33 lines
1.2 KiB
Plaintext
33 lines
1.2 KiB
Plaintext
divert(-1)
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#
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# Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.
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# All rights reserved.
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#
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# By using this file, you agree to the terms and conditions set
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# forth in the LICENSE file which can be found at the top level of
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# the sendmail distribution.
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#
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#
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divert(0)
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ifdef(`_DNSBL_R_',`dnl',`dnl
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VERSIONID(`$Id: dnsbl.m4,v 1.1.1.3 2002/02/17 21:56:44 gshapiro Exp $')
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define(`_DNSBL_R_',`')
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LOCAL_CONFIG
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# map for DNS based blacklist lookups
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Kdnsbl host -T<TMP>ifdef(`DNSBL_MAP_OPT',` DNSBL_MAP_OPT')')
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divert(-1)
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define(`_DNSBL_SRV_', `ifelse(len(X`'_ARG_),`1',`blackholes.mail-abuse.org',_ARG_)')dnl
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define(`_DNSBL_MSG_', `ifelse(len(X`'_ARG2_),`1',`"550 Mail from " $`'&{client_addr} " refused by blackhole site '_DNSBL_SRV_`"',`_ARG2_')')dnl
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define(`_DNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_DNSBL_SRV_`"',`_ARG3_')')dnl
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divert(8)
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# DNS based IP address spam list _DNSBL_SRV_
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R$* $: $&{client_addr}
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R$-.$-.$-.$- $: <?> $(dnsbl $4.$3.$2.$1._DNSBL_SRV_. $: OK $)
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R<?>OK $: OKSOFAR
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ifelse(len(X`'_ARG3_),`1',
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`R<?>$+<TMP> $: TMPOK',
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`R<?>$+<TMP> $#error $@ 4.7.1 $: _DNSBL_MSG_TMP_')
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R<?>$+ $#error $@ 5.7.1 $: _DNSBL_MSG_
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divert(-1)
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