annotate dnsbl.conf @ 298:4dd677e3b509

add linode.com to generic regex
author Carl Byington <carl@five-ten-sg.com>
date Tue, 09 Sep 2014 12:30:26 -0700
parents 368572c57013
children e172dc10fe24
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
1 context main-default {
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
2 // outbound dnsbl filtering to catch our own customers that end up on the sbl
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
3 dnsbl sbl sbl-xbl.spamhaus.org "Mail from %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s";
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 172
diff changeset
4 dnsbl_list sbl;
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
5
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
6 // outbound content filtering to prevent our own customers from sending spam
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
7 content on {
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
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
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
12 ignore { include "hosts-ignore.conf"; };
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
13 tld { include "tld.conf"; };
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
14 html_tags { include "html-tags.conf"; };
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
15 html_limit on 20 "Mail containing excessive bad html tags rejected";
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
16 html_limit off;
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
17 host_limit on 20 "Mail containing excessive host names rejected";
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
18 host_limit soft 20;
178
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
19 spamassassin 4;
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
20 require_match yes;
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
21 dcc_greylist yes;
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
22 dcc_bulk_threshold 50;
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
23 };
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
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
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
26 // we only send bounces to our own customers
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
27 env_from unknown {
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
28 "<>" black;
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
29 };
136
f4746d8a12a3 add smtp auth rate limits
carl
parents: 127
diff changeset
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
f4746d8a12a3 add smtp auth rate limits
carl
parents: 127
diff changeset
42 };
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
43 };
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 122
diff changeset
44
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
45 context main {
136
f4746d8a12a3 add smtp auth rate limits
carl
parents: 127
diff changeset
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
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
47 dnsbl local blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s";
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 172
diff changeset
48 dnsbl sbl zen.spamhaus.org "Mail from %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s";
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
49 dnsbl xbl xbl.spamhaus.org "Mail from %s rejected - xbl; see http://www.spamhaus.org/query/bl?ip=%s";
249
15bf4f68a0b2 Add dnswl support
Carl Byington <carl@five-ten-sg.com>
parents: 233
diff changeset
50 dnswl dnswl.org list.dnswl.org 2;
171
8deb51871b3d fix pre/post scripts in rpm spec file
carl
parents: 168
diff changeset
51 dnsbl_list local sbl;
249
15bf4f68a0b2 Add dnswl support
Carl Byington <carl@five-ten-sg.com>
parents: 233
diff changeset
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
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
54
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
55 content on {
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
56 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
57 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
58 #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
59 #uribl dbl.spamhaus.org "Mail containing %s rejected - dbl; see http://www.spamhaus.org/query/domain?domain=%s";
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
60 ignore { include "hosts-ignore.conf"; };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
61 tld { include "tld.conf"; };
119
d9d2f8699621 uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 117
diff changeset
62 html_tags { include "html-tags.conf"; };
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
63 html_limit off;
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
64 host_limit soft 20;
178
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
65 spamassassin 5;
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
66 require_match yes;
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
67 dcc_greylist yes;
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
68 dcc_bulk_threshold 20;
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
69 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
70
298
4dd677e3b509 add linode.com to generic regex
Carl Byington <carl@five-ten-sg.com>
parents: 278
diff changeset
71 generic "^li.*members.linode.com$|^dsl.static.*ttnet.net.tr$|(^|[x.-])(ppp|h|host)?([0-9]{1,3}[x.-](Red-|dynamic[x.-])?){4}"
168
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
72 "your mail server %s seems to have a generic name";
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
73
233
5c3e9bf45bb5 Add whitelisting by regex expression filtering.
Carl Byington <carl@five-ten-sg.com>
parents: 216
diff changeset
74 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
75
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
76 env_to {
100
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
carl
parents: 94
diff changeset
77 # !! 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
78 # child contexts are not allowed to specify recipient addresses outside these domains
179
8b86a894514d embedded dcc filtering
carl
parents: 178
diff changeset
79 # if this is a backup-mx, you need to include here domains for which you relay to the primary mx
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 172
diff changeset
80 include "/etc/mail/local-host-names";
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
81 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
82
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
83 context whitelist {
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
84 content off {};
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
85 env_to {
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
86 # dcc_to ok { include "/var/dcc/whitecommon"; };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
87 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
88 env_from white {}; # white forces all unmatched from addresses (everyone in this case) to be whitelisted
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
89 # so all mail TO these env_to addresses is accepted
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
90 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
91
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
92 context abuse {
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
93 dnsbl_list xbl;
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
94 content off {};
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 172
diff changeset
95 generic "^$ " " "; # regex cannot match, to disable generic rdns rejects
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
96 env_to {
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
97 abuse@ # no content filtering on abuse reports
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
98 postmaster@ # ""
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
99 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
100 env_from unknown {}; # ignore all parent white/black listing
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
101 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
102
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
103 context minimal {
171
8deb51871b3d fix pre/post scripts in rpm spec file
carl
parents: 168
diff changeset
104 dnsbl_list sbl;
178
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
105 content on {
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
106 spamassassin 10;
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
107 dcc_bulk_threshold many;
d6531c702be3 embedded dcc filtering
carl
parents: 175
diff changeset
108 };
171
8deb51871b3d fix pre/post scripts in rpm spec file
carl
parents: 168
diff changeset
109 generic "^$ " " "; # regex cannot match, to disable generic rdns rejects
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
110 env_to {
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
111 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
112 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
113
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
114 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
115 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
116 dnswl_list ;
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
117 env_to {
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
118 # dcc_to many { include "/var/dcc/whitecommon"; };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
119 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
120 env_from black {}; # black forces all unmatched from addresses (everyone in this case) to be blacklisted
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
121 # so all mail TO these env_to addresses is rejected
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
122 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
123
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
124 env_from unknown {
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
125 abuse@ abuse; # replies to abuse reports use the abuse context
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
126 # dcc_from { include "/var/dcc/whitecommon"; };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
127 };
153
8d7c439bb6fa add auto whitelisting
carl
parents: 144
diff changeset
128
167
9b129ed78d7d actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents: 165
diff changeset
129 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
130 # install should create /etc/dnsbl/autowhite writable by userid dnsbl
94
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
131 };
e107ade3b1c0 fix dos line terminators
carl
parents: 92
diff changeset
132