bcc.m4 revision 285229
1divert(-1) 2# 3# Copyright (c) 2014 Proofpoint, Inc. and its suppliers. 4# All rights reserved. 5# 6# By using this file, you agree to the terms and conditions set 7# forth in the LICENSE file which can be found at the top level of 8# the sendmail distribution. 9# 10# 11 12divert(-1) 13# Arguments: 14# 1: Map to use 15# - empty/none: default map bcctable 16# - `access': to use access_db (with bcc: as tag) 17# - map definition 18# The map contains domain names and the RHS should be simply "ok". 19# If the access map is used, then its lookup algorithm is used. 20# Otherwise: 21# domain ok 22# matches anything@domain 23# .domain ok 24# matches any subdomain, e.g., l@sub.domain and l@sub.dom.domain 25# On a match, the original address will be used as bcc address unless 26# argument 3 is set. 27# 2: Name of host ([mailer:]host) 28# 3: Default bcc address: if set, this will be always used. 29# Only one of 2/3 can be empty. 30# Note: if Bcc address is used then only one copy will be sent! 31# (due to duplicate elimination) 32# 4: Map definition for canonicalRcpt map of address rewriting to 33# apply to the added bcc envelope recipients. 34# The option -T<TMPF> is required to handle temporary map failures. 35# 36# The ruleset must return either 37# - an e-mail address (user@dom.ain) which is then added as "bcc" recipient. 38# - an empty string: do not add a "bcc" recipient, or 39# - $#error: fail the SMTP transaction (e.g., temporary lookup failure) 40# 41# This feature sets O AddBcc=true 42 43ifelse(lower(_ARG_),`access',`define(`_BCC_ACCESS_', `1')') 44define(`_ADD_BCC_', `1') 45 46ifdef(`_BCC_ACCESS_', `dnl 47ifdef(`_ACCESS_TABLE_', `', 48 `errprint(`*** ERROR: FEATURE(`bcc') requires FEATURE(`access_db') 49')')') 50 51ifdef(`_BCC_ACCESS_', `', ` 52LOCAL_CONFIG 53Kbcctable ifelse(defn(`_ARG_'), `', DATABASE_MAP_TYPE MAIL_SETTINGS_DIR`bcctable', `_ARG_')') 54 55LOCAL_CONFIG 56O AddBcc=true 57ifelse(len(X`'_ARG2_),`1', `', ` 58DA`'_ARG2_') 59 60ifelse(len(X`'_ARG4_), `1', `', 61`define(`_CANONIFY_BCC_', `1')dnl 62define(`_NEED_SMTPOPMODES_', `1')dnl 63# canonical address look up for AddBcc recipients 64KcanonicalRcpt _ARG4_ 65')dnl 66 67LOCAL_RULESETS 68Sbcc 69R< $+ > $1 70ifdef(`_BCC_ACCESS_', `dnl 71R$+ @ $+ $: $1@$2 $| $>SearchList <! bcc> $| <D:$2> <>', 72`R$+ @ $+ $: $1@$2 $| $>BCC $2') 73R$* $| <?> $@ 74R$* $| $* $: ifelse(len(X`'_ARG3_),`1', `$1', `_ARG3_') 75 76ifdef(`_CANONIFY_BCC_', `dnl 77R$+ @ $+ $: $1@$2 $| <$(canonicalRcpt $1 @ $2 $: $)> 78R$* $| <> $@ 79R$* $| <$* <TMPF>> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later." 80R$* $| <$+> $@ $2 map matched? 81') 82 83 84ifdef(`_BCC_ACCESS_', `', ` 85SBCC 86R$+ $: $1 < $(bcctable $1 $: ? $) > 87R$- . $+ <?> $: $2 < $(bcctable .$2 $: ? $) > 88R$- . $+ <?> $: $>BCC $2 89R$* <$*> $: <$2> 90') 91