Mercurial > dnsbl

annotate ChangeLog @ 198:fbcf2733fe79

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always rebuild from clean source control tip, rather than from working directory
author Carl Byington <carl@five-ten-sg.com>
date Sat, 02 Feb 2008 11:58:46 -0800
parents 797299e9fffc
children 752d4315675c
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
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diff changeset
2
195
797299e9fffc fix null dereference if missing _ macro
carl
parents: 192
diff changeset
3 6.15 2007-12-07
797299e9fffc fix null dereference if missing _ macro
carl
parents: 192
diff changeset
4 Fix null pointer dereference if macro _ not passed to this milter.
797299e9fffc fix null dereference if missing _ macro
carl
parents: 192
diff changeset
5 Default sendmail config passes that in the connect call.
797299e9fffc fix null dereference if missing _ macro
carl
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diff changeset
6
192
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots
carl
parents: 190
diff changeset
7 6.14 2007-11-11
8f4a9a37d4d9 delay autowhitelisting to avoid out of office reply bots
carl
parents: 190
diff changeset
8 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
9 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
10
187
f0eda59e8afd fix null pointer dereference from missing HELO command
carl
parents: 185
diff changeset
11 6.13 2007-11-10
f0eda59e8afd fix null pointer dereference from missing HELO command
carl
parents: 185
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12 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
13 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
14
185
505283ab296c smtp rejections take precendence over greylisting
carl
parents: 184
diff changeset
15 6.12 2007-10-13
505283ab296c smtp rejections take precendence over greylisting
carl
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diff changeset
16 SMTP rejections take precedence over greylisting.
505283ab296c smtp rejections take precendence over greylisting
carl
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17
184
0e15a805d295 embedded dcc filtering
carl
parents: 179
diff changeset
18 6.11 2007-10-07
178
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
19 Add DCC filtering via dccifd. Drop to 60 seconds the time we will
d6531c702be3 embedded dcc filtering
carl
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diff changeset
20 keep idle smtp verify sockets around. This needs to be about half
d6531c702be3 embedded dcc filtering
carl
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diff changeset
21 the value of confTO_COMMAND configured on the verify targets.
d6531c702be3 embedded dcc filtering
carl
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diff changeset
22 Fix potential race condition or buffer overflow caused by static
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
23 buffer referenced by multiple threads.
177
a4d313c2460b start embedded dcc filtering
carl
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diff changeset
24
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 173
diff changeset
25 6.10 2007-09-23
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
parents: 173
diff changeset
26 Don't whitelist addresses with embedded blanks, or the empty
176
4ec928b24bab allow manual whitelisting with stamp 1 to remove a whitelist entry
carl
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diff changeset
27 path. Allow manual removal of auto whitelist entries.
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
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28
173
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
parents: 172
diff changeset
29 6.09 2007-09-06
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
parents: 172
diff changeset
30 Fix memory leak in auto-whitelisting code. Update auto-whitelist
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
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31 timestamps when receiving mail from auto-whitelisted senders.
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
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32
172
d3189495ec68 don't do generic rdns filtering on whitelisted recipients
carl
parents: 169
diff changeset
33 6.08 2007-08-30
d3189495ec68 don't do generic rdns filtering on whitelisted recipients
carl
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diff changeset
34 Don't do generic reverse dns filtering on authenticated connections.
d3189495ec68 don't do generic rdns filtering on whitelisted recipients
carl
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35
168
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
36 6.07 2007-08-30
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
37 Add generic reverse dns filtering with regular expression.
169
44021d570958 fix pre/post scripts in rpm spec file
carl
parents: 168
diff changeset
38 Fix pre/post scripts in the rpm spec file.
168
6bac960af6b4 add generic reverse dns filtering regex
carl
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39
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
40 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
41 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
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42 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
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43 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.
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44 found by autoconf.
