Mercurial > dnsbl
annotate dnsbl.conf @ 426:beda588f2881 stable-6-0-60
include sample dkim config
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Fri, 18 Aug 2017 09:39:31 -0700 |
| parents | 1b7a785610f5 |
| children | f3f1ece619ba |
| 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"; | |
|
270
f92f24950bd3
Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists
Carl Byington <carl@five-ten-sg.com>
parents:
268
diff
changeset
|
9 uribl multi.surbl.org "Mail containing %s rejected - surbl; see http://www.surbl.org/surbl-analysis?d=%s"; |
|
259
be939802c64e
add recipient rate limits by email from address or domain
Carl Byington <carl@five-ten-sg.com>
parents:
255
diff
changeset
|
10 #uribl multi.uribl.com "Mail containing %s rejected - uribl; see http://l.uribl.com/?d=%s"; |
|
270
f92f24950bd3
Use mozilla prefix list for tld checking, Enable surbl/uribl/dbl rhs lists
Carl Byington <carl@five-ten-sg.com>
parents:
268
diff
changeset
|
11 #uribl dbl.spamhaus.org "Mail containing %s rejected - dbl; see http://www.spamhaus.org/query/domain?domain=%s"; |
| 127 | 12 ignore { include "hosts-ignore.conf"; }; |
| 13 tld { include "tld.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 | |
|
278
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
25 // backscatter prevention - do not send bounces for mail that we accepted but could not forward |
| 127 | 26 // we only send bounces to our own customers |
| 27 env_from unknown { | |
| 28 "<>" black; | |
| 29 }; | |
| 136 | 30 |
|
278
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
31 // hourly recipient rate limit by smtp auth client id, or unauthenticated mail from address |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
32 // hourly unique ip addresses by smtp auth client id, or unauthenticated mail from address |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
33 // default hourly rate limit is 30 |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
34 // daily rate limits are 4 times the hourly limit |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
35 // default hourly unique ip addresses is 5 |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
36 // daily unique ip addresses are 4 times the hourly limit |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
37 rate_limit 30 4 5 4 { // default |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
38 fred 100 10; // override default limits |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
39 joe 10 2; // "" |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
40 "sam@somedomain.tld" 500 2; |
|
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
41 "@otherdomain.tld" 100 2; |
| 136 | 42 }; |
| 127 | 43 }; |
| 44 | |
| 94 | 45 context main { |
| 136 | 46 dnsbl localp partial.blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s"; |
| 94 | 47 dnsbl local blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s"; |
| 174 | 48 dnsbl sbl zen.spamhaus.org "Mail from %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s"; |
| 94 | 49 dnsbl xbl xbl.spamhaus.org "Mail from %s rejected - xbl; see http://www.spamhaus.org/query/bl?ip=%s"; |
| 249 | 50 dnswl dnswl.org list.dnswl.org 2; |
| 171 | 51 dnsbl_list local sbl; |
| 249 | 52 dnswl_list dnswl.org; |
|
268
f941563c2a95
Add require_rdns checking
Carl Byington <carl@five-ten-sg.com>
parents:
263
diff
changeset
|
53 require_rdns yes; |
| 94 | 54 |
| 55 content on { | |
|
322
9f8411f3919c
add dkim white/black listing
Carl Byington <carl@five-ten-sg.com>
parents:
321
diff
changeset
|
56 dkim_signer { |
|
330
b5b93a7e1e6d
ignore envelope-from based whitelisting if we have a dkim requirement for that domain
Carl Byington <carl@five-ten-sg.com>
parents:
322
diff
changeset
|
57 // we could add consumer facing domains like yahoo.com, aol.com, etc |
|
