Mercurial > dnsbl
annotate dnsbl.conf @ 203:92a5c866bdfa
Verify from/to pairs even if they might be explicitly whitelisted.
Document DCC greylisting and bulk detection usage. Fix DCC bulk
thresholds of many. Update spec file for fedora packaging.
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Tue, 04 Mar 2008 21:42:51 -0800 |
| parents | 8b86a894514d |
| children | 784030ac71f1 |
| 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 |
|
144
31ff00ea6bfb
allow parent/child to share a fully qualified env_to address
carl
parents:
140
diff
changeset
|
31 // hourly recipient rate limit by smtp auth client id |
| 140 | 32 rate_limit 30 { // default |
|
144
31ff00ea6bfb
allow parent/child to share a fully qualified env_to address
carl
parents:
140
diff
changeset
|
33 #fred 100; // override default limits |
|
31ff00ea6bfb
allow parent/child to share a fully qualified env_to address
carl
parents:
140
diff
changeset
|
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 | |
|
175
e726e1a61ef9
allow manual whitelisting with stamp 1 to remove a whitelist entry
carl
parents:
174
diff
changeset
|
61 generic "(^|[.-])(ppp|h|host)?([0-9]{1,3}[.-](Red-|dynamic[.-])?){4}" |
| 168 | 62 "your mail server %s seems to have a generic name"; |
| 63 | |
| 94 | 64 env_to { |
|
100
63e8633abc34
allow empty env_to at global context to remove all restrictions on child contexts
carl
parents:
94
diff
changeset
|
65 # !! 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
|
66 # child contexts are not allowed to specify recipient addresses outside these domains |
| 179 | 67 # if this is a backup-mx, you need to include here domains for which you relay to the primary mx |
| 174 | 68 include "/etc/mail/local-host-names"; |
| 94 | 69 }; |
| 70 | |
| 71 context whitelist { | |
| 72 content off {}; | |
| 73 env_to { | |
| 74 # dcc_to ok { include "/var/dcc/whitecommon"; }; | |
| 75 }; | |
| 76 env_from white {}; # white forces all unmatched from addresses (everyone in this case) to be whitelisted | |
| 77 # so all mail TO these env_to addresses is accepted | |
| 78 }; | |
| 79 | |
| 80 context abuse { | |
| 81 dnsbl_list xbl; | |
| 82 content off {}; | |
| 174 | 83 generic "^$ " " "; # regex cannot match, to disable generic rdns rejects |
| 94 | 84 env_to { |
| 85 abuse@ # no content filtering on abuse reports | |
| 86 postmaster@ # "" | |
| 87 }; | |
| 88 env_from unknown {}; # ignore all parent white/black listing | |
| 89 }; | |
| 90 | |
| 91 context minimal { | |
| 171 | 92 dnsbl_list sbl; |
| 178 | 93 content on { |
| 94 spamassassin 10; | |
| 95 dcc_bulk_threshold many; | |
| 96 }; | |
| 171 | 97 generic "^$ " " "; # regex cannot match, to disable generic rdns rejects |
| 94 | 98 env_to { |
| 99 }; | |
| 100 }; | |
| 101 | |
| 102 context blacklist { | |
| 103 env_to { | |
| 104 # dcc_to many { include "/var/dcc/whitecommon"; }; | |
| 105 }; | |
| 106 env_from black {}; # black forces all unmatched from addresses (everyone in this case) to be blacklisted | |
| 107 # so all mail TO these env_to addresses is rejected | |
| 108 }; | |
| 109 | |
| 110 env_from unknown { | |
| 111 abuse@ abuse; # replies to abuse reports use the abuse context | |
| 112 # dcc_from { include "/var/dcc/whitecommon"; }; | |
| 113 }; | |
| 153 | 114 |
|
167
9b129ed78d7d
actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents:
165
diff
changeset
|
115 autowhite 90 "autowhite/my-auto-whitelist"; |
|
9b129ed78d7d
actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents:
165
diff
changeset
|
116 # install should create /etc/dnsbl/autowhite writable by userid dnsbl |
| 94 | 117 }; |
| 118 |