9b129ed78d7d actually use spamassassin result, allow build without spam assassin, only call it if some recipient needs it.
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45
168
6bac960af6b4 add generic reverse dns filtering regex
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diff changeset
46 6.05 2007-08-26
165
bf828f785407 fix unitialized variable
carl
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diff changeset
47 Fix unitialized variable in my spamassassin code.
bf828f785407 fix unitialized variable
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48
168
6bac960af6b4 add generic reverse dns filtering regex
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diff changeset
49 6.04 2007-08-26
165
bf828f785407 fix unitialized variable
carl
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50 Add spamassassin integration via spamc, code from spamass-milter.
bf828f785407 fix unitialized variable
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51
162
c4bce911c276 don't add auto whitelist for A to A
carl
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diff changeset
52 6.03 2007-07-14
c4bce911c276 don't add auto whitelist for A to A
carl
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53 Don't add auto whitelist entries for our own domains.
c4bce911c276 don't add auto whitelist for A to A
carl
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54
160
b3ed72ee6564 allow manual updates to auto whitelist files
carl
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diff changeset
55 6.02 2007-07-10
b3ed72ee6564 allow manual updates to auto whitelist files
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56 Allow manual updates to the auto whitelisting files, mainly for
b3ed72ee6564 allow manual updates to auto whitelist files
carl
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57 scp or rsync synchronization between primary and backup mx
b3ed72ee6564 allow manual updates to auto whitelist files
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58 systems.
b3ed72ee6564 allow manual updates to auto whitelist files
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59
152
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
diff changeset
60 6.01 2007-07-07
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
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61 GPL3. Block mail to recipients that cannot reply. Start auto
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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62 whitelisting.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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63
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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64 5.30 2007-06-09
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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65 Selinux fix - redirect stdout for useradd to make selinux happy.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
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66
151
0e8ec3c483ce limit dns resolver timeouts and retry interval
carl
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67 5.29 2007-03-27
150
a23ef169d322 limit dns resolver timeouts and retry interval
carl
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68 Limit dns resolver to two retries five seconds apart.
a23ef169d322 limit dns resolver timeouts and retry interval
carl
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69
149
9581f6e62574 switch to second context wins in all cases
carl
parents: 148
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70 5.28 2007-02-19
9581f6e62574 switch to second context wins in all cases
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71 Change the conflict resolution algorithm to "second one wins" if we
9581f6e62574 switch to second context wins in all cases
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72 have two contexts that both define env_to user@. Update ICANN tld
9581f6e62574 switch to second context wins in all cases
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73 list.
9581f6e62574 switch to second context wins in all cases
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74
148
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
parents: 147
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75 5.27 2007-01-30
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
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diff changeset
76 Allow 'inherit' as an env_from target. Documentation cleanup
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
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77 from G.W. Haywood.
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
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78
147
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
parents: 145
diff changeset
79 5.26 2006-12-04
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
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80 Fix bug in content filtering introduced in 5.23 that prevented
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
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81 seeing any host names in the body.
812c80305f26 fix 5.23 bug and add fsa debug logging
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82
145
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
parents: 144
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83 5.25 2006-10-15
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
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84 DNSBL lists are inherited, so dump the effective list with the
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
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85 -c switch.
9b9bab1d3c21 dump effective dnsbl_list with -c switch
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86
144
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
parents: 143
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87 5.24 2006-10-15
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
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88 Allow child and parent context to specify the same fully qualified
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
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89 env_to address. Only dump the rate limit for the default context
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
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90 with -c switch.
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
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91
143
ecb40aa3eaa5 require two periods for ip addresses
carl
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92 5.23 2006-10-10
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 140
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93 Require two periods in ip addresses.
ecb40aa3eaa5 require two periods for ip addresses
carl
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94
140
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
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95 5.22 2006-09-27
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
diff changeset
96 Change syntax for default rate limit. Improve hourly reset of
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
diff changeset
97 limits. Warning for rate limits in non default contexts to allow
4028de9b46dd cleanup smtp rate limit code
carl
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98 nesting of client configurations.
