check user portion for host separators. 1618### 1619### Parameters: 1620### $1 -- full recipient address 1621### 1622### Returns: 1623### parsed, non-local-relaying address 1624###################################################################### 1625 1626SParseRecipient 1627dnl mark and canonify address 1628R$* $: <?> $>CanonAddr $1 1629dnl workspace: <?> localpart<@domain[.]> 1630R<?> $* < @ $* . > <?> $1 < @ $2 > strip trailing dots 1631dnl workspace: <?> localpart<@domain> 1632R<?> $- < @ $* > $: <?> $(dequote $1 $) < @ $2 > dequote local part 1633 1634# if no $=O character, no host in the user portion, we are done 1635R<?> $* $=O $* < @ $* > $: <NO> $1 $2 $3 < @ $4> 1636dnl no $=O in localpart: return 1637R<?> $* $@ $1 1638 1639dnl workspace: <NO> localpart<@domain>, where localpart contains $=O 1640dnl mark everything which has an "authorized" domain with <RELAY> 1641ifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl 1642# if we relay, check username portion for user%host so host can be checked also 1643R<NO> $* < @ $* $=m > $: <RELAY> $1 < @ $2 $3 >', `dnl') 1644dnl workspace: <(NO|RELAY)> localpart<@domain>, where localpart contains $=O 1645dnl if mark is <NO> then change it to <RELAY> if domain is "authorized" 1646 1647dnl what if access map returns something else than RELAY? 1648dnl we are only interested in RELAY entries... 1649dnl other To: entries: blacklist recipient; generic entries? 1650dnl if it is an error we probably do not want to relay anyway 1651ifdef(`_RELAY_HOSTS_ONLY_', 1652`R<NO> $* < @ $=R > $: <RELAY> $1 < @ $2 > 1653ifdef(`_ACCESS_TABLE_', `dnl 1654R<NO> $* < @ $+ > $: <$(access To:$2 $: NO $)> $1 < @ $2 > 1655R<NO> $* < @ $+ > $: <$(access $2 $: NO $)> $1 < @ $2 >',`dnl')', 1656`R<NO> $* < @ $* $=R > $: <RELAY> $1 < @ $2 $3 > 1657ifdef(`_ACCESS_TABLE_', `dnl 1658R<NO> $* < @ $+ > $: $>D <$2> <NO> <+ To> <$1 < @ $2 >> 1659R<$+> <$+> $: <$1> $2',`dnl')') 1660 1661 1662ifdef(`_RELAY_MX_SERVED_', `dnl 1663dnl do "we" ($=w) act as backup MX server for the destination domain? 1664R<NO> $* < @ $+ > $: <MX> < : $(mxserved $2 $) : > < $1 < @$2 > > 1665R<MX> < : $* <TEMP> : > $* $#TEMP $@ 4.7.1 $: "450 Can not check MX records for recipient host " $1 1666dnl yes: mark it as <RELAY> 1667R<MX> < $* : $=w. : $* > < $+ > $: <RELAY> $4 1668dnl no: put old <NO> mark back 1669R<MX> < : $* : > < $+ > $: <NO> $2', `dnl') 1670 1671dnl do we relay to this recipient domain? 1672R<RELAY> $* < @ $* > $@ $>ParseRecipient $1 1673dnl something else 1674R<$+> $* $@ $2 1675 1676 1677###################################################################### 1678### check_relay -- check hostname/address on SMTP startup 1679###################################################################### 1680 1681SLocal_check_relay 1682Scheck`'_U_`'relay 1683R$* $: $1 $| $>"Local_check_relay" $1 1684R$* $| $* $| $#$* $#$3 1685R$* $| $* $| $* $@ $>"Basic_check_relay" $1 $| $2 1686 1687SBasic_check_relay 1688# check for deferred delivery mode 1689R$* $: < ${deliveryMode} > $1 1690R< d > $* $@ deferred 1691R< $* > $* $: $2 1692 1693ifdef(`_ACCESS_TABLE_', `dnl 1694dnl workspace: {client_name} $| {client_addr} 1695R$+ $| $+ $: $>D < $1 > <?> <+ Connect> < $2 > 1696dnl workspace: <result-of-lookup> <{client_addr}> 1697R<?> <$+> $: $>A < $1 > <?> <+ Connect> <> no: another lookup 1698dnl workspace: <result-of-lookup> (<>|<{client_addr}>) 1699R<?> <$*> $: OK found nothing 1700dnl workspace: <result-of-lookup> (<>|<{client_addr}>) | OK 1701R<$={Accept}> <$*> $@ $1 return value of lookup 1702R<REJECT> <$*> $#error ifdef(`confREJECT_MSG', `$: "confREJECT_MSG"', `$@ 5.7.1 $: "550 Access denied"') 1703R<DISCARD> <$*> $#discard $: discard 1704ifdef(`_FFR_QUARANTINE', 1705`R<QUARANTINE:$+> <$*> $#error $@ quarantine $: $1', `dnl') 1706dnl error tag 1707R<ERROR:$-.$-.$-:$+> <$*> $#error $@ $1.$2.$3 $: $4 1708R<ERROR:$+> <$*> $#error $: $1 1709ifdef(`_ATMPF_', `R<$* _ATMPF_> <$*> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 1710dnl generic error from access map 1711R<$+> <$*> $#error $: $1', `dnl') 1712 1713ifdef(`_RBL_',`dnl 1714# DNS based IP address spam list 1715dnl workspace: ignored... 1716R$* $: $&{client_addr} 1717R$-.$-.$-.$- $: <?> $(host $4.$3.$2.$1._RBL_. $: OK $) 1718R<?>OK $: OKSOFAR 1719R<?>$+ $#error $@ 5.7.1 $: "550 Mail from " $&{client_addr} " refused by blackhole site _RBL_"', 1720`dnl') 1721undivert(8) 1722 1723###################################################################### 1724### check_mail -- check SMTP ``MAIL FROM:'' command argument 1725###################################################################### 1726 1727SLocal_check_mail 1728Scheck`'_U_`'mail 1729R$* $: $1 $| $>"Local_check_mail" $1 1730R$* $| $#$* $#$2 1731R$* $| $* $@ $>"Basic_check_mail" $1 1732 1733SBasic_check_mail 1734# check for deferred delivery mode 1735R$* $: < ${deliveryMode} > $1 1736R< d > $* $@ deferred 1737R< $* > $* $: $2 1738 1739# authenticated? 1740dnl done first: we can require authentication for every mail transaction 1741dnl workspace: address as given by MAIL FROM: (sender) 1742R$* $: $1 $| $>"tls_client" $&{verify} $| MAIL 1743R$* $| $#$+ $#$2 1744dnl undo damage: remove result of tls_client call 1745R$* $| $* $: $1 1746 1747dnl workspace: address as given by MAIL FROM: 1748R<> $@ <OK> we MUST accept <> (RFC 1123) 1749ifdef(`_ACCEPT_UNQUALIFIED_SENDERS_',`dnl',`dnl 1750dnl do some additional checks 1751dnl no user@host 1752dnl no user@localhost (if nonlocal sender) 1753dnl this is a pretty simple canonification, it will not catch every case 1754dnl just make sure the address has <> around it (which is required by 1755dnl the RFC anyway, maybe we should complain if they are missing...) 1756dnl dirty trick: if it is user@host, just add a dot: user@host. this will 1757dnl not be modified by host lookups. 1758R$+ $: <?> $1 1759R<?><$+> $: <@> <$1> 1760R<?>$+ $: <@> <$1> 1761dnl workspace: <@> <address> 1762dnl prepend daemon_flags 1763R$* $: $&{daemon_flags} $| $1 1764dnl workspace: ${daemon_flags} $| <@> <address> 1765dnl do not allow these at all or only from local systems? 1766R$* f $* $| <@> < $* @ $- > $: < ? $&{client_name} > < $3 @ $4 > 1767dnl accept unqualified sender: change mark to avoid test 1768R$* u $* $| <@> < $* > $: <?