Import sendmail 8.13.4 into a new contrib directory as the first step
[dragonfly.git] / contrib / sendmail-8.13.4 / cf / feature / dnsbl.m4
1 divert(-1)
2 #
3 # Copyright (c) 1998-2002 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
12 ifdef(`DNSBL_MAP', `', `define(`DNSBL_MAP', `dns -R A')')
13 divert(0)
14 ifdef(`_DNSBL_R_',`dnl',`dnl
15 VERSIONID(`$Id: dnsbl.m4,v 8.29 2002/08/09 21:02:08 ca Exp $')
16 define(`_DNSBL_R_',`')
17 LOCAL_CONFIG
18 # map for DNS based blacklist lookups
19 Kdnsbl DNSBL_MAP -T<TMP>ifdef(`DNSBL_MAP_OPT',` DNSBL_MAP_OPT')')
20 divert(-1)
21 define(`_DNSBL_SRV_', `ifelse(len(X`'_ARG_),`1',`blackholes.mail-abuse.org',_ARG_)')dnl
22 define(`_DNSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Rejected: " $`'&{client_addr} " listed at '_DNSBL_SRV_`"',`_ARG2_')')dnl
23 define(`_DNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_DNSBL_SRV_`"',`_ARG3_')')dnl
24 divert(8)
25 # DNS based IP address spam list _DNSBL_SRV_
26 R$*                     $: $&{client_addr}
27 R$-.$-.$-.$-            $: <?> $(dnsbl $4.$3.$2.$1._DNSBL_SRV_. $: OK $)
28 R<?>OK                  $: OKSOFAR
29 ifelse(len(X`'_ARG3_),`1',
30 `R<?>$+<TMP>            $: TMPOK',
31 `R<?>$+<TMP>            $#error $@ 4.7.1 $: _DNSBL_MSG_TMP_')
32 R<?>$+                  $#error $@ 5.7.1 $: _DNSBL_MSG_
33 divert(-1)