4028de9b46dd cleanup smtp rate limit code
carl
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99
136
f4746d8a12a3 add smtp auth rate limits
carl
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100 5.21 2006-09-26
f4746d8a12a3 add smtp auth rate limits
carl
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101 Add SMTP AUTH recipient rate limits, to help throttle infected
f4746d8a12a3 add smtp auth rate limits
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102 client machines and accounts with weak cracked passwords.
f4746d8a12a3 add smtp auth rate limits
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103
134
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
carl
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104 5.20 2006-08-02
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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105 Fully qualify all dns lookups. Fix my_read() bug. Try to convert
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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106 names that might be ip addresses via inet_aton before doing dns
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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107 lookups.
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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108
131
df355d117199 uribl lookups fully qualified; allow two component host names
carl
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109 5.19 2006-08-01
df355d117199 uribl lookups fully qualified; allow two component host names
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110 Bug fix - add trailing dot to uribl dns lookups to make them fully
df355d117199 uribl lookups fully qualified; allow two component host names
carl
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111 qualified. Check host names with only two components, since
df355d117199 uribl lookups fully qualified; allow two component host names
carl
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112 spammers are now using bare http://domain.tld references.
133
b8ce1b31237d uribl lookups fully qualified; allow two component host names
carl
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113 Spec file now creates an rpm that properly creates the dnsbl user.
131
df355d117199 uribl lookups fully qualified; allow two component host names
carl
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114
128
9ab51896447f don't do uribl lookups on rfc1918 address space
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115 5.18 2006-04-27
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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116 Bug fix - newer sendmail versions don't guarantee envelope addresses
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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117 enclosed in <> wrapper.
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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118
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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119 Document backscatter prevention configuration for systems that are
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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120 used to mainly spam filter and then forward to mail to the internal
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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121 server.
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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122
128
9ab51896447f don't do uribl lookups on rfc1918 address space
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123 Never ask uribl blacklists about rfc1918 address space.
9ab51896447f don't do uribl lookups on rfc1918 address space
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124
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
carl
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125 5.17 2006-03-25
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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126 Never ask dns blacklists about rfc1918 address space.
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
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127
125
8b1562482b29 put hostname in smtp message for uribl style lookups
carl
parents: 123
diff changeset
128 5.16 2006-03-16
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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129 Bug fix - the smtp error message for uribl filtering needs to
125
8b1562482b29 put hostname in smtp message for uribl style lookups
carl
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130 reference the host name, not the ip address.
8b1562482b29 put hostname in smtp message for uribl style lookups
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131
123
ecd97e7eb1f0 properly return error code with reject reason
carl
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132 5.15 2006-03-15
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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diff changeset
133 Bug fix - we failed to properly set the return code to indicate the
123
ecd97e7eb1f0 properly return error code with reject reason
carl
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diff changeset
134 reason when rejecting mail for content filtering.
ecd97e7eb1f0 properly return error code with reject reason
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135
122
e8971c595845 fix typo in multi.surbl.org name
carl
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diff changeset
136 5.14 2006-03-13
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
carl
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diff changeset
137 Fix a typo in the default config file and documentation for using
122
e8971c595845 fix typo in multi.surbl.org name
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138 multi.surbl.org
e8971c595845 fix typo in multi.surbl.org name
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139
117
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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diff changeset
140 5.13 2006-03-12
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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141 patch from Jeff Evans <jeffe@tricab.com>
121
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
parents: 117
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142 add SURBL/URIBL lookups, remove trailing dots from hostnames,
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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143 allow ip address literals as hostnames.