b5b93a7e1e6d
ignore envelope-from based whitelisting if we have a dkim requirement for that domain
Carl Byington <carl@five-ten-sg.com>
parents:
322
diff
changeset
|
58 // here, IF you really want to accept all the mail from such folks. |
|
b5b93a7e1e6d
ignore envelope-from based whitelisting if we have a dkim requirement for that domain
Carl Byington <carl@five-ten-sg.com>
parents:
322
diff
changeset
|
59 five-ten-sg.com white; |
|
b5b93a7e1e6d
ignore envelope-from based whitelisting if we have a dkim requirement for that domain
Carl Byington <carl@five-ten-sg.com>
parents:
322
diff
changeset
|
60 some.spammer black; // reject if signed by them |
|
322
9f8411f3919c
add dkim white/black listing
Carl Byington <carl@five-ten-sg.com>
parents:
321
diff
changeset
|
61 }; |
|
9f8411f3919c
add dkim white/black listing
Carl Byington <carl@five-ten-sg.com>
parents:
321
diff
changeset
|
62 |
|
9f8411f3919c
add dkim white/black listing
Carl Byington <carl@five-ten-sg.com>
parents:
321
diff
changeset
|
63 dkim_from { |
|
330
b5b93a7e1e6d
ignore envelope-from based whitelisting if we have a dkim requirement for that domain
Carl Byington <carl@five-ten-sg.com>
parents:
322
diff
changeset
|
64 // cannot really add consumer facing domains like yahoo.com, aol.com, etc |
|
b5b93a7e1e6d
ignore envelope-from based whitelisting if we have a dkim requirement for that domain
Carl Byington <carl@five-ten-sg.com>
parents:
322
diff
changeset
|
65 // here, since such messages from humans might be sent via mailing lists |
|
b5b93a7e1e6d
ignore envelope-from based whitelisting if we have a dkim requirement for that domain
Carl Byington <carl@five-ten-sg.com>
parents:
322
diff
changeset
|
66 // that will break the dkim signature. But this works well for commonly |
|
b5b93a7e1e6d
ignore envelope-from based whitelisting if we have a dkim requirement for that domain
Carl Byington <carl@five-ten-sg.com>
parents:
322
diff
changeset
|
67 // forged bulk senders like ebay and paypal. |
|
425
1b7a785610f5
hosts-ignore.conf can be used to ignore nameserver names
Carl Byington <carl@five-ten-sg.com>
parents:
350
diff
changeset
|
68 include "dnsbl.dkim.conf"; |
|
322
9f8411f3919c
add dkim white/black listing
Carl Byington <carl@five-ten-sg.com>
parents:
321
diff
changeset
|
69 }; |
| 94 | 70 filter sbl-xbl.spamhaus.org "Mail containing %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s"; |
|
278
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
71 uribl multi.surbl.org "Mail containing %s rejected - surbl; see http://www.surbl.org/surbl-analysis?d=%s"; |
|
259
be939802c64e
add recipient rate limits by email from address or domain
Carl Byington <carl@five-ten-sg.com>
parents:
255
diff
changeset
|
72 #uribl multi.uribl.com "Mail containing %s rejected - uribl; see http://l.uribl.com/?d=%s"; |
|
278
368572c57013
add limits on unique ip addresses per hour per authenticated user
Carl Byington <carl@five-ten-sg.com>
parents:
270
diff
changeset
|
73 #uribl dbl.spamhaus.org "Mail containing %s rejected - dbl; see http://www.spamhaus.org/query/domain?domain=%s"; |
| 94 | 74 ignore { include "hosts-ignore.conf"; }; |
| 75 tld { include "tld.conf"; }; | |
| 119 | 76 html_tags { include "html-tags.conf"; }; |
| 94 | 77 html_limit off; |
| 78 host_limit soft 20; | |
| 178 | 79 spamassassin 5; |
| 80 require_match yes; | |
| 81 dcc_greylist yes; | |
| 82 dcc_bulk_threshold 20; | |
| 94 | 83 }; |
| 84 | |
|
298
4dd677e3b509
add linode.com to generic regex
Carl Byington <carl@five-ten-sg.com>
parents:
278
diff
changeset
|
85 generic "^li.*members.linode.com$|^dsl.static.*ttnet.net.tr$|(^|[x.-])(ppp|h|host)?([0-9]{1,3}[x.-](Red-|dynamic[x.-])?){4}" |
| 168 | 86 "your mail server %s seems to have a generic name"; |
| 87 | |
|
233
5c3e9bf45bb5
Add whitelisting by regex expression filtering.
