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 blocklist lookups 20Kednsbl dns -R A -T<TMP> -z -Z32 -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 $: _EDNSBL_MSG_TMP_') 42R<?>$* patsubst(_EDNSBL_MATCH_, `\.$', `') $* _EDNSBL_ACTION_ $: _EDNSBL_MSG_ 43ifelse(len(X`'_ARG5_),`1',`dnl', 44`R<?>$* patsubst(_ARG5_, `\.$', `') $* _EDNSBL_ACTION_ $: _EDNSBL_MSG_') 45ifelse(len(X`'_ARG6_),`1',`dnl', 46`R<?>$* patsubst(_ARG6_, `\.$', `') $* _EDNSBL_ACTION_ $: _EDNSBL_MSG_') 47ifelse(len(X`'_ARG7_),`1',`dnl', 48`R<?>$* patsubst(_ARG7_, `\.$', `') $* _EDNSBL_ACTION_ $: _EDNSBL_MSG_') 49ifelse(len(X`'_ARG8_),`1',`dnl', 50`R<?>$* patsubst(_ARG8_, `\.$', `') $* _EDNSBL_ACTION_ $: _EDNSBL_MSG_') 51ifelse(len(X`'_ARG9_),`1',`dnl', 52`R<?>$* patsubst(_ARG9_, `\.$', `') $* _EDNSBL_ACTION_ $: _EDNSBL_MSG_') 53divert(-1) 54