> < $3 > 1769dnl workspace: ${daemon_flags} $| <@> <address> 1770dnl or: <? ${client_name} > <address> 1771dnl or: <?> <address> 1772dnl remove daemon_flags 1773R$* $| $* $: $2 1774# handle case of @localhost on address 1775R<@> < $* @ localhost > $: < ? $&{client_name} > < $1 @ localhost > 1776R<@> < $* @ [127.0.0.1] > 1777 $: < ? $&{client_name} > < $1 @ [127.0.0.1] > 1778R<@> < $* @ localhost.$m > 1779 $: < ? $&{client_name} > < $1 @ localhost.$m > 1780ifdef(`_NO_UUCP_', `dnl', 1781`R<@> < $* @ localhost.UUCP > 1782 $: < ? $&{client_name} > < $1 @ localhost.UUCP >') 1783dnl workspace: < ? $&{client_name} > <user@localhost|host> 1784dnl or: <@> <address> 1785dnl or: <?> <address> (thanks to u in ${daemon_flags}) 1786R<@> $* $: $1 no localhost as domain 1787dnl workspace: < ? $&{client_name} > <user@localhost|host> 1788dnl or: <address> 1789dnl or: <?> <address> (thanks to u in ${daemon_flags}) 1790R<? $=w> $* $: $2 local client: ok 1791R<? $+> <$+> $#error $@ 5.5.4 $: "_CODE553 Real domain name required for sender address" 1792dnl remove <?> (happens only if ${client_name} == "" or u in ${daemon_flags}) 1793R<?> $* $: $1') 1794dnl workspace: address (or <address>) 1795R$* $: <?> $>CanonAddr $1 canonify sender address and mark it 1796dnl workspace: <?> CanonicalAddress (i.e. address in canonical form localpart<@host>) 1797dnl there is nothing behind the <@host> so no trailing $* needed 1798R<?> $* < @ $+ . > <?> $1 < @ $2 > strip trailing dots 1799# handle non-DNS hostnames (*.bitnet, *.decnet, *.uucp, etc) 1800R<?> $* < @ $* $=P > $: <OK> $1 < @ $2 $3 > 1801dnl workspace <mark> CanonicalAddress where mark is ? or OK 1802ifdef(`_ACCEPT_UNRESOLVABLE_DOMAINS_', 1803`R<?> $* < @ $+ > $: <_RES_OK_> $1 < @ $2 > ... unresolvable OK', 1804`R<?> $* < @ $+ > $: <? $(resolve $2 $: $2 <PERM> $) > $1 < @ $2 > 1805R<? $* <$->> $* < @ $+ > 1806 $: <$2> $3 < @ $4 >') 1807dnl workspace <mark> CanonicalAddress where mark is ?, _RES_OK_, PERM, TEMP 1808dnl mark is ? iff the address is user (wo @domain) 1809 1810ifdef(`_ACCESS_TABLE_', `dnl 1811# check sender address: user@address, user@, address 1812dnl should we remove +ext from user? 1813dnl workspace: <mark> CanonicalAddress where mark is: ?, _RES_OK_, PERM, TEMP 1814R<$+> $+ < @ $* > $: @<$1> <$2 < @ $3 >> $| <F:$2@$3> <U:$2@> <D:$3> 1815R<$+> $+ $: @<$1> <$2> $| <U:$2@> 1816dnl workspace: @<mark> <CanonicalAddress> $| <@type:address> .... 1817dnl $| is used as delimiter, otherwise false matches may occur: <user<@domain>> 1818dnl will only return user<@domain when "reversing" the args 1819R@ <$+> <$*> $| <$+> $: <@> <$1> <$2> $| $>SearchList <+ From> $| <$3> <> 1820dnl workspace: <@><mark> <CanonicalAddress> $| <result> 1821R<@> <$+> <$*> $| <$*> $: <$3> <$1> <$2> reverse result 1822dnl workspace: <result> <mark> <CanonicalAddress> 1823# retransform for further use 1824dnl required form: 1825dnl <ResultOfLookup|mark> CanonicalAddress 1826R<?> <$+> <$*> $: <$1> $2 no match 1827R<$+> <$+> <$*> $: <$1> $3 relevant result, keep it', `dnl') 1828dnl workspace <ResultOfLookup|mark> CanonicalAddress 1829dnl mark is ? iff the address is user (wo @domain) 1830 1831ifdef(`_ACCEPT_UNQUALIFIED_SENDERS_',`dnl',`dnl 1832# handle case of no @domain on address 1833dnl prepend daemon_flags 1834R<?> $* $: $&{daemon_flags} $| <?> $1 1835dnl accept unqualified sender: change mark to avoid test 1836R$* u $* $| <?> $* $: <_RES_OK_> $3 1837dnl remove daemon_flags 1838R$* $| $* $: $2 1839R<?> $* $: < ? $&{client_name} > $1 1840R<?> $* $@ <OK> ...local unqualed ok 1841R<? $+> $* $#error $@ 5.5.4 $: "_CODE553 Domain name required for sender address " $&f 1842 ...remote is not') 1843# check results 1844R<?> $* $: @ $1 mark address: nothing known about it 1845R<$={ResOk}> $* $@ <_RES_OK_> domain ok: stop 1846R<TEMP> $* $#error $@ 4.1.8 $: "451 Domain of sender address " $&f " does not resolve" 1847R<PERM> $* $#error $@ 5.1.8 $: "_CODE553 Domain of sender address " $&f " does not exist" 1848ifdef(`_ACCESS_TABLE_', `dnl 1849R<$={Accept}> $* $# $1 accept from access map 1850R<DISCARD> $* $#discard $: discard 1851ifdef(`_FFR_QUARANTINE', 1852`R<QUARANTINE:$+> $* $#error $@ quarantine $: $1', `dnl') 1853R<REJECT> $* $#error ifdef(`confREJECT_MSG', `$: "confREJECT_MSG"', `$@ 5.7.1 $: "550 Access denied"') 1854dnl error tag 1855R<ERROR:$-.$-.$-:$+> $* $#error $@ $1.$2.$3 $: $4 1856R<ERROR:$+> $* $#error $: $1 1857ifdef(`_ATMPF_', `R<_ATMPF_> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 1858dnl generic error from access map 1859R<$+> $* $#error $: $1 error from access db', 1860`dnl') 1861 1862###################################################################### 1863### check_rcpt -- check SMTP ``RCPT TO:'' command argument 1864###################################################################### 1865 1866SLocal_check_rcpt 1867Scheck`'_U_`'rcpt 1868R$* $: $1 $| $>"Local_check_rcpt" $1 1869R$* $| $#$* $#$2 1870R$* $| $* $@ $>"Basic_check_rcpt" $1 1871 1872SBasic_check_rcpt 1873# empty address? 1874R<> $#error $@ nouser $: "553 User address required" 1875R$@ $#error $@ nouser $: "553 User address required" 1876# check for deferred delivery mode 1877R$* $: < ${deliveryMode} > $1 1878R< d > $* $@ deferred 1879R< $* > $* $: $2 1880 1881ifdef(`_REQUIRE_QUAL_RCPT_', `dnl 1882dnl this code checks for user@host where host is not a FQHN. 1883dnl it is not activated. 1884dnl notice: code to check for a recipient without a domain name is 1885dnl available down below; look for the same macro. 1886dnl this check is done here because the name might be qualified by the 1887dnl canonicalization. 1888# require fully qualified domain part? 1889dnl very simple canonification: make sure the address is in < > 1890R$+ $: <?> $1 1891R<?> <$+> $: <@> <$1> 1892R<?> $+ $: <@> <$1> 1893R<@> < postmaster > $: postmaster 1894R<@> < $* @ $+ . $+ > $: < $3 @ $4 . $5 > 1895dnl prepend daemon_flags 1896R<@> $* $: $&{daemon_flags} $| <@> $1 1897dnl workspace: ${daemon_flags} $| <@> <address> 1898dnl do not allow these at all or only from local systems? 1899R$* r $* $| <@> < $* @ $* > $: < ? $&{client_name} > < $3 @ $4 > 1900R<?