Carl Byington <carl@five-ten-sg.com>
parents:
216
diff
changeset
|
88 white_regex "=example.com=user@yourhostingaccount.com$"; |
|
5c3e9bf45bb5
Add whitelisting by regex expression filtering.
Carl Byington <carl@five-ten-sg.com>
parents:
216
diff
changeset
|
89 |
| 94 | 90 env_to { |
|
100
63e8633abc34
allow empty env_to at global context to remove all restrictions on child contexts
carl
parents:
94
diff
changeset
|
91 # !! replace this with your domain names |
|
63e8633abc34
allow empty env_to at global context to remove all restrictions on child contexts
carl
parents:
94
diff
changeset
|
92 # child contexts are not allowed to specify recipient addresses outside these domains |
| 179 | 93 # if this is a backup-mx, you need to include here domains for which you relay to the primary mx |
| 174 | 94 include "/etc/mail/local-host-names"; |
| 94 | 95 }; |
| 96 | |
| 97 context whitelist { | |
| 98 content off {}; | |
| 99 env_to { | |
| 100 # dcc_to ok { include "/var/dcc/whitecommon"; }; | |
| 101 }; | |
| 102 env_from white {}; # white forces all unmatched from addresses (everyone in this case) to be whitelisted | |
| 103 # so all mail TO these env_to addresses is accepted | |
| 104 }; | |
| 105 | |
| 106 context abuse { | |
| 107 dnsbl_list xbl; | |
| 108 content off {}; | |
| 174 | 109 generic "^$ " " "; # regex cannot match, to disable generic rdns rejects |
| 94 | 110 env_to { |
| 111 abuse@ # no content filtering on abuse reports | |
| 112 postmaster@ # "" | |
| 113 }; | |
| 114 env_from unknown {}; # ignore all parent white/black listing | |
| 115 }; | |
| 116 | |
| 117 context minimal { | |
| 171 | 118 dnsbl_list sbl; |
| 178 | 119 content on { |
| 120 spamassassin 10; | |
| 121 dcc_bulk_threshold many; | |
| 122 }; | |
| 171 | 123 generic "^$ " " "; # regex cannot match, to disable generic rdns rejects |
| 94 | 124 env_to { |
| 125 }; | |
| 126 }; | |
| 127 | |
| 128 context blacklist { | |
|
255
d6d5c50b9278
Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits.
Carl Byington <carl@five-ten-sg.com>
parents:
249
diff
changeset
|
129 dnsbl_list ; |
|
d6d5c50b9278
Allow dnswl_list and dnsbl_list to be empty, to override lists specified in the ancestor contexts. Add daily recipient limits as a multiple of the hourly limits.
Carl Byington <carl@five-ten-sg.com>
parents:
249
diff
changeset
|
130 dnswl_list ; |
| 94 | 131 env_to { |
| 132 # dcc_to many { include "/var/dcc/whitecommon"; }; | |
| 133 }; | |
| 134 env_from black {}; # black forces all unmatched from addresses (everyone in this case) to be blacklisted | |
| 135 # so all mail TO these env_to addresses is rejected | |
| 136 }; | |
| 137 | |
| 138 env_from unknown { | |
| 139 abuse@ abuse; # replies to abuse reports use the abuse context | |
| 140 # dcc_from { include "/var/dcc/whitecommon"; }; | |
| 141 }; | |
| 153 | 142 |
|
167
9b129ed78d7d
actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents:
165
diff
changeset
|
143 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
|
144 # install should create /etc/dnsbl/autowhite writable by userid dnsbl |
| 94 | 145 }; |
| 146 |