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annotate ChangeLog @ 168:6bac960af6b4

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add generic reverse dns filtering regex
author carl
date Thu, 30 Aug 2007 11:08:46 -0700
parents 9b129ed78d7d
children 44021d570958
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
168
6bac960af6b4 add generic reverse dns filtering regex
carl
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3 6.07 2007-08-30
6bac960af6b4 add generic reverse dns filtering regex
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4 Add generic reverse dns filtering with regular expression.
6bac960af6b4 add generic reverse dns filtering regex
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5
6bac960af6b4 add generic reverse dns filtering regex
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6 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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7 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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8 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.
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9 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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10 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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11
168
6bac960af6b4 add generic reverse dns filtering regex
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12 6.05 2007-08-26
165
bf828f785407 fix unitialized variable
carl
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13 Fix unitialized variable in my spamassassin code.
bf828f785407 fix unitialized variable
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14
168
6bac960af6b4 add generic reverse dns filtering regex
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15 6.04 2007-08-26
165
bf828f785407 fix unitialized variable
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16 Add spamassassin integration via spamc, code from spamass-milter.
bf828f785407 fix unitialized variable
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17
162
c4bce911c276 don't add auto whitelist for A to A
carl
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18 6.03 2007-07-14
c4bce911c276 don't add auto whitelist for A to A
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19 Don't add auto whitelist entries for our own domains.
c4bce911c276 don't add auto whitelist for A to A
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20
160
b3ed72ee6564 allow manual updates to auto whitelist files
carl
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21 6.02 2007-07-10
b3ed72ee6564 allow manual updates to auto whitelist files
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22 Allow manual updates to the auto whitelisting files, mainly for
b3ed72ee6564 allow manual updates to auto whitelist files
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23 scp or rsync synchronization between primary and backup mx
b3ed72ee6564 allow manual updates to auto whitelist files
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24 systems.
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25
152
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
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26 6.01 2007-07-07
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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27 GPL3. Block mail to recipients that cannot reply. Start auto
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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28 whitelisting.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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29
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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30 5.30 2007-06-09
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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31 Selinux fix - redirect stdout for useradd to make selinux happy.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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32
151
0e8ec3c483ce limit dns resolver timeouts and retry interval
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33 5.29 2007-03-27
150
a23ef169d322 limit dns resolver timeouts and retry interval
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34 Limit dns resolver to two retries five seconds apart.
a23ef169d322 limit dns resolver timeouts and retry interval
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35
149
9581f6e62574 switch to second context wins in all cases
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36 5.28 2007-02-19
9581f6e62574 switch to second context wins in all cases
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37 Change the conflict resolution algorithm to "second one wins" if we
9581f6e62574 switch to second context wins in all cases
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38 have two contexts that both define env_to user@. Update ICANN tld
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39 list.
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40
148
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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41 5.27 2007-01-30
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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42 Allow 'inherit' as an env_from target. Documentation cleanup
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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43 from G.W. Haywood.
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44
147
812c80305f26 fix 5.23 bug and add fsa debug logging
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45 5.26 2006-12-04
812c80305f26 fix 5.23 bug and add fsa debug logging
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46 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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47 seeing any host names in the body.
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48
145
9b9bab1d3c21 dump effective dnsbl_list with -c switch
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49 5.25 2006-10-15
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50 DNSBL lists are inherited, so dump the effective list with the
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51 -c switch.
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52
144
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
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53 5.24 2006-10-15
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
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54 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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55 env_to address. Only dump the rate limit for the default context
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56 with -c switch.
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57
143
ecb40aa3eaa5 require two periods for ip addresses
carl
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58 5.23 2006-10-10
ecb40aa3eaa5 require two periods for ip addresses
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59 Require two periods in ip addresses.
ecb40aa3eaa5 require two periods for ip addresses
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60
140
4028de9b46dd cleanup smtp rate limit code
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61 5.22 2006-09-27
4028de9b46dd cleanup smtp rate limit code
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62 Change syntax for default rate limit. Improve hourly reset of
4028de9b46dd cleanup smtp rate limit code
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63 limits. Warning for rate limits in non default contexts to allow
4028de9b46dd cleanup smtp rate limit code
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64 nesting of client configurations.
4028de9b46dd cleanup smtp rate limit code
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65
136
f4746d8a12a3 add smtp auth rate limits
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66 5.21 2006-09-26
f4746d8a12a3 add smtp auth rate limits
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67 Add SMTP AUTH recipient rate limits, to help throttle infected
f4746d8a12a3 add smtp auth rate limits
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68 client machines and accounts with weak cracked passwords.
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69
134
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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70 5.20 2006-08-02
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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71 Fully qualify all dns lookups. Fix my_read() bug. Try to convert
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72 names that might be ip addresses via inet_aton before doing dns
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73 lookups.
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74
131
df355d117199 uribl lookups fully qualified; allow two component host names
carl
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75 5.19 2006-08-01
df355d117199 uribl lookups fully qualified; allow two component host names
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76 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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77 qualified. Check host names with only two components, since
df355d117199 uribl lookups fully qualified; allow two component host names
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78 spammers are now using bare http://domain.tld references.
133
b8ce1b31237d uribl lookups fully qualified; allow two component host names
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79 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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80
128
9ab51896447f don't do uribl lookups on rfc1918 address space
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81 5.18 2006-04-27
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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82 Bug fix - newer sendmail versions don't guarantee envelope addresses
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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83 enclosed in <> wrapper.
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84
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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85 Document backscatter prevention configuration for systems that are
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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86 used to mainly spam filter and then forward to mail to the internal
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87 server.