> < $* > $: <$1> 1901R<? $=w> < $* > $: <$1> 1902R<? $+> <$+> $#error $@ 5.5.4 $: "553 Fully qualified domain name required" 1903dnl remove daemon_flags for other cases 1904R$* $| <@> $* $: $2', `dnl') 1905 1906dnl ################################################################## 1907dnl call subroutines for recipient and relay 1908dnl possible returns from subroutines: 1909dnl $#TEMP temporary failure 1910dnl $#error permanent failure (or temporary if from access map) 1911dnl $#other stop processing 1912dnl RELAY RELAYing allowed 1913dnl other otherwise 1914###################################################################### 1915R$* $: $1 $| @ $>"Rcpt_ok" $1 1916dnl temporary failure? remove mark @ and remember 1917R$* $| @ $#TEMP $+ $: $1 $| T $2 1918dnl error or ok (stop) 1919R$* $| @ $#$* $#$2 1920ifdef(`_PROMISCUOUS_RELAY_', `divert(-1)', `dnl') 1921R$* $| @ RELAY $@ RELAY 1922dnl something else: call check sender (relay) 1923R$* $| @ $* $: O $| $>"Relay_ok" $1 1924dnl temporary failure: call check sender (relay) 1925R$* $| T $+ $: T $2 $| $>"Relay_ok" $1 1926dnl temporary failure? return that 1927R$* $| $#TEMP $+ $#error $2 1928dnl error or ok (stop) 1929R$* $| $#$* $#$2 1930R$* $| RELAY $@ RELAY 1931dnl something else: return previous temp failure 1932R T $+ $| $* $#error $1 1933# anything else is bogus 1934R$* $#error $@ 5.7.1 $: confRELAY_MSG 1935divert(0) 1936 1937###################################################################### 1938### Rcpt_ok: is the recipient ok? 1939dnl input: recipient address (RCPT TO) 1940dnl output: see explanation at call 1941###################################################################### 1942SRcpt_ok 1943ifdef(`_LOOSE_RELAY_CHECK_',`dnl 1944R$* $: $>CanonAddr $1 1945R$* < @ $* . > $1 < @ $2 > strip trailing dots', 1946`R$* $: $>ParseRecipient $1 strip relayable hosts') 1947 1948ifdef(`_BESTMX_IS_LOCAL_',`dnl 1949ifelse(_BESTMX_IS_LOCAL_, `', `dnl 1950# unlimited bestmx 1951R$* < @ $* > $* $: $1 < @ $2 @@ $(bestmx $2 $) > $3', 1952`dnl 1953# limit bestmx to $=B 1954R$* < @ $* $=B > $* $: $1 < @ $2 $3 @@ $(bestmx $2 $3 $) > $4') 1955R$* $=O $* < @ $* @@ $=w . > $* $@ $>"Rcpt_ok" $1 $2 $3 1956R$* < @ $* @@ $=w . > $* $: $1 < @ $3 > $4 1957R$* < @ $* @@ $* > $* $: $1 < @ $2 > $4') 1958 1959ifdef(`_BLACKLIST_RCPT_',`dnl 1960ifdef(`_ACCESS_TABLE_', `dnl 1961# blacklist local users or any host from receiving mail 1962R$* $: <?> $1 1963dnl user is now tagged with @ to be consistent with check_mail 1964dnl and to distinguish users from hosts (com would be host, com@ would be user) 1965R<?> $+ < @ $=w > $: <> <$1 < @ $2 >> $| <F:$1@$2> <U:$1@> <D:$2> 1966R<?> $+ < @ $* > $: <> <$1 < @ $2 >> $| <F:$1@$2> <D:$2> 1967R<?> $+ $: <> <$1> $| <U:$1@> 1968dnl $| is used as delimiter, otherwise false matches may occur: <user<@domain>> 1969dnl will only return user<@domain when "reversing" the args 1970R<> <$*> $| <$+> $: <@> <$1> $| $>SearchList <+ To> $| <$2> <> 1971R<@> <$*> $| <$*> $: <$2> <$1> reverse result 1972R<?> <$*> $: @ $1 mark address as no match 1973dnl we may have to filter here because otherwise some RHSs 1974dnl would be interpreted as generic error messages... 1975dnl error messages should be "tagged" by prefixing them with error: ! 1976dnl that would make a lot of things easier. 1977R<$={Accept}> <$*> $: @ $2 mark address as no match 1978ifdef(`_ACCESS_SKIP_', `dnl 1979R<SKIP> <$*> $: @ $1 mark address as no match', `dnl') 1980ifdef(`_DELAY_COMPAT_8_10_',`dnl 1981dnl compatility with 8.11/8.10: 1982dnl we have to filter these because otherwise they would be interpreted 1983dnl as generic error message... 1984dnl error messages should be "tagged" by prefixing them with error: ! 1985dnl that would make a lot of things easier. 1986dnl maybe we should stop checks already here (if SPAM_xyx)? 1987R<$={SpamTag}> <$*> $: @ $2 mark address as no match') 1988R<REJECT> $* $#error $@ 5.2.1 $: confRCPTREJ_MSG 1989R<DISCARD> $* $#discard $: discard 1990ifdef(`_FFR_QUARANTINE', 1991`R<QUARANTINE:$+> $* $#error $@ quarantine $: $1', `dnl') 1992dnl error tag 1993R<ERROR:$-.$-.$-:$+> $* $#error $@ $1.$2.$3 $: $4 1994R<ERROR:$+> $* $#error $: $1 1995ifdef(`_ATMPF_', `R<_ATMPF_> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 1996dnl generic error from access map 1997R<$+> $* $#error $: $1 error from access db 1998R@ $* $1 remove mark', `dnl')', `dnl') 1999 2000ifdef(`_PROMISCUOUS_RELAY_', `divert(-1)', `dnl') 2001# authenticated via TLS? 2002R$* $: $1 $| $>RelayTLS client authenticated? 2003R$* $| $# $+ $# $2 error/ok? 2004R$* $| $* $: $1 no 2005 2006R$* $: $1 $| $>"Local_Relay_Auth" $&{auth_type} 2007dnl workspace: localpart<@domain> $| result of Local_Relay_Auth 2008R$* $| $# $* $# $2 2009dnl if Local_Relay_Auth returns NO then do not check $={TrustAuthMech} 2010R$* $| NO $: $1 2011R$* $| $* $: $1 $| $&{auth_type} 2012dnl workspace: localpart<@domain> [ $| ${auth_type} ] 2013dnl empty ${auth_type}? 2014R$* $| $: $1 2015dnl mechanism ${auth_type} accepted? 2016dnl use $# to override further tests (delay_checks): see check_rcpt below 2017R$* $| $={TrustAuthMech} $# RELAY 2018dnl remove ${auth_type} 2019R$* $| $* $: $1 2020dnl workspace: localpart<@domain> | localpart 2021ifelse(defn(`_NO_UUCP_'), `r', 2022`R$* ! $* < @ $* > $: <REMOTE> $2 < @ BANG_PATH > 2023R$* ! $* $: <REMOTE> $2 < @ BANG_PATH >', `dnl') 2024# anything terminating locally is ok 2025ifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl 2026R$+ < @ $* $=m > $@ RELAY', `dnl') 2027R$+ < @ $=w > $@ RELAY 2028ifdef(`_RELAY_HOSTS_ONLY_', 2029`R$+ < @ $=R > $@ RELAY 2030ifdef(`_ACCESS_TABLE_', `dnl 2031R$+ < @ $+ > $: <$(access To:$2 $: ? $)> <$1 < @ $2 >> 2032dnl workspace: <Result-of-lookup | ?> <localpart<@domain>> 2033R<?> <$+ < @ $+ >> $: <$(access $2 $: ? $)> <$1 < @ $2 >>',`dnl')', 2034`R$+ < @ $* $=R > $@ RELAY 2035ifdef(`_ACCESS_TABLE_', `dnl 2036R$+ < @ $+ > $: $>D <$2> <?> <+ To> <$1 < @ $2 >>',`dnl')') 2037ifdef(`_ACCESS_TABLE_', `dnl 2038dnl workspace: <Result-of-lookup | ?> <localpart<@domain>> 2039R<RELAY> $* $@ RELAY 2040ifdef(`_ATMPF_', `R<$* _ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 2041R<$*> <$*> $: $2',`dnl') 2042 2043 2044ifdef(`_RELAY_MX_SERVED_', `dnl 2045# allow relaying for hosts which we MX serve 2046R$+ < @ $+ > $: < : $(mxserved $2 $) : > $1 < @ $2 > 2047dnl this must not necessarily happen if the client is checked first... 2048R< : $* <TEMP> : > $* $#TEMP $@ 4.7.1 $: "450 Can not check MX records for recipient host " $1 2049R<$* : $=w . : $*> $* $@ RELAY 2050R< : $* : > $* $: $2', 2051`dnl') 2052 2053# check for local user (i.e. unqualified address) 2054R$* $: <?