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annotate ChangeLog @ 193:3ea79ef741a0

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delay autowhitelisting to avoid out of office reply bots
author carl
date Sun, 11 Nov 2007 13:05:41 -0800
parents 8f4a9a37d4d9
children 797299e9fffc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
98
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
parents: 92
diff changeset
1 $Id$
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
parents: 92
diff changeset
2
192
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots
carl
parents: 190
diff changeset
3 6.14 2007-11-11
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots
carl
parents: 190
diff changeset
4 Delay auto whitelisting until we see the headers, to prevent
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots
carl
parents: 190
diff changeset
5 auto whitelisting due to bulk out of office reply bots.
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots
carl
parents: 190
diff changeset
6
187
f0eda59e8afd fix null pointer dereference from missing HELO command
carl
parents: 185
diff changeset
7 6.13 2007-11-10
f0eda59e8afd fix null pointer dereference from missing HELO command
carl
parents: 185
diff changeset
8 HELO command is optional, and if missing caused a null pointer
190
004b855c6c1f fix null pointer dereference from missing HELO command
carl
parents: 189
diff changeset
9 dereference. Use smfi_progress in libmilter if it is available.
187
f0eda59e8afd fix null pointer dereference from missing HELO command
carl
parents: 185
diff changeset
10
185
505283ab296c smtp rejections take precendence over greylisting
carl
parents: 184
diff changeset
11 6.12 2007-10-13
505283ab296c smtp rejections take precendence over greylisting
carl
parents: 184
diff changeset
12 SMTP rejections take precedence over greylisting.
505283ab296c smtp rejections take precendence over greylisting
carl
parents: 184
diff changeset
13
184
0e15a805d295 embedded dcc filtering
carl
parents: 179
diff changeset
14 6.11 2007-10-07
178
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
15 Add DCC filtering via dccifd. Drop to 60 seconds the time we will
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
16 keep idle smtp verify sockets around. This needs to be about half
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
17 the value of confTO_COMMAND configured on the verify targets.
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
18 Fix potential race condition or buffer overflow caused by static
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
19 buffer referenced by multiple threads.
177
a4d313c2460b start embedded dcc filtering
carl
parents: 176
diff changeset
20
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 173
diff changeset
21 6.10 2007-09-23
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 173
diff changeset
22 Don't whitelist addresses with embedded blanks, or the empty
176
4ec928b24bab allow manual whitelisting with stamp 1 to remove a whitelist entry
carl
parents: 174
diff changeset
23 path. Allow manual removal of auto whitelist entries.
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 173
diff changeset
24
173
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
parents: 172
diff changeset
25 6.09 2007-09-06
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
parents: 172
diff changeset
26 Fix memory leak in auto-whitelisting code. Update auto-whitelist
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
parents: 172
diff changeset
27 timestamps when receiving mail from auto-whitelisted senders.
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
parents: 172
diff changeset
28
172
d3189495ec68 don't do generic rdns filtering on whitelisted recipients
carl
parents: 169
diff changeset
29 6.08 2007-08-30
d3189495ec68 don't do generic rdns filtering on whitelisted recipients
carl
parents: 169
diff changeset
30 Don't do generic reverse dns filtering on authenticated connections.
d3189495ec68 don't do generic rdns filtering on whitelisted recipients
carl
parents: 169
diff changeset
31
168
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
32 6.07 2007-08-30
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
33 Add generic reverse dns filtering with regular expression.
169
44021d570958 fix pre/post scripts in rpm spec file
carl
parents: 168
diff changeset
34 Fix pre/post scripts in the rpm spec file.
168
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
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35
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
36 6.06 2007-08-27
167
9b129ed78d7d actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents: 165
diff changeset
37 Fix bug that effectively disabled spamassassin filtering. Improve
9b129ed78d7d actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents: 165
diff changeset
38 spamassassin filtering documentation. Generate warning if the
9b129ed78d7d actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents: 165
diff changeset
39 config file specifies spam assassin filtering, but spamc is not
9b129ed78d7d actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
carl
parents: 165
diff changeset
40 found by autoconf.