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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diff changeset
144 add configuration for surbl/uribl list and reject message
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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diff changeset
145
115
07e5d4721213 use larger resolver buffer
carl
parents: 113
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146 5.12 2006-01-08
07e5d4721213 use larger resolver buffer
carl
parents: 113
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147 Use larger resolver buffer to accomodate spammers with many name
07e5d4721213 use larger resolver buffer
carl
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148 servers. A current example is life-all.com which needs to retry in
07e5d4721213 use larger resolver buffer
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diff changeset
149 tcp mode to fetch the 1444 byte response.
07e5d4721213 use larger resolver buffer
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150
116
0094678a16d0 update all systems from tarball, make chkconfig creates dnsbl user if needed
carl
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151 '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
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152
113
a893afee4b80 move to autoconf/automake/docbook
carl
parents: 102
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153 5.11 2005-12-20
a893afee4b80 move to autoconf/automake/docbook
carl
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154 switch to autoconf/automake/docbook
a893afee4b80 move to autoconf/automake/docbook
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155
102
d9c64bafbf60 fix compile error on fc3
carl
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156 5.10 2005-10-16
d9c64bafbf60 fix compile error on fc3
carl
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157 Fix a compile error on Fedora Core 3.
d9c64bafbf60 fix compile error on fc3
carl
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158 Discovered by Nigel Horne <njh@bandsman.co.uk>
d9c64bafbf60 fix compile error on fc3
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159
101
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
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160 5.9 2005-09-26
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
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diff changeset
161 Fix a bug with empty return paths passed to the verification code.
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
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diff changeset
162 That resulted in 'MAIL FROM:<<>>' being sent to the verification
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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163 mail server.
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
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diff changeset
164
100
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
carl
parents: 99
diff changeset
165 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
166 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
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167 on env_to values in child contexts.
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
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diff changeset
168
99
f8963ddf7143 failed to return a value from parse_verify()
carl
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169 5.7 2005-09-23
f8963ddf7143 failed to return a value from parse_verify()
carl
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170 Failed to return a value from parse_verify() which caused failures
f8963ddf7143 failed to return a value from parse_verify()
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171 to load the configuration.
f8963ddf7143 failed to return a value from parse_verify()
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172
98
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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diff changeset
173 5.6 2005-09-22
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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174 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
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175 when generated during config file reloads during normal operation.
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176
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177 5.5 2005-09-21
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178 Cleanup debug logging. Verify from/to pairs now remembers the last
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179 from value sent to the remote server to prevent unnecessary rset
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180 commands.
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181
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182 5.4 2005-09-18
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183 Add verify statement to specify the smtp host to be used to verify
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184 envelope from / recipient pairs.
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185
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186 Authenticated clients are now exempt from all white/black listing
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187 in addition to the dnsbl lookups.
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188
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189 dcc_to should not look at substitute mail_host. That is only used
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190 by dcc_from.
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191
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192 5.3 2005-08-07
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193 Properly quit if the config file has syntax errors on startup. Send
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194 mail to root if the config file needs to be reloaded since it was
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195 modified, but contains syntax errors. In this case, we continue to
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196 use the old configuration.
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197
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198 5.2 2005-08-02
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199 Patch from Stephen Johnson <stephen.johnson@arkansas.gov> fixing the
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200 lack of a default return value in CONTEXT::acceptable_content().
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201
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202 5.1 2005-07-20
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203 Add multiple syslog debug levels. Detect and silently remove
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204 duplicate DNSBL definitions. That allows us to accept mail to
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205 recipients in multiple domains that use the same blacklist and yet
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206 only check that blacklist once. This may happen when your config
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207 file directly includes as child contexts the config files used on
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208 your clients mail servers.
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209
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210 5.0 2005-07-16
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211 Major changes to the syntax of the config file. Content filtering
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212 is no longer a global mail server setting.
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213
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214 4.6 2005-04-02
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215 Fix enum compilation error on Fedora Core 3.
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216 Discovered by Nigel Horne <njh@bandsman.co.uk>
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217
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218 Remove bad html tag command from the default conf file. Spammers
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219 seem to have abandoned this.