> $1 2055R<?> $* < @ $+ > $: <REMOTE> $1 < @ $2 > 2056# local user is ok 2057dnl is it really? the standard requires user@domain, not just user 2058dnl but we should accept it anyway (maybe making it an option: 2059dnl RequireFQDN ?) 2060dnl postmaster must be accepted without domain (DRUMS) 2061ifdef(`_REQUIRE_QUAL_RCPT_', `dnl 2062R<?> postmaster $@ OK 2063# require qualified recipient? 2064dnl prepend daemon_flags 2065R<?> $+ $: $&{daemon_flags} $| <?> $1 2066dnl workspace: ${daemon_flags} $| <?> localpart 2067dnl do not allow these at all or only from local systems? 2068dnl r flag? add client_name 2069R$* r $* $| <?> $+ $: < ? $&{client_name} > <?> $3 2070dnl no r flag: relay to local user (only local part) 2071# no qualified recipient required 2072R$* $| <?> $+ $@ RELAY 2073dnl client_name is empty 2074R<?> <?> $+ $@ RELAY 2075dnl client_name is local 2076R<? $=w> <?> $+ $@ RELAY 2077dnl client_name is not local 2078R<? $+> $+ $#error $@ 5.5.4 $: "553 Domain name required"', `dnl 2079dnl no qualified recipient required 2080R<?> $+ $@ RELAY') 2081dnl it is a remote user: remove mark and then check client 2082R<$+> $* $: $2 2083dnl currently the recipient address is not used below 2084 2085###################################################################### 2086### Relay_ok: is the relay/sender ok? 2087dnl input: ignored 2088dnl output: see explanation at call 2089###################################################################### 2090SRelay_ok 2091# anything originating locally is ok 2092# check IP address 2093R$* $: $&{client_addr} 2094R$@ $@ RELAY originated locally 2095R0 $@ RELAY originated locally 2096R$=R $* $@ RELAY relayable IP address 2097ifdef(`_ACCESS_TABLE_', `dnl 2098R$* $: $>A <$1> <?> <+ Connect> <$1> 2099R<RELAY> $* $@ RELAY relayable IP address 2100ifdef(`_ATMPF_', `R<_ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 2101R<$*> <$*> $: $2', `dnl') 2102R$* $: [ $1 ] put brackets around it... 2103R$=w $@ RELAY ... and see if it is local 2104 2105ifdef(`_RELAY_DB_FROM_', `define(`_RELAY_MAIL_FROM_', `1')')dnl 2106ifdef(`_RELAY_LOCAL_FROM_', `define(`_RELAY_MAIL_FROM_', `1')')dnl 2107ifdef(`_RELAY_MAIL_FROM_', `dnl 2108dnl input: {client_addr} or something "broken" 2109dnl just throw the input away; we do not need it. 2110# check whether FROM is allowed to use system as relay 2111R$* $: <?> $>CanonAddr $&f 2112R<?> $+ < @ $+ . > <?> $1 < @ $2 > remove trailing dot 2113ifdef(`_RELAY_LOCAL_FROM_', `dnl 2114# check whether local FROM is ok 2115R<?> $+ < @ $=w > $@ RELAY FROM local', `dnl') 2116ifdef(`_RELAY_DB_FROM_', `dnl 2117R<?> $+ < @ $+ > $: <@> $>SearchList <! From> $| <F:$1@$2> ifdef(`_RELAY_DB_FROM_DOMAIN_', ifdef(`_RELAY_HOSTS_ONLY_', `<E:$2>', `<D:$2>')) <> 2118R<@> <RELAY> $@ RELAY RELAY FROM sender ok 2119ifdef(`_ATMPF_', `R<@> <_ATMPF_> $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 2120', `dnl 2121ifdef(`_RELAY_DB_FROM_DOMAIN_', 2122`errprint(`*** ERROR: _RELAY_DB_FROM_DOMAIN_ requires _RELAY_DB_FROM_ 2123')', 2124`dnl') 2125dnl')', `dnl') 2126dnl notice: the rulesets above do not leave a unique workspace behind. 2127dnl it does not matter in this case because the following rule ignores 2128dnl the input. otherwise these rules must "clean up" the workspace. 2129 2130# check client name: first: did it resolve? 2131dnl input: ignored 2132R$* $: < $&{client_resolve} > 2133R<TEMP> $#TEMP $@ 4.7.1 $: "450 Relaying temporarily denied. Cannot resolve PTR record for " $&{client_addr} 2134R<FORGED> $#error $@ 5.7.1 $: "550 Relaying denied. IP name possibly forged " $&{client_name} 2135R<FAIL> $#error $@ 5.7.1 $: "550 Relaying denied. IP name lookup failed " $&{client_name} 2136dnl ${client_resolve} should be OK, so go ahead 2137R$* $: <@> $&{client_name} 2138dnl should not be necessary since it has been done for client_addr already 2139R<@> $@ RELAY 2140dnl workspace: <@> ${client_name} (not empty) 2141# pass to name server to make hostname canonical 2142R<@> $* $=P $:<?> $1 $2 2143R<@> $+ $:<?> $[ $1 $] 2144dnl workspace: <?> ${client_name} (canonified) 2145R$* . $1 strip trailing dots 2146ifdef(`_RELAY_ENTIRE_DOMAIN_', `dnl 2147R<?> $* $=m $@ RELAY', `dnl') 2148R<?> $=w $@ RELAY 2149ifdef(`_RELAY_HOSTS_ONLY_', 2150`R<?> $=R $@ RELAY 2151ifdef(`_ACCESS_TABLE_', `dnl 2152R<?> $* $: <$(access Connect:$1 $: ? $)> <$1> 2153R<?> <$*> $: <$(access $1 $: ? $)> <$1>',`dnl')', 2154`R<?> $* $=R $@ RELAY 2155ifdef(`_ACCESS_TABLE_', `dnl 2156R<?> $* $: $>D <$1> <?> <+ Connect> <$1>',`dnl')') 2157ifdef(`_ACCESS_TABLE_', `dnl 2158R<RELAY> $* $@ RELAY 2159ifdef(`_ATMPF_', `R<$* _ATMPF_> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 2160R<$*> <$*> $: $2',`dnl') 2161dnl end of _PROMISCUOUS_RELAY_ 2162divert(0) 2163ifdef(`_DELAY_CHECKS_',`dnl 2164# turn a canonical address in the form user<@domain> 2165# qualify unqual. addresses with $j 2166dnl it might have been only user (without <@domain>) 2167SFullAddr 2168R$* <@ $+ . > $1 <@ $2 > 2169R$* <@ $* > $@ $1 <@ $2 > 2170R$+ $@ $1 <@ $j > 2171 2172# call all necessary rulesets 2173Scheck_rcpt 2174dnl this test should be in the Basic_check_rcpt ruleset 2175dnl which is the correct DSN code? 2176# R$@ $#error $@ 5.1.3 $: "553 Recipient address required" 2177R$+ $: $1 $| $>checkrcpt $1 2178dnl now we can simply stop checks by returning "$# xyz" instead of just "ok" 2179R$+ $| $#$* $#$2 2180R$+ $| $* $: <?> $>FullAddr $>CanonAddr $1 2181ifdef(`_SPAM_FH_', 2182`dnl lookup user@ and user@address 2183ifdef(`_ACCESS_TABLE_', `', 2184`errprint(`*** ERROR: FEATURE(`delay_checks', `argument') requires FEATURE(`access_db') 2185')')dnl 2186dnl one of the next two rules is supposed to match 2187dnl this code has been copied from BLACKLIST... etc 2188dnl and simplified by omitting some < >. 2189R<?> $+ < @ $=w > $: <> $1 < @ $2 > $| <F: $1@$2 > <D: $2 > <U: $1@> 2190R<?> $+ < @ $* > $: <> $1 < @ $2 > $| <F: $1@$2 > <D: $2 > 2191dnl R<?> $@ something_is_very_wrong_here 2192# lookup the addresses only with Spam tag 2193R<> $* $| <$+> $: <@> $1 $| $>SearchList <! Spam> $| <$2> <> 2194R<@> $* $| $* $: $2 $1 reverse result 2195dnl', `dnl') 2196ifdef(`_SPAM_FRIEND_', 2197`# is the recipient a spam friend? 