Mercurial > dnsbl

annotate ChangeLog @ 185:505283ab296c stable-6-0-12

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smtp rejections take precendence over greylisting
author carl
date Sat, 13 Oct 2007 17:42:30 -0700
parents 0e15a805d295
children f0eda59e8afd
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
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diff changeset
1 $Id$
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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2
185
505283ab296c smtp rejections take precendence over greylisting
carl
parents: 184
diff changeset
3 6.12 2007-10-13
505283ab296c smtp rejections take precendence over greylisting
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4 SMTP rejections take precedence over greylisting.
505283ab296c smtp rejections take precendence over greylisting
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5
184
0e15a805d295 embedded dcc filtering
carl
parents: 179
diff changeset
6 6.11 2007-10-07
178
d6531c702be3 embedded dcc filtering
carl
parents: 177
diff changeset
7 Add DCC filtering via dccifd. Drop to 60 seconds the time we will
d6531c702be3 embedded dcc filtering
carl
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diff changeset
8 keep idle smtp verify sockets around. This needs to be about half
d6531c702be3 embedded dcc filtering
carl
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diff changeset
9 the value of confTO_COMMAND configured on the verify targets.
d6531c702be3 embedded dcc filtering
carl
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diff changeset
10 Fix potential race condition or buffer overflow caused by static
d6531c702be3 embedded dcc filtering
carl
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11 buffer referenced by multiple threads.
177
a4d313c2460b start embedded dcc filtering
carl
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12
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
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13 6.10 2007-09-23
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
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diff changeset
14 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
15 path. Allow manual removal of auto whitelist entries.
174
da0c41b9f672 don't whitelist addresses with embedded spaces
carl
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16
173
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
parents: 172
diff changeset
17 6.09 2007-09-06
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
parents: 172
diff changeset
18 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
19 timestamps when receiving mail from auto-whitelisted senders.
83fe0be032c1 fix leak, update timestamps when receiving auto-whitelisted sender
carl
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20
172
d3189495ec68 don't do generic rdns filtering on whitelisted recipients
carl
parents: 169
diff changeset
21 6.08 2007-08-30
d3189495ec68 don't do generic rdns filtering on whitelisted recipients
carl
parents: 169
diff changeset
22 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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23
168
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
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24 6.07 2007-08-30
6bac960af6b4 add generic reverse dns filtering regex
carl
parents: 167
diff changeset
25 Add generic reverse dns filtering with regular expression.
169
44021d570958 fix pre/post scripts in rpm spec file
carl
parents: 168
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26 Fix pre/post scripts in the rpm spec file.
168
6bac960af6b4 add generic reverse dns filtering regex
carl
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27
6bac960af6b4 add generic reverse dns filtering regex
carl
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28 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
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29 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
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30 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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31 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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32 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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33
168
6bac960af6b4 add generic reverse dns filtering regex
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34 6.05 2007-08-26
165
bf828f785407 fix unitialized variable
carl
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35 Fix unitialized variable in my spamassassin code.
bf828f785407 fix unitialized variable
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36
168
6bac960af6b4 add generic reverse dns filtering regex
carl
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37 6.04 2007-08-26
165
bf828f785407 fix unitialized variable
carl
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38 Add spamassassin integration via spamc, code from spamass-milter.
bf828f785407 fix unitialized variable
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39
162
c4bce911c276 don't add auto whitelist for A to A
carl
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40 6.03 2007-07-14
c4bce911c276 don't add auto whitelist for A to A
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41 Don't add auto whitelist entries for our own domains.
c4bce911c276 don't add auto whitelist for A to A
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42
160
b3ed72ee6564 allow manual updates to auto whitelist files
carl
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43 6.02 2007-07-10
b3ed72ee6564 allow manual updates to auto whitelist files
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44 Allow manual updates to the auto whitelisting files, mainly for
b3ed72ee6564 allow manual updates to auto whitelist files
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45 scp or rsync synchronization between primary and backup mx
b3ed72ee6564 allow manual updates to auto whitelist files
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46 systems.
b3ed72ee6564 allow manual updates to auto whitelist files
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47
152
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
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48 6.01 2007-07-07
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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49 GPL3. Block mail to recipients that cannot reply. Start auto
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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50 whitelisting.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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51
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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52 5.30 2007-06-09
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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53 Selinux fix - redirect stdout for useradd to make selinux happy.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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54
151
0e8ec3c483ce limit dns resolver timeouts and retry interval
carl
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55 5.29 2007-03-27
150
a23ef169d322 limit dns resolver timeouts and retry interval
carl
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56 Limit dns resolver to two retries five seconds apart.
a23ef169d322 limit dns resolver timeouts and retry interval
carl
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57
149
9581f6e62574 switch to second context wins in all cases
carl
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58 5.28 2007-02-19
9581f6e62574 switch to second context wins in all cases
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59 Change the conflict resolution algorithm to "second one wins" if we
9581f6e62574 switch to second context wins in all cases
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60 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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61 list.
