xref: /freebsd/contrib/sendmail/cf/feature/enhdnsbl.m4 (revision f0adf7f5cdd241db2f2c817683191a6ef64a4e95)
1divert(-1)
2#
3# Copyright (c) 2000-2002 Sendmail, 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(0)
13ifdef(`_EDNSBL_R_',`dnl',`dnl
14VERSIONID(`$Id: enhdnsbl.m4,v 1.9 2002/05/19 21:27:29 gshapiro Exp $')
15LOCAL_CONFIG
16define(`_EDNSBL_R_',`')dnl
17# map for enhanced DNS based blacklist lookups
18Kednsbl dns -R A -a. -T<TMP> -r`'ifdef(`EDNSBL_TO',`EDNSBL_TO',`5')
19')
20divert(-1)
21define(`_EDNSBL_SRV_', `ifelse(len(X`'_ARG_),`1',`blackholes.mail-abuse.org',_ARG_)')dnl
22define(`_EDNSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Rejected: " $`'&{client_addr} " listed at '_EDNSBL_SRV_`"',`_ARG2_')')dnl
23define(`_EDNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_EDNSBL_SRV_`"',`_ARG3_')')dnl
24define(`_EDNSBL_MATCH_', `ifelse(len(X`'_ARG4_),`1',`$`'+',_ARG4_)')dnl
25divert(8)
26# DNS based IP address spam list _EDNSBL_SRV_
27R$*			$: $&{client_addr}
28R$-.$-.$-.$-		$: <?> $(ednsbl $4.$3.$2.$1._EDNSBL_SRV_. $: OK $)
29R<?>OK			$: OKSOFAR
30ifelse(len(X`'_ARG3_),`1',
31`R<?>$+<TMP>		$: TMPOK',
32`R<?>$+<TMP>		$#error $@ 4.7.1 $: _EDNSBL_MSG_TMP_')
33R<?>_EDNSBL_MATCH_	$#error $@ 5.7.1 $: _EDNSBL_MSG_
34ifelse(len(X`'_ARG5_),`1',`dnl',
35`R<?>_ARG5_	$#error $@ 5.7.1 $: _EDNSBL_MSG_')
36ifelse(len(X`'_ARG6_),`1',`dnl',
37`R<?>_ARG6_	$#error $@ 5.7.1 $: _EDNSBL_MSG_')
38ifelse(len(X`'_ARG7_),`1',`dnl',
39`R<?>_ARG7_	$#error $@ 5.7.1 $: _EDNSBL_MSG_')
40ifelse(len(X`'_ARG8_),`1',`dnl',
41`R<?>_ARG8_	$#error $@ 5.7.1 $: _EDNSBL_MSG_')
42ifelse(len(X`'_ARG9_),`1',`dnl',
43`R<?>_ARG9_	$#error $@ 5.7.1 $: _EDNSBL_MSG_')
44divert(-1)
45