2198ifdef(`_SPAM_HATER_', 2199 `errprint(`*** ERROR: define either SpamHater or SpamFriend 2200')', `dnl') 2201R<FRIEND> $+ $@ SPAMFRIEND 2202R<$*> $+ $: $2', 2203`dnl') 2204ifdef(`_SPAM_HATER_', 2205`# is the recipient no spam hater? 2206R<HATER> $+ $: $1 spam hater: continue checks 2207R<$*> $+ $@ NOSPAMHATER everyone else: stop 2208dnl',`dnl') 2209dnl run further checks: check_mail 2210dnl should we "clean up" $&f? 2211ifdef(`_FFR_MAIL_MACRO', 2212`R$* $: $1 $| $>checkmail $&{mail_from}', 2213`R$* $: $1 $| $>checkmail <$&f>') 2214dnl recipient (canonical format) $| result of checkmail 2215R$* $| $#$* $#$2 2216dnl run further checks: check_relay 2217R$* $| $* $: $1 $| $>checkrelay $&{client_name} $| $&{client_addr} 2218R$* $| $#$* $#$2 2219R$* $| $* $: $1 2220', `dnl') 2221 2222ifdef(`_ACCESS_TABLE_', `dnl', `divert(-1)') 2223###################################################################### 2224### F: LookUpFull -- search for an entry in access database 2225### 2226### lookup of full key (which should be an address) and 2227### variations if +detail exists: +* and without +detail 2228### 2229### Parameters: 2230### <$1> -- key 2231### <$2> -- default (what to return if not found in db) 2232dnl must not be empty 2233### <$3> -- mark (must be <(!|+) single-token>) 2234### ! does lookup only with tag 2235### + does lookup with and without tag 2236### <$4> -- passthru (additional data passed unchanged through) 2237dnl returns: <default> <passthru> 2238dnl <result> <passthru> 2239###################################################################### 2240 2241SF 2242dnl workspace: <key> <def> <o tag> <thru> 2243dnl full lookup 2244dnl 2 3 4 5 2245R<$+> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> 2246dnl no match, try without tag 2247dnl 1 2 3 4 2248R<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> 2249dnl no match, +detail: try +* 2250dnl 1 2 3 4 5 6 7 2251R<?> <$+ + $* @ $+> <$*> <$- $-> <$*> 2252 $: <$(access $6`'_TAG_DELIM_`'$1+*@$3 $: ? $)> <$1+$2@$3> <$4> <$5 $6> <$7> 2253dnl no match, +detail: try +* without tag 2254dnl 1 2 3 4 5 6 2255R<?> <$+ + $* @ $+> <$*> <+ $-> <$*> 2256 $: <$(access $1+*@$3 $: ? $)> <$1+$2@$3> <$4> <+ $5> <$6> 2257dnl no match, +detail: try without +detail 2258dnl 1 2 3 4 5 6 7 2259R<?> <$+ + $* @ $+> <$*> <$- $-> <$*> 2260 $: <$(access $6`'_TAG_DELIM_`'$1@$3 $: ? $)> <$1+$2@$3> <$4> <$5 $6> <$7> 2261dnl no match, +detail: try without +detail and without tag 2262dnl 1 2 3 4 5 6 2263R<?> <$+ + $* @ $+> <$*> <+ $-> <$*> 2264 $: <$(access $1@$3 $: ? $)> <$1+$2@$3> <$4> <+ $5> <$6> 2265dnl no match, return <default> <passthru> 2266dnl 1 2 3 4 5 2267R<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5> 2268ifdef(`_ATMPF_', `dnl tempfail? 2269dnl 2 3 4 5 2270R<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') 2271dnl match, return <match> <passthru> 2272dnl 2 3 4 5 2273R<$+> <$*> <$- $-> <$*> $@ <$1> <$5> 2274 2275###################################################################### 2276### E: LookUpExact -- search for an entry in access database 2277### 2278### Parameters: 2279### <$1> -- key 2280### <$2> -- default (what to return if not found in db) 2281dnl must not be empty 2282### <$3> -- mark (must be <(!|+) single-token>) 2283### ! does lookup only with tag 2284### + does lookup with and without tag 2285### <$4> -- passthru (additional data passed unchanged through) 2286dnl returns: <default> <passthru> 2287dnl <result> <passthru> 2288###################################################################### 2289 2290SE 2291dnl 2 3 4 5 2292R<$*> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> 2293dnl no match, try without tag 2294dnl 1 2 3 4 2295R<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> 2296dnl no match, return default passthru 2297dnl 1 2 3 4 5 2298R<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5> 2299ifdef(`_ATMPF_', `dnl tempfail? 2300dnl 2 3 4 5 2301R<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') 2302dnl match, return <match> <passthru> 2303dnl 2 3 4 5 2304R<$+> <$*> <$- $-> <$*> $@ <$1> <$5> 2305 2306###################################################################### 2307### U: LookUpUser -- search for an entry in access database 2308### 2309### lookup of key (which should be a local part) and 2310### variations if +detail exists: +* and without +detail 2311### 2312### Parameters: 2313### <$1> -- key (user@) 2314### <$2> -- default (what to return if not found in db) 2315dnl must not be empty 2316### <$3> -- mark (must be <(!|+) single-token>) 2317### ! does lookup only with tag 2318### + does lookup with and without tag 2319### <$4> -- passthru (additional data passed unchanged through) 2320dnl returns: <default> <passthru> 2321dnl <result> <passthru> 2322###################################################################### 2323 2324SU 2325dnl user lookups are always with trailing @ 2326dnl 2 3 4 5 2327R<$+> <$*> <$- $-> <$*> $: <$(access $4`'_TAG_DELIM_`'$1 $: ? $)> <$1> <$2> <$3 $4> <$5> 2328dnl no match, try without tag 2329dnl 1 2 3 4 2330R<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4> 2331dnl do not remove the @ from the lookup: 2332dnl it is part of the +detail@ which is omitted for the lookup 2333dnl no match, +detail: try +* 2334dnl 1 2 3 4 5 6 2335R<?> <$+ + $* @> <$*> <$- $-> <$*> 2336 $: <$(access $5`'_TAG_DELIM_`'$1+*@ $: ? $)> <$1+$2@> <$3> <$4 $5> <$6> 2337dnl no match, +detail: try +* without tag 2338dnl 1 2 3 4 5 2339R<?> <$+ + $* @> <$*> <+ $-> <$*> 2340 $: <$(access $1+*@ $: ? $)> <$1+$2@> <$3> <+ $4> <$5> 2341dnl no match, +detail: try without +detail 2342dnl 1 2 3 4 5 6 2343R<?> <$+ + $* @> <$*> <$- $-> <$*> 2344 $: <$(access $5`'_TAG_DELIM_`'$1@ $: ? $)> <$1+$2@> <$3> <$4 $5> <$6> 2345dnl no match, +detail: try without +detail and without tag 2346dnl 1 2 3 4 5 2347R<?> <$+ + $* @> <$*> <+ $-> <$*> 2348 $: <$(access $1@ $: ? $)> <$1+$2@> <$3> <+ $4> <$5> 2349dnl no match, return <default> <passthru> 2350dnl 1 2 3 4 5 2351R<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5> 2352ifdef(`_ATMPF_', `dnl tempfail? 