enhdnsbl.m4 revision 261363 
1divert(-1)
2#
3# Copyright (c) 2000-2002, 2005-2007 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
12ifelse(defn(`_ARG_'), `', 
13	`errprint(`*** ERROR: missing argument for FEATURE(`enhdnsbl')')')
14divert(0)
15ifdef(`_EDNSBL_R_',`dnl',`dnl
16VERSIONID(`$Id: enhdnsbl.m4,v 1.13 2013/11/22 20:51:11 ca Exp $')
17LOCAL_CONFIG
18define(`_EDNSBL_R_',`')dnl
19# map for enhanced DNS based blacklist lookups
20Kednsbl dns -R A -a. -T<TMP> -r`'ifdef(`EDNSBL_TO',`EDNSBL_TO',`5')
21')
22divert(-1)
23define(`_EDNSBL_SRV_', `_ARG_')dnl
24define(`_EDNSBL_MSG_',
25	`ifelse(len(X`'_ARG2_),`1',`"550 Rejected: " $`'&{client_addr} " listed at '_EDNSBL_SRV_`"',
26		X`'_ARG2_,`Xquarantine',`_EDNSBL_SRV_',
27		`_ARG2_')')dnl
28define(`_EDNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_EDNSBL_SRV_`"',`_ARG3_')')dnl
29define(`_EDNSBL_MATCH_', `ifelse(len(X`'_ARG4_),`1',`$`'+',_ARG4_)')dnl
30define(`_EDNSBL_ACTION_',
31	`ifelse(X`'_ARG2_,`Xquarantine',`$`'#error $`'@ quarantine',
32		X`'_ARG2_,`Xdiscard',`$`'#discard',
33		`$`'#error $`'@ 5.7.1')')dnl
34divert(8)
35# DNS based IP address spam list _EDNSBL_SRV_
36R$*			$: $&{client_addr}
37R$-.$-.$-.$-		$: <?> $(ednsbl $4.$3.$2.$1._EDNSBL_SRV_. $: OK $)
38R<?>OK			$: OKSOFAR
39ifelse(len(X`'_ARG3_),`1',
40`R<?>$+<TMP>		$: TMPOK',
41`R<?>$+<TMP>		$#error $@ 4.4.3 $: _EDNSBL_MSG_TMP_')
42R<?>_EDNSBL_MATCH_	_EDNSBL_ACTION_ $: _EDNSBL_MSG_
43ifelse(len(X`'_ARG5_),`1',`dnl',
44`R<?>_ARG5_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
45ifelse(len(X`'_ARG6_),`1',`dnl',
46`R<?>_ARG6_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
47ifelse(len(X`'_ARG7_),`1',`dnl',
48`R<?>_ARG7_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
49ifelse(len(X`'_ARG8_),`1',`dnl',
50`R<?>_ARG8_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
51ifelse(len(X`'_ARG9_),`1',`dnl',
52`R<?>_ARG9_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
53divert(-1)
54