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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41
168
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
42 6.05 2007-08-26
165
bf828f785407 fix unitialized variable
carl
parents: 162
diff changeset
43 Fix unitialized variable in my spamassassin code.
bf828f785407 fix unitialized variable
carl
parents: 162
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44
168
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
45 6.04 2007-08-26
165
bf828f785407 fix unitialized variable
carl
parents: 162
diff changeset
46 Add spamassassin integration via spamc, code from spamass-milter.
bf828f785407 fix unitialized variable
carl
parents: 162
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47
162
c4bce911c276 don't add auto whitelist for A to A
carl
parents: 160
diff changeset
48 6.03 2007-07-14
c4bce911c276 don't add auto whitelist for A to A
carl
parents: 160
diff changeset
49 Don't add auto whitelist entries for our own domains.
c4bce911c276 don't add auto whitelist for A to A
carl
parents: 160
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50
160
b3ed72ee6564 allow manual updates to auto whitelist files
carl
parents: 152
diff changeset
51 6.02 2007-07-10
b3ed72ee6564 allow manual updates to auto whitelist files
carl
parents: 152
diff changeset
52 Allow manual updates to the auto whitelisting files, mainly for
b3ed72ee6564 allow manual updates to auto whitelist files
carl
parents: 152
diff changeset
53 scp or rsync synchronization between primary and backup mx
b3ed72ee6564 allow manual updates to auto whitelist files
carl
parents: 152
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54 systems.
b3ed72ee6564 allow manual updates to auto whitelist files
carl
parents: 152
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55
152
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
diff changeset
56 6.01 2007-07-07
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
diff changeset
57 GPL3. Block mail to recipients that cannot reply. Start auto
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
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58 whitelisting.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
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59
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
diff changeset
60 5.30 2007-06-09
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
diff changeset
61 Selinux fix - redirect stdout for useradd to make selinux happy.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
diff changeset
62
151
0e8ec3c483ce limit dns resolver timeouts and retry interval
carl
parents: 150
diff changeset
63 5.29 2007-03-27
150
a23ef169d322 limit dns resolver timeouts and retry interval
carl
parents: 149
diff changeset
64 Limit dns resolver to two retries five seconds apart.
a23ef169d322 limit dns resolver timeouts and retry interval
carl
parents: 149
diff changeset
65
149
9581f6e62574 switch to second context wins in all cases
carl
parents: 148
diff changeset
66 5.28 2007-02-19
9581f6e62574 switch to second context wins in all cases
carl
parents: 148
diff changeset
67 Change the conflict resolution algorithm to "second one wins" if we
9581f6e62574 switch to second context wins in all cases
carl
parents: 148
diff changeset
68 have two contexts that both define env_to user@. Update ICANN tld
9581f6e62574 switch to second context wins in all cases
carl
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69 list.
9581f6e62574 switch to second context wins in all cases
carl
parents: 148
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70
148
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
parents: 147
diff changeset
71 5.27 2007-01-30
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
parents: 147
diff changeset
72 Allow 'inherit' as an env_from target. Documentation cleanup
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
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73 from G.W. Haywood.
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
parents: 147
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74
147
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
parents: 145
diff changeset
75 5.26 2006-12-04
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
parents: 145
diff changeset
76 Fix bug in content filtering introduced in 5.23 that prevented
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
parents: 145
diff changeset
77 seeing any host names in the body.
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
parents: 145
diff changeset
78
145
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
parents: 144
diff changeset
79 5.25 2006-10-15
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
parents: 144
diff changeset
80 DNSBL lists are inherited, so dump the effective list with the
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
parents: 144
diff changeset
81 -c switch.
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
parents: 144
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82
144
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
parents: 143
diff changeset
83 5.24 2006-10-15
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
parents: 143
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84 Allow child and parent context to specify the same fully qualified
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
parents: 143
diff changeset
85 env_to address. Only dump the rate limit for the default context
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
parents: 143
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86 with -c switch.
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
parents: 143
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87
143
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 140
diff changeset
88 5.23 2006-10-10
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 140
diff changeset
89 Require two periods in ip addresses.
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 140
diff changeset
90
140
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
diff changeset
91 5.22 2006-09-27
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
diff changeset
92 Change syntax for default rate limit. Improve hourly reset of
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
diff changeset
93 limits. Warning for rate limits in non default contexts to allow
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
diff changeset
94 nesting of client configurations.