9581f6e62574 switch to second context wins in all cases
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62
148
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
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63 5.27 2007-01-30
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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64 Allow 'inherit' as an env_from target. Documentation cleanup
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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65 from G.W. Haywood.
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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66
147
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
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67 5.26 2006-12-04
812c80305f26 fix 5.23 bug and add fsa debug logging
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68 Fix bug in content filtering introduced in 5.23 that prevented
812c80305f26 fix 5.23 bug and add fsa debug logging
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69 seeing any host names in the body.
812c80305f26 fix 5.23 bug and add fsa debug logging
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70
145
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
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71 5.25 2006-10-15
9b9bab1d3c21 dump effective dnsbl_list with -c switch
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72 DNSBL lists are inherited, so dump the effective list with the
9b9bab1d3c21 dump effective dnsbl_list with -c switch
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73 -c switch.
9b9bab1d3c21 dump effective dnsbl_list with -c switch
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74
144
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
parents: 143
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75 5.24 2006-10-15
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
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76 Allow child and parent context to specify the same fully qualified
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
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77 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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78 with -c switch.
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
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79
143
ecb40aa3eaa5 require two periods for ip addresses
carl
parents: 140
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80 5.23 2006-10-10
ecb40aa3eaa5 require two periods for ip addresses
carl
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81 Require two periods in ip addresses.
ecb40aa3eaa5 require two periods for ip addresses
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82
140
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
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83 5.22 2006-09-27
4028de9b46dd cleanup smtp rate limit code
carl
parents: 136
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84 Change syntax for default rate limit. Improve hourly reset of
4028de9b46dd cleanup smtp rate limit code
carl
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85 limits. Warning for rate limits in non default contexts to allow
4028de9b46dd cleanup smtp rate limit code
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86 nesting of client configurations.
4028de9b46dd cleanup smtp rate limit code
carl
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87
136
f4746d8a12a3 add smtp auth rate limits
carl
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88 5.21 2006-09-26
f4746d8a12a3 add smtp auth rate limits
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89 Add SMTP AUTH recipient rate limits, to help throttle infected
f4746d8a12a3 add smtp auth rate limits
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90 client machines and accounts with weak cracked passwords.
f4746d8a12a3 add smtp auth rate limits
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91
134
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
carl
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92 5.20 2006-08-02
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
carl
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93 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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94 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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95 lookups.
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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96
131
df355d117199 uribl lookups fully qualified; allow two component host names
carl
parents: 128
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97 5.19 2006-08-01
df355d117199 uribl lookups fully qualified; allow two component host names
carl
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98 Bug fix - add trailing dot to uribl dns lookups to make them fully
df355d117199 uribl lookups fully qualified; allow two component host names
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99 qualified. Check host names with only two components, since
df355d117199 uribl lookups fully qualified; allow two component host names
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100 spammers are now using bare http://domain.tld references.
133
b8ce1b31237d uribl lookups fully qualified; allow two component host names
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101 Spec file now creates an rpm that properly creates the dnsbl user.
131
df355d117199 uribl lookups fully qualified; allow two component host names
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102
128
9ab51896447f don't do uribl lookups on rfc1918 address space
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103 5.18 2006-04-27
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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104 Bug fix - newer sendmail versions don't guarantee envelope addresses
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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105 enclosed in <> wrapper.
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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106
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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107 Document backscatter prevention configuration for systems that are
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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108 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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109 server.
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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110
128
9ab51896447f don't do uribl lookups on rfc1918 address space
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111 Never ask uribl blacklists about rfc1918 address space.
9ab51896447f don't do uribl lookups on rfc1918 address space
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112
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
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113 5.17 2006-03-25
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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114 Never ask dns blacklists about rfc1918 address space.
