164562Sgshapirodivert(-1)
264562Sgshapiro#
3261194Sgshapiro# Copyright (c) 1998-2002, 2005-2007 Proofpoint, Inc. and its suppliers.
464562Sgshapiro#	All rights reserved.
564562Sgshapiro#
664562Sgshapiro# By using this file, you agree to the terms and conditions set
764562Sgshapiro# forth in the LICENSE file which can be found at the top level of
864562Sgshapiro# the sendmail distribution.
964562Sgshapiro#
1064562Sgshapiro#
1164562Sgshapiro
12132943Sgshapiroifdef(`DNSBL_MAP', `', `define(`DNSBL_MAP', `dns -R A')')
1364562Sgshapirodivert(0)
1464562Sgshapiroifdef(`_DNSBL_R_',`dnl',`dnl
15266527SgshapiroVERSIONID(`$Id: dnsbl.m4,v 8.34 2013-11-22 20:51:11 ca Exp $')
1690792Sgshapirodefine(`_DNSBL_R_',`')
17159609Sgshapiroifelse(defn(`_ARG_'), `', 
18159609Sgshapiro	`errprint(`*** ERROR: missing argument for FEATURE(`dnsbl')')')
1990792SgshapiroLOCAL_CONFIG
2090792Sgshapiro# map for DNS based blacklist lookups
2198121SgshapiroKdnsbl DNSBL_MAP -T<TMP>ifdef(`DNSBL_MAP_OPT',` DNSBL_MAP_OPT')')
2264562Sgshapirodivert(-1)
23159609Sgshapirodefine(`_DNSBL_SRV_', `_ARG_')dnl
2498121Sgshapirodefine(`_DNSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Rejected: " $`'&{client_addr} " listed at '_DNSBL_SRV_`"',`_ARG2_')')dnl
2590792Sgshapirodefine(`_DNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_DNSBL_SRV_`"',`_ARG3_')')dnl
2664562Sgshapirodivert(8)
2764562Sgshapiro# DNS based IP address spam list _DNSBL_SRV_
2864562SgshapiroR$*			$: $&{client_addr}
2990792SgshapiroR$-.$-.$-.$-		$: <?> $(dnsbl $4.$3.$2.$1._DNSBL_SRV_. $: OK $)
3064562SgshapiroR<?>OK			$: OKSOFAR
3190792Sgshapiroifelse(len(X`'_ARG3_),`1',
3290792Sgshapiro`R<?>$+<TMP>		$: TMPOK',
33157001Sgshapiro`R<?>$+<TMP>		$#error $@ 4.4.3 $: _DNSBL_MSG_TMP_')
34168515Sgshapiroifelse(`X'_ARG2_,`Xquarantine',
35168515Sgshapiro`R<?>$+		$#error $@ quarantine $: _DNSBL_SRV_',
36168515Sgshapiro`X'_ARG2_,`Xdiscard',
37168515Sgshapiro`R<?>$+		$#discard $: _DNSBL_SRV_',
38168515Sgshapiro`R<?>$+		$#error $@ 5.7.1 $: _DNSBL_MSG_')
3964562Sgshapirodivert(-1)
40