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1 divert(-1) |
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2 |
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3 ############################################################################ |
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4 # NOTICE: Unless your version of sendmail is ancient, use the standard |
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5 # sendmail `FEATURE(dnsbl)' or `FEATURE(enhdnsbl)' and the hackmc script |
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6 # in the DCC source instead of this sendmail `FEATURE' file. |
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7 ############################################################################ |
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8 |
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9 |
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10 # Connect a DNS blacklist such as the RBL+ to the local DCCM daemon and so to |
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11 # a DCC server to report spam to the DCC database. |
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12 # The connection is by the sendmail "dcc_isspam" macro |
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13 # |
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14 # The first and required argument is the domain name of the DNS blacklist |
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15 # The second, optional argument is a log and SMTP status/rejection message. |
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16 # |
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17 # For example, with the following, mail from SMTP clients on the |
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18 # relays.mail-abuse.org list would be rejected as well as reported as |
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19 # extremely bulky to the DCC server: |
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20 # `FEATURE(dccdnsbl, `zen.spamhaus.org', `"Mail from " $`'&{client_addr} " reject to DCC - see http://www.spamhaus.org/zen/"')' |
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21 # |
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22 # (Of course, the outer pair of `' quotes must be removed) |
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23 # |
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24 # The `FEATURE(dccdnsbl)' line should be after the `FEATURE(dcc)' line |
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25 # if the latter is present. |
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26 # |
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27 # If you see error messages from sendmail like "map macro not found", check |
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28 # for the Kmacro definition in cf/m4/proto.m4 and consider the "dnl" comments |
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29 # below. |
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30 |
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31 divert(0) |
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32 VERSIONID(`dccdnsbl.m4 Rhyolite Software DCC 1.3.103-1.18 $Revision$') |
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33 divert(-1) |
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34 |
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35 define(`_DCCDNSBL_SRV_', ifelse(len(X`'_ARG_),`1',`blackholes.mail-abuse.org',`_ARG_')) |
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36 define(`_DCCDNSBL_MSG_', ifelse(len(X`'_ARG2_),`1',`"Mail from " $`'&{client_addr} " refused by blackhole site '_DCCDNSBL_SRV_`"',`_ARG2_')) |
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37 |
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38 dnl Remove the "dnl " strings (including the blanks) from the following 5 lines |
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39 dnl up to the divert(8) line if your version of sendmail does not include |
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40 dnl the Kmacro line by default. |
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41 dnl ifdef(`_DCCDNSBL_DEF_',`dnl',`dnl |
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42 dnl define(_DCCDNSBL_DEF_, 1)dnl |
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43 dnl LOCAL_CONFIG |
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44 dnl `# define macros map to communicate DNS black list results to DCC via dccm' |
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45 dnl Kmacro macro') |
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46 divert(8) |
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47 # DNS based IP address spam list _DCCDNSBL_SRV_ connected to DCCM |
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48 R$* $: $&{client_addr} |
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49 R$-.$-.$-.$- $: <?> $(host $4.$3.$2.$1._DCCDNSBL_SRV_. $: OK $) |
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50 R<?>OK $: OKSOFAR |
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51 R<?>$+<TMP> $: TMPOK |
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52 R<?>$+ $@ $(macro {dcc_isspam} $@ _DCCDNSBL_MSG_ $) TODCC |
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53 divert(-1) |
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54 |
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55 ifdef(`_DCC_DEF_',`',`FEATURE(`dcc')')dnl |