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
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115
125
8b1562482b29 put hostname in smtp message for uribl style lookups
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116 5.16 2006-03-16
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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117 Bug fix - the smtp error message for uribl filtering needs to
125
8b1562482b29 put hostname in smtp message for uribl style lookups
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118 reference the host name, not the ip address.
8b1562482b29 put hostname in smtp message for uribl style lookups
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119
123
ecd97e7eb1f0 properly return error code with reject reason
carl
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120 5.15 2006-03-15
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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121 Bug fix - we failed to properly set the return code to indicate the
123
ecd97e7eb1f0 properly return error code with reject reason
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122 reason when rejecting mail for content filtering.
ecd97e7eb1f0 properly return error code with reject reason
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123
122
e8971c595845 fix typo in multi.surbl.org name
carl
parents: 121
diff changeset
124 5.14 2006-03-13
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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125 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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126 multi.surbl.org
e8971c595845 fix typo in multi.surbl.org name
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127
117
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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128 5.13 2006-03-12
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
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129 patch from Jeff Evans <jeffe@tricab.com>
121
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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130 add SURBL/URIBL lookups, remove trailing dots from hostnames,
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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131 allow ip address literals as hostnames.
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
carl
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132 add configuration for surbl/uribl list and reject message
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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133
115
07e5d4721213 use larger resolver buffer
carl
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134 5.12 2006-01-08
07e5d4721213 use larger resolver buffer
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135 Use larger resolver buffer to accomodate spammers with many name
07e5d4721213 use larger resolver buffer
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136 servers. A current example is life-all.com which needs to retry in
07e5d4721213 use larger resolver buffer
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137 tcp mode to fetch the 1444 byte response.
07e5d4721213 use larger resolver buffer
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138
116
0094678a16d0 update all systems from tarball, make chkconfig creates dnsbl user if needed
carl
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139 '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
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140
113
a893afee4b80 move to autoconf/automake/docbook
carl
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141 5.11 2005-12-20
a893afee4b80 move to autoconf/automake/docbook
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142 switch to autoconf/automake/docbook
a893afee4b80 move to autoconf/automake/docbook
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143
102
d9c64bafbf60 fix compile error on fc3
carl
parents: 101
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144 5.10 2005-10-16
d9c64bafbf60 fix compile error on fc3
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145 Fix a compile error on Fedora Core 3.
d9c64bafbf60 fix compile error on fc3
carl
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146 Discovered by Nigel Horne <njh@bandsman.co.uk>
d9c64bafbf60 fix compile error on fc3
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147
101
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
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148 5.9 2005-09-26
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
carl
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diff changeset
149 Fix a bug with empty return paths passed to the verification code.
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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150 That resulted in 'MAIL FROM:<<>>' being sent to the verification
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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151 mail server.
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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152
100
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
carl
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153 5.8 2005-09-25
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
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154 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
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155 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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156
99
f8963ddf7143 failed to return a value from parse_verify()
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157 5.7 2005-09-23
f8963ddf7143 failed to return a value from parse_verify()
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158 Failed to return a value from parse_verify() which caused failures
f8963ddf7143 failed to return a value from parse_verify()
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159 to load the configuration.
f8963ddf7143 failed to return a value from parse_verify()
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160
98
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
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161 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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162 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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163 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
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164
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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diff changeset
165 5.5 2005-09-21
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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166 Cleanup debug logging. Verify from/to pairs now remembers the last
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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167 from value sent to the remote server to prevent unnecessary rset
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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168 commands.
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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169
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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diff changeset
170 5.4 2005-09-18
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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171 Add verify statement to specify the smtp host to be used to verify
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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172 envelope from / recipient pairs.
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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173
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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174 Authenticated clients are now exempt from all white/black listing
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175 in addition to the dnsbl lookups.
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176
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177 dcc_to should not look at substitute mail_host. That is only used
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178 by dcc_from.
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179
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180 5.3 2005-08-07
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181 Properly quit if the config file has syntax errors on startup. Send
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182 mail to root if the config file needs to be reloaded since it was
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183 modified, but contains syntax errors. In this case, we continue to
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184 use the old configuration.
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185
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186 5.2 2005-08-02
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187 Patch from Stephen Johnson <stephen.johnson@arkansas.gov> fixing the
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188 lack of a default return value in CONTEXT::acceptable_content().
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189
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190 5.1 2005-07-20
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191 Add multiple syslog debug levels. Detect and silently remove
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192 duplicate DNSBL definitions. That allows us to accept mail to
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193 recipients in multiple domains that use the same blacklist and yet
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194 only check that blacklist once. This may happen when your config
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195 file directly includes as child contexts the config files used on
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196 your clients mail servers.