2353dnl 2 3 4 5 2354R<$+ _ATMPF_> <$*> <$- $-> <$*> $@ <_ATMPF_> <$5>', `dnl') 2355dnl match, return <match> <passthru> 2356dnl 2 3 4 5 2357R<$+> <$*> <$- $-> <$*> $@ <$1> <$5> 2358 2359###################################################################### 2360### SearchList: search a list of items in the access map 2361### Parameters: 2362### <exact tag> $| <mark:address> <mark:address> ... <> 2363dnl maybe we should have a @ (again) in front of the mark to 2364dnl avoid errorneous matches (with error messages?) 2365dnl if we can make sure that tag is always a single token 2366dnl then we can omit the delimiter $|, otherwise we need it 2367dnl to avoid errorneous matchs (first rule: D: if there 2368dnl is that mark somewhere in the list, it will be taken). 2369dnl moreover, we can do some tricks to enforce lookup with 2370dnl the tag only, e.g.: 2371### where "exact" is either "+" or "!": 2372### <+ TAG> lookup with and w/o tag 2373### <! TAG> lookup with tag 2374dnl Warning: + and ! should be in OperatorChars (otherwise there must be 2375dnl a blank between them and the tag. 2376### possible values for "mark" are: 2377### D: recursive host lookup (LookUpDomain) 2378dnl A: recursive address lookup (LookUpAddress) [not yet required] 2379### E: exact lookup, no modifications 2380### F: full lookup, try user+ext@domain and user@domain 2381### U: user lookup, try user+ext and user (input must have trailing @) 2382### return: <RHS of lookup> or <?> (not found) 2383###################################################################### 2384 2385# class with valid marks for SearchList 2386dnl if A is activated: add it 2387C{src}E F D U ifdef(`_FFR_SRCHLIST_A', `A') 2388SSearchList 2389# just call the ruleset with the name of the tag... nice trick... 2390dnl 2 3 4 2391R<$+> $| <$={src}:$*> <$*> $: <$1> $| <$4> $| $>$2 <$3> <?> <$1> <> 2392dnl workspace: <o tag> $| <rest> $| <result of lookup> <> 2393dnl no match and nothing left: return 2394R<$+> $| <> $| <?> <> $@ <?> 2395dnl no match but something left: continue 2396R<$+> $| <$+> $| <?> <> $@ $>SearchList <$1> $| <$2> 2397dnl match: return 2398R<$+> $| <$*> $| <$+> <> $@ <$3> 2399dnl return result from recursive invocation 2400R<$+> $| <$+> $@ <$2> 2401dnl endif _ACCESS_TABLE_ 2402divert(0) 2403 2404###################################################################### 2405### trust_auth: is user trusted to authenticate as someone else? 2406### 2407### Parameters: 2408### $1: AUTH= parameter from MAIL command 2409###################################################################### 2410 2411dnl empty ruleset definition so it can be called 2412SLocal_trust_auth 2413Strust_auth 2414R$* $: $&{auth_type} $| $1 2415# required by RFC 2554 section 4. 2416R$@ $| $* $#error $@ 5.7.1 $: "550 not authenticated" 2417dnl seems to be useful... 2418R$* $| $&{auth_authen} $@ identical 2419R$* $| <$&{auth_authen}> $@ identical 2420dnl call user supplied code 2421R$* $| $* $: $1 $| $>"Local_trust_auth" $1 2422R$* $| $#$* $#$2 2423dnl default: error 2424R$* $#error $@ 5.7.1 $: "550 " $&{auth_authen} " not allowed to act as " $&{auth_author} 2425 2426###################################################################### 2427### Relay_Auth: allow relaying based on authentication? 2428### 2429### Parameters: 2430### $1: ${auth_type} 2431###################################################################### 2432SLocal_Relay_Auth 2433 2434ifdef(`_ACCESS_TABLE_', `dnl 2435###################################################################### 2436### srv_features: which features to offer to a client? 2437### (done in server) 2438###################################################################### 2439Ssrv_features 2440ifdef(`_LOCAL_SRV_FEATURES_', `dnl 2441R$* $: $1 $| $>"Local_srv_features" $1 2442R$* $| $#$* $#$2 2443R$* $| $* $: $1', `dnl') 2444R$* $: $>D <$&{client_name}> <?> <! SRV_FEAT_TAG> <> 2445R<?>$* $: $>A <$&{client_addr}> <?> <! SRV_FEAT_TAG> <> 2446R<?>$* $: <$(access SRV_FEAT_TAG`'_TAG_DELIM_ $: ? $)> 2447R<?>$* $@ OK 2448ifdef(`_ATMPF_', `dnl tempfail? 2449R<$* _ATMPF_>$* $#temp', `dnl') 2450R<$+>$* $# $1 2451 2452###################################################################### 2453### try_tls: try to use STARTTLS? 2454### (done in client) 2455###################################################################### 2456Stry_tls 2457ifdef(`_LOCAL_TRY_TLS_', `dnl 2458R$* $: $1 $| $>"Local_try_tls" $1 2459R$* $| $#$* $#$2 2460R$* $| $* $: $1', `dnl') 2461R$* $: $>D <$&{server_name}> <?> <! TLS_TRY_TAG> <> 2462R<?>$* $: $>A <$&{server_addr}> <?> <! TLS_TRY_TAG> <> 2463R<?>$* $: <$(access TLS_TRY_TAG`'_TAG_DELIM_ $: ? $)> 2464R<?>$* $@ OK 2465ifdef(`_ATMPF_', `dnl tempfail? 2466R<$* _ATMPF_>$* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 2467R<NO>$* $#error $@ 5.7.1 $: "550 do not try TLS with " $&{server_name} " ["$&{server_addr}"]" 2468 2469###################################################################### 2470### tls_rcpt: is connection with server "good" enough? 2471### (done in client, per recipient) 2472dnl called from deliver() before RCPT command 2473### 2474### Parameters: 2475### $1: recipient 2476###################################################################### 2477Stls_rcpt 2478ifdef(`_LOCAL_TLS_RCPT_', `dnl 2479R$* $: $1 $| $>"Local_tls_rcpt" $1 2480R$* $| $#$* $#$2 2481R$* $| $* $: $1', `dnl') 2482dnl store name of other side 2483R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 2484dnl canonify recipient address 2485R$+ $: <?> $>CanonAddr $1 2486dnl strip trailing dots 2487R<?> $+ < @ $+ . > <?> $1 <@ $2 > 2488dnl full address? 2489R<?> $+ < @ $+ > $: $1 <@ $2 > $| <F:$1@$2> <U:$1@> <D:$2> <E:> 2490dnl only localpart? 2491R<?> $+ $: $1 $| <U:$1@> <E:> 2492dnl look it up 2493dnl also look up a default value via E: 2494R$* $| $+ $: $1 $| $>SearchList <! TLS_RCPT_TAG> $| $2 <> 2495dnl found nothing: stop here 2496R$* $| <?> $@ OK 2497ifdef(`_ATMPF_', `dnl tempfail? 2498R$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 2499dnl use the generic routine (for now) 2500R$* $| <$+> $@ $>"TLS_connection" $&{verify} $| <$2>') 2501 2502###################################################################### 2503### tls_client: is connection with client "good" enough? 