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
diff changeset
95
136
f4746d8a12a3 add smtp auth rate limits
carl
parents: 134
diff changeset
96 5.21 2006-09-26
f4746d8a12a3 add smtp auth rate limits
carl
parents: 134
diff changeset
97 Add SMTP AUTH recipient rate limits, to help throttle infected
f4746d8a12a3 add smtp auth rate limits
carl
parents: 134
diff changeset
98 client machines and accounts with weak cracked passwords.
f4746d8a12a3 add smtp auth rate limits
carl
parents: 134
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99
134
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
carl
parents: 133
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100 5.20 2006-08-02
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
carl
parents: 133
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101 Fully qualify all dns lookups. Fix my_read() bug. Try to convert
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
carl
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102 names that might be ip addresses via inet_aton before doing dns
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
carl
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103 lookups.
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
carl
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104
131
df355d117199 uribl lookups fully qualified; allow two component host names
carl
parents: 128
diff changeset
105 5.19 2006-08-01
df355d117199 uribl lookups fully qualified; allow two component host names
carl
parents: 128
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106 Bug fix - add trailing dot to uribl dns lookups to make them fully
df355d117199 uribl lookups fully qualified; allow two component host names
carl
parents: 128
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107 qualified. Check host names with only two components, since
df355d117199 uribl lookups fully qualified; allow two component host names
carl
parents: 128
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108 spammers are now using bare http://domain.tld references.
133
b8ce1b31237d uribl lookups fully qualified; allow two component host names
carl
parents: 131
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109 Spec file now creates an rpm that properly creates the dnsbl user.
131
df355d117199 uribl lookups fully qualified; allow two component host names
carl
parents: 128
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110
128
9ab51896447f don't do uribl lookups on rfc1918 address space
carl
parents: 127
diff changeset
111 5.18 2006-04-27
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 126
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112 Bug fix - newer sendmail versions don't guarantee envelope addresses
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 126
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113 enclosed in <> wrapper.
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 126
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114
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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115 Document backscatter prevention configuration for systems that are
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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116 used to mainly spam filter and then forward to mail to the internal
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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117 server.
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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118
128
9ab51896447f don't do uribl lookups on rfc1918 address space
carl
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119 Never ask uribl blacklists about rfc1918 address space.
9ab51896447f don't do uribl lookups on rfc1918 address space
carl
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120
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
carl
parents: 125
diff changeset
121 5.17 2006-03-25
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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diff changeset
122 Never ask dns blacklists about rfc1918 address space.
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
carl
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123
125
8b1562482b29 put hostname in smtp message for uribl style lookups
carl
parents: 123
diff changeset
124 5.16 2006-03-16
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 126
diff changeset
125 Bug fix - the smtp error message for uribl filtering needs to
125
8b1562482b29 put hostname in smtp message for uribl style lookups
carl
parents: 123
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126 reference the host name, not the ip address.
8b1562482b29 put hostname in smtp message for uribl style lookups
carl
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127
123
ecd97e7eb1f0 properly return error code with reject reason
carl
parents: 122
diff changeset
128 5.15 2006-03-15
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 126
diff changeset
129 Bug fix - we failed to properly set the return code to indicate the
123
ecd97e7eb1f0 properly return error code with reject reason
carl
parents: 122
diff changeset
130 reason when rejecting mail for content filtering.
ecd97e7eb1f0 properly return error code with reject reason
carl
parents: 122
diff changeset
131
122
e8971c595845 fix typo in multi.surbl.org name
carl
parents: 121
diff changeset
132 5.14 2006-03-13
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
parents: 126
diff changeset
133 Fix a typo in the default config file and documentation for using
122
e8971c595845 fix typo in multi.surbl.org name
carl
parents: 121
diff changeset
134 multi.surbl.org
e8971c595845 fix typo in multi.surbl.org name
carl
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135
117
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 116
diff changeset
136 5.13 2006-03-12
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 116
diff changeset
137 patch from Jeff Evans <jeffe@tricab.com>
121
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 117
diff changeset
138 add SURBL/URIBL lookups, remove trailing dots from hostnames,
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 117
diff changeset
139 allow ip address literals as hostnames.
