Mercurial > dnsbl
annotate dnsbl.conf @ 236:c0d2e99c0a1d
Add surbl checks on the smtp helo value, client reverse dns name, and mail from domain name
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Tue, 29 Sep 2009 11:36:15 -0700 |
| parents | 5c3e9bf45bb5 |
| children | 15bf4f68a0b2 |
| rev | line source |
|---|---|
| 127 | 1 context main-default { |
| 2 // outbound dnsbl filtering to catch our own customers that end up on the sbl | |
| 3 dnsbl sbl sbl-xbl.spamhaus.org "Mail from %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s"; | |
| 174 | 4 dnsbl_list sbl; |
| 127 | 5 |
| 6 // outbound content filtering to prevent our own customers from sending spam | |
| 7 content on { | |
| 8 filter sbl-xbl.spamhaus.org "Mail containing %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s"; | |
| 9 uribl multi.surbl.org "Mail containing %s rejected - surbl; see http://www.rulesemporium.com/cgi-bin/uribl.cgi?bl0=1&domain0=%s"; | |
| 10 #uribl black.uribl.com "Mail containing %s rejected - uribl; see http://l.uribl.com/?d=%s"; | |
| 11 ignore { include "hosts-ignore.conf"; }; | |
| 12 tld { include "tld.conf"; }; | |
| 13 cctld { include "cctld.conf"; }; | |
| 14 html_tags { include "html-tags.conf"; }; | |
| 15 html_limit on 20 "Mail containing excessive bad html tags rejected"; | |
| 16 html_limit off; | |
| 17 host_limit on 20 "Mail containing excessive host names rejected"; | |
| 18 host_limit soft 20; | |
| 178 | 19 spamassassin 4; |
| 20 require_match yes; | |
| 21 dcc_greylist yes; | |
| 22 dcc_bulk_threshold 50; | |
| 127 | 23 }; |
| 24 | |
| 25 // backscatter prevention - don't send bounces for mail that we accepted but could not forward | |
| 26 // we only send bounces to our own customers | |
| 27 env_from unknown { | |
| 28 "<>" black; | |
| 29 }; | |
| 136 | 30 |
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allow parent/child to share a fully qualified env_to address
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31 // hourly recipient rate limit by smtp auth client id |
| 140 | 32 rate_limit 30 { // default |
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allow parent/child to share a fully qualified env_to address
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33 #fred 100; // override default limits |
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allow parent/child to share a fully qualified env_to address
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34 #joe 10; // "" |
| 136 | 35 }; |
| 127 | 36 }; |
| 37 | |
| 94 | 38 context main { |
| 136 | 39 dnsbl localp partial.blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s"; |
| 94 | 40 dnsbl local blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s"; |
| 174 | 41 dnsbl sbl zen.spamhaus.org "Mail from %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s"; |
| 94 | 42 dnsbl xbl xbl.spamhaus.org "Mail from %s rejected - xbl; see http://www.spamhaus.org/query/bl?ip=%s"; |
| 171 | 43 dnsbl_list local sbl; |
| 94 | 44 |
| 45 content on { | |
| 46 filter sbl-xbl.spamhaus.org "Mail containing %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s"; | |
| 122 | 47 uribl multi.surbl.org "Mail containing %s rejected - surbl; see http://www.rulesemporium.com/cgi-bin/uribl.cgi?bl0=1&domain0=%s"; |
| 119 | 48 #uribl black.uribl.com "Mail containing %s rejected - uribl; see http://l.uribl.com/?d=%s"; |
| 94 | 49 ignore { include "hosts-ignore.conf"; }; |
| 50 tld { include "tld.conf"; }; | |
| 119 | 51 cctld { include "cctld.conf"; }; |
| 52 html_tags { include "html-tags.conf"; }; | |
| 94 | 53 html_limit off; |
| 54 host_limit soft 20; | |
| 178 | 55 spamassassin 5; |
| 56 require_match yes; | |
| 57 dcc_greylist yes; | |
| 58 dcc_bulk_threshold 20; | |
| 94 | 59 }; |
| 60 | |
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216
784030ac71f1
Never whitelist self addressed mail. Changes for Fedora 10 and const correctness.
Carl Byington <carl@five-ten-sg.com>
parents:
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61 generic "^dsl.static.*ttnet.net.tr$|(^|[x.-])(ppp|h|host)?([0-9]{1,3}[x.-](Red-|dynamic[x.-])?){4}" |
| 168 | 62 "your mail server %s seems to have a generic name"; |
| 63 | |
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5c3e9bf45bb5
Add whitelisting by regex expression filtering.
Carl Byington <carl@five-ten-sg.com>
parents:
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64 white_regex "=example.com=user@yourhostingaccount.com$"; |
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5c3e9bf45bb5
Add whitelisting by regex expression filtering.
Carl Byington <carl@five-ten-sg.com>
parents:
216
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65 |
| 94 | 66 env_to { |
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allow empty env_to at global context to remove all restrictions on child contexts
carl
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67 # !! replace this with your domain names |
|
63e8633abc34
allow empty env_to at global context to remove all restrictions on child contexts
carl
parents:
94
diff
changeset
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68 # child contexts are not allowed to specify recipient addresses outside these domains |
| 179 | 69 # if this is a backup-mx, you need to include here domains for which you relay to the primary mx |
| 174 | 70 include "/etc/mail/local-host-names"; |
| 94 | 71 }; |
| 72 | |
| 73 context whitelist { | |
| 74 content off {}; | |
| 75 env_to { | |
| 76 # dcc_to ok { include "/var/dcc/whitecommon"; }; | |
| 77 }; | |
| 78 env_from white {}; # white forces all unmatched from addresses (everyone in this case) to be whitelisted | |
| 79 # so all mail TO these env_to addresses is accepted | |
| 80 }; | |
| 81 | |
| 82 context abuse { | |
| 83 dnsbl_list xbl; | |
| 84 content off {}; | |
| 174 | 85 generic "^$ " " "; # regex cannot match, to disable generic rdns rejects |
| 94 | 86 env_to { |
| 87 abuse@ # no content filtering on abuse reports | |
| 88 postmaster@ # "" | |
| 89 }; | |
| 90 env_from unknown {}; # ignore all parent white/black listing | |
| 91 }; | |
| 92 | |
| 93 context minimal { | |
| 171 | 94 dnsbl_list sbl; |
| 178 | 95 content on { |
| 96 spamassassin 10; | |
| 97 dcc_bulk_threshold many; | |
| 98 }; | |
| 171 | 99 generic "^$ " " "; # regex cannot match, to disable generic rdns rejects |
| 94 | 100 env_to { |
| 101 }; | |
| 102 }; | |
| 103 | |
| 104 context blacklist { | |
| 105 env_to { | |
| 106 # dcc_to many { include "/var/dcc/whitecommon"; }; | |
| 107 }; | |
| 108 env_from black {}; # black forces all unmatched from addresses (everyone in this case) to be blacklisted | |
| 109 # so all mail TO these env_to addresses is rejected | |
| 110 }; | |
| 111 | |
| 112 env_from unknown { | |
| 113 abuse@ abuse; # replies to abuse reports use the abuse context | |
| 114 # dcc_from { include "/var/dcc/whitecommon"; }; | |
| 115 }; | |
| 153 | 116 |
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167
9b129ed78d7d
actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents:
165
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117 autowhite 90 "autowhite/my-auto-whitelist"; |
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9b129ed78d7d
actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents:
165
diff
changeset
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118 # install should create /etc/dnsbl/autowhite writable by userid dnsbl |
| 94 | 119 }; |
| 120 |