dnsbl.m4 revision 64562 
1divert(-1)
2#
3# Copyright (c) 1998, 1999 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(`_DNSBL_R_',`dnl',`dnl
14VERSIONID(`$Id: dnsbl.m4,v 8.18 1999/08/03 04:30:56 gshapiro Exp $')')
15divert(-1)
16define(`_DNSBL_SRV_', `ifelse(len(X`'_ARG_),`1',`rbl.maps.vix.com',_ARG_)')dnl
17define(`_DNSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Mail from " $`'&{client_addr} " refused by blackhole site '_DNSBL_SRV_`"',`_ARG2_')')dnl
18divert(8)
19# DNS based IP address spam list _DNSBL_SRV_
20R$*			$: $&{client_addr}
21R::ffff:$-.$-.$-.$-	$: <?> $(host $4.$3.$2.$1._DNSBL_SRV_. $: OK $)
22R$-.$-.$-.$-		$: <?> $(host $4.$3.$2.$1._DNSBL_SRV_. $: OK $)
23R<?>OK			$: OKSOFAR
24R<?>$+			$#error $@ 5.7.1 $: _DNSBL_MSG_
25divert(-1)
26