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 117
diff changeset
140 add configuration for surbl/uribl list and reject message
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 117
diff changeset
141
115
07e5d4721213 use larger resolver buffer
carl
parents: 113
diff changeset
142 5.12 2006-01-08
07e5d4721213 use larger resolver buffer
carl
parents: 113
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143 Use larger resolver buffer to accomodate spammers with many name
07e5d4721213 use larger resolver buffer
carl
parents: 113
diff changeset
144 servers. A current example is life-all.com which needs to retry in
07e5d4721213 use larger resolver buffer
carl
parents: 113
diff changeset
145 tcp mode to fetch the 1444 byte response.
07e5d4721213 use larger resolver buffer
carl
parents: 113
diff changeset
146
116
0094678a16d0 update all systems from tarball, make chkconfig creates dnsbl user if needed
carl
parents: 115
diff changeset
147 'make chkconfig' now creates the dnsbl user if it does not exist.
0094678a16d0 update all systems from tarball, make chkconfig creates dnsbl user if needed
carl
parents: 115
diff changeset
148
113
a893afee4b80 move to autoconf/automake/docbook
carl
parents: 102
diff changeset
149 5.11 2005-12-20
a893afee4b80 move to autoconf/automake/docbook
carl
parents: 102
diff changeset
150 switch to autoconf/automake/docbook
a893afee4b80 move to autoconf/automake/docbook
carl
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151
102
d9c64bafbf60 fix compile error on fc3
carl
parents: 101
diff changeset
152 5.10 2005-10-16
d9c64bafbf60 fix compile error on fc3
carl
parents: 101
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153 Fix a compile error on Fedora Core 3.
d9c64bafbf60 fix compile error on fc3
carl
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diff changeset
154 Discovered by Nigel Horne <njh@bandsman.co.uk>
d9c64bafbf60 fix compile error on fc3
carl
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155
101
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
parents: 100
diff changeset
156 5.9 2005-09-26
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
parents: 100
diff changeset
157 Fix a bug with empty return paths passed to the verification code.
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
parents: 100
diff changeset
158 That resulted in 'MAIL FROM:<<>>' being sent to the verification
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
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159 mail server.
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
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diff changeset
160
100
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
carl
parents: 99
diff changeset
161 5.8 2005-09-25
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
carl
parents: 99
diff changeset
162 Allow empty env_to at global context level to remove restrictions
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
carl
parents: 99
diff changeset
163 on env_to values in child contexts.
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
carl
parents: 99
diff changeset
164
99
f8963ddf7143 failed to return a value from parse_verify()
carl
parents: 98
diff changeset
165 5.7 2005-09-23
f8963ddf7143 failed to return a value from parse_verify()
carl
parents: 98
diff changeset
166 Failed to return a value from parse_verify() which caused failures
f8963ddf7143 failed to return a value from parse_verify()
carl
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167 to load the configuration.
f8963ddf7143 failed to return a value from parse_verify()
carl
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diff changeset
168
98
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
parents: 92
diff changeset
169 5.6 2005-09-22
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
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170 Tokenizer errors now go thru the syslog code, so they are visible
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
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diff changeset
171 when generated during config file reloads during normal operation.
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
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diff changeset
172
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
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diff changeset
173 5.5 2005-09-21
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
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174 Cleanup debug logging. Verify from/to pairs now remembers the last
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175 from value sent to the remote server to prevent unnecessary rset
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176 commands.
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177
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178 5.4 2005-09-18
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179 Add verify statement to specify the smtp host to be used to verify
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180 envelope from / recipient pairs.
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181
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182 Authenticated clients are now exempt from all white/black listing
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183 in addition to the dnsbl lookups.
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184
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185 dcc_to should not look at substitute mail_host. That is only used
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186 by dcc_from.
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187
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188 5.3 2005-08-07
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189 Properly quit if the config file has syntax errors on startup. Send
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190 mail to root if the config file needs to be reloaded since it was
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191 modified, but contains syntax errors. In this case, we continue to
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192 use the old configuration.
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193
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194 5.2 2005-08-02
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195 Patch from Stephen Johnson <stephen.johnson@arkansas.gov> fixing the
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196 lack of a default return value in CONTEXT::acceptable_content().
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197
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198 5.1 2005-07-20
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199 Add multiple syslog debug levels. Detect and silently remove
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200 duplicate DNSBL definitions. That allows us to accept mail to
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201 recipients in multiple domains that use the same blacklist and yet
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202 only check that blacklist once. This may happen when your config
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203 file directly includes as child contexts the config files used on
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204 your clients mail servers.