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197
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198 5.0 2005-07-16
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199 Major changes to the syntax of the config file. Content filtering
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200 is no longer a global mail server setting.
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201
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202 4.6 2005-04-02
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203 Fix enum compilation error on Fedora Core 3.
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204 Discovered by Nigel Horne <njh@bandsman.co.uk>
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205
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206 Remove bad html tag command from the default conf file. Spammers
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207 seem to have abandoned this.
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208
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209 Add toolbar.msn.click-url.com in hosts-ignore.conf. These are all
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210 commented, but you might want to uncomment them.
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211
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212 4.5 2005-01-22
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213 Add uuencode decoding for old style attachments.
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214
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215 4.4 2005-01-18
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216 Bug fix in forked process termination that left zombies.
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217
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218 4.3 2005-01-16
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219 Only keep 20% of the resolver sockets in the ready pool.
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220
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221 4.2 2005-01-08
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222 Use the separate resolver processes even if we don't have the
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223 resolver interfaces and need gethostbyname.
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224
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225 4.1 2005-01-06
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226 Use a local unix domain socket for the resolver process
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227 communication, rather than a tcp/ip socket.
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228
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229 4.0 2005-01-03
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230 Initialize the thread mutex objects early, before they are needed
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231 by possible calls to my_syslog.
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232
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233 Fork off a separate resolver listener process, so we can do multiple
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234 dns operations in parallel. For each simultaneous inbound email,
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235 we have a separate sendmail process, a milter thread, and a dns
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236 resolver process.
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237
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238 3.7 2004-10-28
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239 Added an 'ignore' command to the conf file, used to ignore some
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240 hosts that might end up on the SBL and otherwise trip the content
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241 scanning filter. In particular, many recent Microsoft Word
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242 documents contain the string www.5iantlavalamp.com which is
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243 associated with their smart tags stuff. That is currently hosted at
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244 216.168.224.70, which is shared with a site that ended up on the
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245 SBL.
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246
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247 3.6 2004-09-08
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248 Contributions from Dan Harkless <software@harkless.org>
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249 Better documentation for disabling the content filtering.
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250 Don't bother looking at the body text if we are not doing
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251 content filtering.
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252
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253 3.5 2004-07-17
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254 Extend the error message for content filtering when the NS record
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255 points to an ip address on the SBL. Include the original host name
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256 that referenced that NS name.
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257
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258
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259 3.4 2004-07-15
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260 Tokens with two consecutive periods cannot be ip addresses or host
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261 names.
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262
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263 Updated dnsbl.spec file for building rpms from John Gunkel.
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264
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265
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266 3.3 2004-07-09
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267 Drop root priviledges properly, including the group id.
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268
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269
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270 3.2 2004-07-09
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271
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272 Contributions from John Gunkel <jgunkel@palliser.ca>:
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273 Add .spec file for building rpms, contributed by John Gunkel
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274
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275 Changes to file layout to conform to RedHat/LSB standards.
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276
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277 Add some html (actually xml) tags used by Apple mac print
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278 subsystem that were tripping the html tag detector.
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279
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280 Help with changes required to allow dnsbl to drop root
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281 priviledges. Move the socket to /var/run/dnsbl/dnsbl.sock
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282
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283 Change parser to handle &#xnnn; obfuscated urls with charaters
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284 specified in hex.
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285
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286 Make bad_html tags more sensitive to binary tags, to reduce false
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287 positives in .zip or .tar.gz file attachments.
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288
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289 Add sendmail queueid to the dnsbl syslog messages.
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290
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291 Fix one place where host names were not forced to lower case.
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292 Discovered by Nigel Horne <njh@bandsman.co.uk>
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293
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294 Remove duplicate dns queries within the same smtp transaction from
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295 the body content filtering. This helps if the mail server does not
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296 have a nearby caching dns server.
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297
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298 Add host_soft_limit config keyword. Use only one of host_limit or
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299 host_soft_limit, since the last one wins. The host_limit is a hard
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300 upper limit on the number of host names in a message. The
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301 host_soft_limit allows unlimited host names, but only checks a
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302 random sample of them against the dnsbl.
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303
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304 The main thread has dropped root priviledges, but other threads
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305 are still running as root. This needs to be fixed.