2504### (done in server) 2505### 2506### Parameters: 2507### ${verify} $| (MAIL|STARTTLS) 2508###################################################################### 2509dnl MAIL: called from check_mail 2510dnl STARTTLS: called from smtp() after STARTTLS has been accepted 2511Stls_client 2512ifdef(`_LOCAL_TLS_CLIENT_', `dnl 2513R$* $: $1 $| $>"Local_tls_client" $1 2514R$* $| $#$* $#$2 2515R$* $| $* $: $1', `dnl') 2516ifdef(`_ACCESS_TABLE_', `dnl 2517dnl store name of other side 2518R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 2519dnl ignore second arg for now 2520dnl maybe use it to distinguish permanent/temporary error? 2521dnl if MAIL: permanent (STARTTLS has not been offered) 2522dnl if STARTTLS: temporary (offered but maybe failed) 2523R$* $| $* $: $1 $| $>D <$&{client_name}> <?> <! TLS_CLT_TAG> <> 2524R$* $| <?>$* $: $1 $| $>A <$&{client_addr}> <?> <! TLS_CLT_TAG> <> 2525dnl do a default lookup: just TLS_CLT_TAG 2526R$* $| <?>$* $: $1 $| <$(access TLS_CLT_TAG`'_TAG_DELIM_ $: ? $)> 2527ifdef(`_ATMPF_', `dnl tempfail? 2528R$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 2529R$* $@ $>"TLS_connection" $1', `dnl 2530R$* $| $* $@ $>"TLS_connection" $1') 2531 2532###################################################################### 2533### tls_server: is connection with server "good" enough? 2534### (done in client) 2535### 2536### Parameter: 2537### ${verify} 2538###################################################################### 2539dnl i.e. has the server been authenticated and is encryption active? 2540dnl called from deliver() after STARTTLS command 2541Stls_server 2542ifdef(`_LOCAL_TLS_SERVER_', `dnl 2543R$* $: $1 $| $>"Local_tls_server" $1 2544R$* $| $#$* $#$2 2545R$* $| $* $: $1', `dnl') 2546ifdef(`_ACCESS_TABLE_', `dnl 2547dnl store name of other side 2548R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1 2549R$* $: $1 $| $>D <$&{server_name}> <?> <! TLS_SRV_TAG> <> 2550R$* $| <?>$* $: $1 $| $>A <$&{server_addr}> <?> <! TLS_SRV_TAG> <> 2551dnl do a default lookup: just TLS_SRV_TAG 2552R$* $| <?>$* $: $1 $| <$(access TLS_SRV_TAG`'_TAG_DELIM_ $: ? $)> 2553ifdef(`_ATMPF_', `dnl tempfail? 2554R$* $| <$* _ATMPF_> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."', `dnl') 2555R$* $@ $>"TLS_connection" $1', `dnl 2556R$* $@ $>"TLS_connection" $1') 2557 2558###################################################################### 2559### TLS_connection: is TLS connection "good" enough? 2560### 2561### Parameters: 2562ifdef(`_ACCESS_TABLE_', `dnl 2563### ${verify} $| <Requirement> [<>]', `dnl 2564### ${verify}') 2565### Requirement: RHS from access map, may be ? for none. 2566dnl syntax for Requirement: 2567dnl [(PERM|TEMP)+] (VERIFY[:bits]|ENCR:bits) [+extensions] 2568dnl extensions: could be a list of further requirements 2569dnl for now: CN:string {cn_subject} == string 2570###################################################################### 2571STLS_connection 2572ifdef(`_ACCESS_TABLE_', `dnl', `dnl use default error 2573dnl deal with TLS handshake failures: abort 2574RSOFTWARE $#error $@ ifdef(`TLS_PERM_ERR', `5.7.0', `4.7.0') $: "ifdef(`TLS_PERM_ERR', `503', `403') TLS handshake." 2575divert(-1)') 2576dnl common ruleset for tls_{client|server} 2577dnl input: ${verify} $| <ResultOfLookup> [<>] 2578dnl remove optional <> 2579R$* $| <$*>$* $: $1 $| <$2> 2580dnl workspace: ${verify} $| <ResultOfLookup> 2581# create the appropriate error codes 2582dnl permanent or temporary error? 2583R$* $| <PERM + $={tls} $*> $: $1 $| <503:5.7.0> <$2 $3> 2584R$* $| <TEMP + $={tls} $*> $: $1 $| <403:4.7.0> <$2 $3> 2585dnl default case depends on TLS_PERM_ERR 2586R$* $| <$={tls} $*> $: $1 $| <ifdef(`TLS_PERM_ERR', `503:5.7.0', `403:4.7.0')> <$2 $3> 2587dnl workspace: ${verify} $| [<SMTP:ESC>] <ResultOfLookup> 2588# deal with TLS handshake failures: abort 2589RSOFTWARE $| <$-:$+> $* $#error $@ $2 $: $1 " TLS handshake failed." 2590dnl no <reply:dns> i.e. not requirements in the access map 2591dnl use default error 2592RSOFTWARE $| $* $#error $@ ifdef(`TLS_PERM_ERR', `5.7.0', `4.7.0') $: "ifdef(`TLS_PERM_ERR', `503', `403') TLS handshake failed." 2593R$* $| <$*> <VERIFY> $: <$2> <VERIFY> <> $1 2594dnl separate optional requirements 2595R$* $| <$*> <VERIFY + $+> $: <$2> <VERIFY> <$3> $1 2596R$* $| <$*> <$={tls}:$->$* $: <$2> <$3:$4> <> $1 2597dnl separate optional requirements 2598R$* $| <$*> <$={tls}:$- + $+>$* $: <$2> <$3:$4> <$5> $1 2599dnl some other value in access map: accept 2600dnl this also allows to override the default case (if used) 2601R$* $| $* $@ OK 2602# authentication required: give appropriate error 2603# other side did authenticate (via STARTTLS) 2604dnl workspace: <SMTP:ESC> <{VERIFY,ENCR}[:BITS]> <[extensions]> ${verify} 2605dnl only verification required and it succeeded 2606R<$*><VERIFY> <> OK $@ OK 2607dnl verification required and it succeeded but extensions are given 2608dnl change it to <SMTP:ESC> <REQ:0> <extensions> 2609R<$*><VERIFY> <$+> OK $: <$1> <REQ:0> <$2> 2610dnl verification required + some level of encryption 2611R<$*><VERIFY:$-> <$*> OK $: <$1> <REQ:$2> <$3> 2612dnl just some level of encryption required 2613R<$*><ENCR:$-> <$*> $* $: <$1> <REQ:$2> <$3> 2614dnl workspace: 2615dnl 1. <SMTP:ESC> <VERIFY [:bits]> <[extensions]> {verify} (!= OK) 2616dnl 2. <SMTP:ESC> <REQ:bits> <[extensions]> 2617dnl verification required but ${verify} is not set (case 1.) 2618R<$-:$+><VERIFY $*> <$*> $#error $@ $2 $: $1 " authentication required" 2619R<$-:$+><VERIFY $*> <$*> FAIL $#error $@ $2 $: $1 " authentication failed" 2620R<$-:$+><VERIFY $*> <$*> NO $#error $@ $2 $: $1 " not authenticated" 2621R<$-:$+><VERIFY $*> <$*> NOT $#error $@ $2 $: $1 " no authentication requested" 2622R<$-:$+><VERIFY $*> <$*> NONE $#error $@ $2 $: $1 " other side does not support STARTTLS" 2623dnl some other value for ${verify} 2624R<$-:$+><VERIFY $*> <$*> $+ $#error $@ $2 $: $1 " authentication failure " $4 2625dnl some level of encryption required: get the maximum level (case 2.) 2626R<$*><REQ:$-> <$*> $: <$1> <REQ:$2> <$3> $>max $&{cipher_bits} : $&{auth_ssf} 2627dnl compare required bits with actual bits 2628R<$*><REQ:$-> <$*> $- $: <$1> <$2:$4> <$3> $(arith l $@ $4 $@ $2 $) 2629R<$-:$+><$-:$-> <$*> TRUE $#error $@ $2 $: $1 " encryption too weak " $4 " less than " $3 2630dnl strength requirements fulfilled 2631dnl TLS Additional Requirements Separator 2632dnl this should be something which does not appear in the extensions itself 2633dnl @ could be part of a CN, DN, etc... 2634dnl use < > ? those are encoded in CN, DN, ... 