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205
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206 5.0 2005-07-16
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207 Major changes to the syntax of the config file. Content filtering
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208 is no longer a global mail server setting.
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209
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210 4.6 2005-04-02
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211 Fix enum compilation error on Fedora Core 3.
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212 Discovered by Nigel Horne <njh@bandsman.co.uk>
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213
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214 Remove bad html tag command from the default conf file. Spammers
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215 seem to have abandoned this.
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216
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217 Add toolbar.msn.click-url.com in hosts-ignore.conf. These are all
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218 commented, but you might want to uncomment them.
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219
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220 4.5 2005-01-22
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221 Add uuencode decoding for old style attachments.
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222
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223 4.4 2005-01-18
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224 Bug fix in forked process termination that left zombies.
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225
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226 4.3 2005-01-16
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227 Only keep 20% of the resolver sockets in the ready pool.
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228
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229 4.2 2005-01-08
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230 Use the separate resolver processes even if we don't have the
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231 resolver interfaces and need gethostbyname.
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232
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233 4.1 2005-01-06
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234 Use a local unix domain socket for the resolver process
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235 communication, rather than a tcp/ip socket.
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236
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237 4.0 2005-01-03
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238 Initialize the thread mutex objects early, before they are needed
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239 by possible calls to my_syslog.
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240
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241 Fork off a separate resolver listener process, so we can do multiple
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242 dns operations in parallel. For each simultaneous inbound email,
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243 we have a separate sendmail process, a milter thread, and a dns
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244 resolver process.
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245
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246 3.7 2004-10-28
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247 Added an 'ignore' command to the conf file, used to ignore some
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248 hosts that might end up on the SBL and otherwise trip the content
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249 scanning filter. In particular, many recent Microsoft Word
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250 documents contain the string www.5iantlavalamp.com which is
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251 associated with their smart tags stuff. That is currently hosted at
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252 216.168.224.70, which is shared with a site that ended up on the
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253 SBL.
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254
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255 3.6 2004-09-08
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256 Contributions from Dan Harkless <software@harkless.org>
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257 Better documentation for disabling the content filtering.
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258 Don't bother looking at the body text if we are not doing
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259 content filtering.
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260
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261 3.5 2004-07-17
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262 Extend the error message for content filtering when the NS record
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263 points to an ip address on the SBL. Include the original host name
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264 that referenced that NS name.
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265
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266
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267 3.4 2004-07-15
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268 Tokens with two consecutive periods cannot be ip addresses or host
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269 names.
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270
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271 Updated dnsbl.spec file for building rpms from John Gunkel.
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272
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273
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274 3.3 2004-07-09
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275 Drop root priviledges properly, including the group id.
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276
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277
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278 3.2 2004-07-09
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279
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280 Contributions from John Gunkel <jgunkel@palliser.ca>:
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281 Add .spec file for building rpms, contributed by John Gunkel
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282
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283 Changes to file layout to conform to RedHat/LSB standards.
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284
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285 Add some html (actually xml) tags used by Apple mac print
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286 subsystem that were tripping the html tag detector.
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287
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288 Help with changes required to allow dnsbl to drop root
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289 priviledges. Move the socket to /var/run/dnsbl/dnsbl.sock
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290
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291 Change parser to handle &#xnnn; obfuscated urls with charaters
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292 specified in hex.
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293
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294 Make bad_html tags more sensitive to binary tags, to reduce false
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295 positives in .zip or .tar.gz file attachments.
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296
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297 Add sendmail queueid to the dnsbl syslog messages.
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298
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299 Fix one place where host names were not forced to lower case.
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300 Discovered by Nigel Horne <njh@bandsman.co.uk>
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301
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302 Remove duplicate dns queries within the same smtp transaction from
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303 the body content filtering. This helps if the mail server does not
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304 have a nearby caching dns server.
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305
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306 Add host_soft_limit config keyword. Use only one of host_limit or
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307 host_soft_limit, since the last one wins. The host_limit is a hard
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308 upper limit on the number of host names in a message. The
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309 host_soft_limit allows unlimited host names, but only checks a
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310 random sample of them against the dnsbl.
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311
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312 The main thread has dropped root priviledges, but other threads
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313 are still running as root. This needs to be fixed.