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220
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221 Add toolbar.msn.click-url.com in hosts-ignore.conf. These are all
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222 commented, but you might want to uncomment them.
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223
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224 4.5 2005-01-22
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225 Add uuencode decoding for old style attachments.
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226
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227 4.4 2005-01-18
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228 Bug fix in forked process termination that left zombies.
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229
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230 4.3 2005-01-16
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231 Only keep 20% of the resolver sockets in the ready pool.
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232
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233 4.2 2005-01-08
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234 Use the separate resolver processes even if we don't have the
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235 resolver interfaces and need gethostbyname.
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236
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237 4.1 2005-01-06
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238 Use a local unix domain socket for the resolver process
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239 communication, rather than a tcp/ip socket.
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240
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241 4.0 2005-01-03
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242 Initialize the thread mutex objects early, before they are needed
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243 by possible calls to my_syslog.
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244
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245 Fork off a separate resolver listener process, so we can do multiple
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246 dns operations in parallel. For each simultaneous inbound email,
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247 we have a separate sendmail process, a milter thread, and a dns
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248 resolver process.
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249
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250 3.7 2004-10-28
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251 Added an 'ignore' command to the conf file, used to ignore some
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252 hosts that might end up on the SBL and otherwise trip the content
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253 scanning filter. In particular, many recent Microsoft Word
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254 documents contain the string www.5iantlavalamp.com which is
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255 associated with their smart tags stuff. That is currently hosted at
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256 216.168.224.70, which is shared with a site that ended up on the
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257 SBL.
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258
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259 3.6 2004-09-08
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260 Contributions from Dan Harkless <software@harkless.org>
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261 Better documentation for disabling the content filtering.
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262 Don't bother looking at the body text if we are not doing
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263 content filtering.
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264
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265 3.5 2004-07-17
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266 Extend the error message for content filtering when the NS record
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267 points to an ip address on the SBL. Include the original host name
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268 that referenced that NS name.
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269
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270
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271 3.4 2004-07-15
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272 Tokens with two consecutive periods cannot be ip addresses or host
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273 names.
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274
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275 Updated dnsbl.spec file for building rpms from John Gunkel.
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276
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277
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278 3.3 2004-07-09
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279 Drop root priviledges properly, including the group id.
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280
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281
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282 3.2 2004-07-09
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283
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284 Contributions from John Gunkel <jgunkel@palliser.ca>:
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285 Add .spec file for building rpms, contributed by John Gunkel
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286
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287 Changes to file layout to conform to RedHat/LSB standards.
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288
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289 Add some html (actually xml) tags used by Apple mac print
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290 subsystem that were tripping the html tag detector.
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291
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292 Help with changes required to allow dnsbl to drop root
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293 priviledges. Move the socket to /var/run/dnsbl/dnsbl.sock
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294
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295 Change parser to handle &#xnnn; obfuscated urls with charaters
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296 specified in hex.
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297
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298 Make bad_html tags more sensitive to binary tags, to reduce false
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299 positives in .zip or .tar.gz file attachments.
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300
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301 Add sendmail queueid to the dnsbl syslog messages.
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302
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303 Fix one place where host names were not forced to lower case.
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304 Discovered by Nigel Horne <njh@bandsman.co.uk>
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305
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306 Remove duplicate dns queries within the same smtp transaction from
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307 the body content filtering. This helps if the mail server does not
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308 have a nearby caching dns server.
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309
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310 Add host_soft_limit config keyword. Use only one of host_limit or
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311 host_soft_limit, since the last one wins. The host_limit is a hard
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312 upper limit on the number of host names in a message. The
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313 host_soft_limit allows unlimited host names, but only checks a
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314 random sample of them against the dnsbl.
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315
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316 The main thread has dropped root priviledges, but other threads
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317 are still running as root. This needs to be fixed.