2635define(`_TLS_ARS_', `++')dnl 2636dnl workspace: 2637dnl <SMTP:ESC> <REQ:bits> <extensions> result-of-compare 2638R<$-:$+><$-:$-> <$*> $* $: <$1:$2 _TLS_ARS_ $5> 2639dnl workspace: <SMTP:ESC _TLS_ARS_ extensions> 2640dnl continue: check extensions 2641R<$-:$+ _TLS_ARS_ > $@ OK 2642dnl split extensions into own list 2643R<$-:$+ _TLS_ARS_ $+ > $: <$1:$2> <$3> 2644R<$-:$+> < $+ _TLS_ARS_ $+ > <$1:$2> <$3> <$4> 2645R<$-:$+> $+ $@ $>"TLS_req" $3 $| <$1:$2> 2646 2647###################################################################### 2648### TLS_req: check additional TLS requirements 2649### 2650### Parameters: [<list> <of> <req>] $| <$-:$+> 2651### $-: SMTP reply code 2652### $+: Enhanced Status Code 2653dnl further requirements for this ruleset: 2654dnl name of "other side" is stored is {TLS_name} (client/server_name) 2655dnl 2656dnl currently only CN[:common_name] is implemented 2657dnl right now this is only a logical AND 2658dnl i.e. all requirements must be true 2659dnl how about an OR? CN must be X or CN must be Y or .. 2660dnl use a macro to compute this as a trivial sequential 2661dnl operations (no precedences etc)? 2662###################################################################### 2663STLS_req 2664dnl no additional requirements: ok 2665R $| $+ $@ OK 2666dnl require CN: but no CN specified: use name of other side 2667R<CN> $* $| <$+> $: <CN:$&{TLS_Name}> $1 $| <$2> 2668dnl match, check rest 2669R<CN:$&{cn_subject}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2> 2670dnl CN does not match 2671dnl 1 2 3 4 2672R<CN:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " CN " $&{cn_subject} " does not match " $1 2673dnl cert subject 2674R<CS:$&{cert_subject}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2> 2675dnl CS does not match 2676dnl 1 2 3 4 2677R<CS:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " CERT Subject " $&{cert_subject} " does not match " $1 2678dnl match, check rest 2679R<CI:$&{cert_issuer}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2> 2680dnl CI does not match 2681dnl 1 2 3 4 2682R<CI:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " CERT Issuer " $&{cert_issuer} " does not match " $1 2683dnl return from recursive call 2684ROK $@ OK 2685 2686###################################################################### 2687### max: return the maximum of two values separated by : 2688### 2689### Parameters: [$-]:[$-] 2690###################################################################### 2691Smax 2692R: $: 0 2693R:$- $: $1 2694R$-: $: $1 2695R$-:$- $: $(arith l $@ $1 $@ $2 $) : $1 : $2 2696RTRUE:$-:$- $: $2 2697R$-:$-:$- $: $2 2698dnl endif _ACCESS_TABLE_ 2699divert(0) 2700 2701###################################################################### 2702### RelayTLS: allow relaying based on TLS authentication 2703### 2704### Parameters: 2705### none 2706###################################################################### 2707SRelayTLS 2708# authenticated? 2709dnl we do not allow relaying for anyone who can present a cert 2710dnl signed by a "trusted" CA. For example, even if we put verisigns 2711dnl CA in CERTPath so we can authenticate users, we do not allow 2712dnl them to abuse our server (they might be easier to get hold of, 2713dnl but anyway). 2714dnl so here is the trick: if the verification succeeded 2715dnl we look up the cert issuer in the access map 2716dnl (maybe after extracting a part with a regular expression) 2717dnl if this returns RELAY we relay without further questions 2718dnl if it returns SUBJECT we perform a similar check on the 2719dnl cert subject. 2720ifdef(`_ACCESS_TABLE_', `dnl 2721R$* $: <?> $&{verify} 2722R<?> OK $: OK authenticated: continue 2723R<?> $* $@ NO not authenticated 2724ifdef(`_CERT_REGEX_ISSUER_', `dnl 2725R$* $: $(CERTIssuer $&{cert_issuer} $)', 2726`R$* $: $&{cert_issuer}') 2727R$+ $: $(access CERTISSUER`'_TAG_DELIM_`'$1 $) 2728dnl use $# to stop further checks (delay_check) 2729RRELAY $# RELAY 2730ifdef(`_CERT_REGEX_SUBJECT_', `dnl 2731RSUBJECT $: <@> $(CERTSubject $&{cert_subject} $)', 2732`RSUBJECT $: <@> $&{cert_subject}') 2733R<@> $+ $: <@> $(access CERTSUBJECT`'_TAG_DELIM_`'$1 $) 2734R<@> RELAY $# RELAY 2735R$* $: NO', `dnl') 2736 2737###################################################################### 2738### authinfo: lookup authinfo in the access map 2739### 2740### Parameters: 2741### $1: {server_name} 2742### $2: {server_addr} 2743dnl both are currently ignored 2744dnl if it should be done via another map, we either need to restrict 2745dnl functionality (it calls D and A) or copy those rulesets (or add another 2746dnl parameter which I want to avoid, it's quite complex already) 2747###################################################################### 2748dnl omit this ruleset if neither is defined? 2749dnl it causes DefaultAuthInfo to be ignored 2750dnl (which may be considered a good thing). 2751Sauthinfo 2752ifdef(`_AUTHINFO_TABLE_', `dnl 2753R$* $: <$(authinfo AuthInfo:$&{server_name} $: ? $)> 2754R<?> $: <$(authinfo AuthInfo:$&{server_addr} $: ? $)> 2755R<?> $: <$(authinfo AuthInfo: $: ? $)> 2756R<?> $@ no no authinfo available 2757R<$*> $# $1 2758dnl', `dnl 2759ifdef(`_ACCESS_TABLE_', `dnl 2760R$* $: $1 $| $>D <$&{server_name}> <?> <! AuthInfo> <> 2761R$* $| <?>$* $: $1 $| $>A <$&{server_addr}> <?> <! AuthInfo> <> 2762R$* $| <?>$* $: $1 $| <$(access AuthInfo`'_TAG_DELIM_ $: ? $)> <> 2763R$* $| <?>$* $@ no no authinfo available 2764R$* $| <$*> <> $# $2 2765dnl', `dnl')') 2766 2767undivert(9)dnl LOCAL_RULESETS 2768# 2769###################################################################### 2770###################################################################### 2771##### 2772`##### MAIL FILTER DEFINITIONS' 2773##### 2774###################################################################### 2775###################################################################### 2776_MAIL_FILTERS_ 2777# 2778###################################################################### 2779###################################################################### 2780##### 2781`##### MAILER DEFINITIONS' 2782##### 2783###################################################################### 2784###################################################################### 2785undivert(7)dnl MAILER_DEFINITIONS 2786 2787