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88
128
9ab51896447f don't do uribl lookups on rfc1918 address space
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89 Never ask uribl blacklists about rfc1918 address space.
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90
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
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91 5.17 2006-03-25
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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92 Never ask dns blacklists about rfc1918 address space.
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
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93
125
8b1562482b29 put hostname in smtp message for uribl style lookups
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94 5.16 2006-03-16
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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95 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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96 reference the host name, not the ip address.
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97
123
ecd97e7eb1f0 properly return error code with reject reason
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98 5.15 2006-03-15
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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99 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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100 reason when rejecting mail for content filtering.
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101
122
e8971c595845 fix typo in multi.surbl.org name
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102 5.14 2006-03-13
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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103 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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104 multi.surbl.org
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105
117
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
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106 5.13 2006-03-12
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
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107 patch from Jeff Evans <jeffe@tricab.com>
121
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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108 add SURBL/URIBL lookups, remove trailing dots from hostnames,
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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109 allow ip address literals as hostnames.
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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110 add configuration for surbl/uribl list and reject message
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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111
115
07e5d4721213 use larger resolver buffer
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112 5.12 2006-01-08
07e5d4721213 use larger resolver buffer
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113 Use larger resolver buffer to accomodate spammers with many name
07e5d4721213 use larger resolver buffer
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114 servers. A current example is life-all.com which needs to retry in
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115 tcp mode to fetch the 1444 byte response.
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116
116
0094678a16d0 update all systems from tarball, make chkconfig creates dnsbl user if needed
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117 '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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118
113
a893afee4b80 move to autoconf/automake/docbook
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119 5.11 2005-12-20
a893afee4b80 move to autoconf/automake/docbook
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120 switch to autoconf/automake/docbook
a893afee4b80 move to autoconf/automake/docbook
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121
102
d9c64bafbf60 fix compile error on fc3
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122 5.10 2005-10-16
d9c64bafbf60 fix compile error on fc3
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123 Fix a compile error on Fedora Core 3.
d9c64bafbf60 fix compile error on fc3
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124 Discovered by Nigel Horne <njh@bandsman.co.uk>
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125
101
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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126 5.9 2005-09-26
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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127 Fix a bug with empty return paths passed to the verification code.
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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128 That resulted in 'MAIL FROM:<<>>' being sent to the verification
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129 mail server.
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130
100
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
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131 5.8 2005-09-25
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
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132 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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133 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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134
99
f8963ddf7143 failed to return a value from parse_verify()
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135 5.7 2005-09-23
f8963ddf7143 failed to return a value from parse_verify()
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136 Failed to return a value from parse_verify() which caused failures
f8963ddf7143 failed to return a value from parse_verify()
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137 to load the configuration.
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138
98
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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139 5.6 2005-09-22
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140 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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141 when generated during config file reloads during normal operation.
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142
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143 5.5 2005-09-21
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144 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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145 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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146 commands.
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147
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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148 5.4 2005-09-18
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149 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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150 envelope from / recipient pairs.
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151
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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152 Authenticated clients are now exempt from all white/black listing
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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153 in addition to the dnsbl lookups.
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154
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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155 dcc_to should not look at substitute mail_host. That is only used
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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156 by dcc_from.
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157
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158 5.3 2005-08-07
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159 Properly quit if the config file has syntax errors on startup. Send
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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160 mail to root if the config file needs to be reloaded since it was
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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161 modified, but contains syntax errors. In this case, we continue to
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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162 use the old configuration.
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163
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164 5.2 2005-08-02
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165 Patch from Stephen Johnson <stephen.johnson@arkansas.gov> fixing the
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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166 lack of a default return value in CONTEXT::acceptable_content().
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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167
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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168 5.1 2005-07-20
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169 Add multiple syslog debug levels. Detect and silently remove
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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170 duplicate DNSBL definitions. That allows us to accept mail to
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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171 recipients in multiple domains that use the same blacklist and yet
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172 only check that blacklist once. This may happen when your config
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173 file directly includes as child contexts the config files used on
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174 your clients mail servers.
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175
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176 5.0 2005-07-16
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177 Major changes to the syntax of the config file. Content filtering
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178 is no longer a global mail server setting.
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179
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180 4.6 2005-04-02
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181 Fix enum compilation error on Fedora Core 3.
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182 Discovered by Nigel Horne <njh@bandsman.co.uk>
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183
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184 Remove bad html tag command from the default conf file. Spammers
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185 seem to have abandoned this.
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186
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187 Add toolbar.msn.click-url.com in hosts-ignore.conf. These are all
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188 commented, but you might want to uncomment them.
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189
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190 4.5 2005-01-22
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191 Add uuencode decoding for old style attachments.
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192
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193 4.4 2005-01-18
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194 Bug fix in forked process termination that left zombies.
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195
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196 4.3 2005-01-16
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197 Only keep 20% of the resolver sockets in the ready pool.
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198
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199 4.2 2005-01-08
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200 Use the separate resolver processes even if we don't have the
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201 resolver interfaces and need gethostbyname.
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202
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203 4.1 2005-01-06
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204 Use a local unix domain socket for the resolver process
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205 communication, rather than a tcp/ip socket.
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206
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207 4.0 2005-01-03
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208 Initialize the thread mutex objects early, before they are needed
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209 by possible calls to my_syslog.
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210
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211 Fork off a separate resolver listener process, so we can do multiple
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212 dns operations in parallel. For each simultaneous inbound email,
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213 we have a separate sendmail process, a milter thread, and a dns
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214 resolver process.
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215
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216 3.7 2004-10-28
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217 Added an 'ignore' command to the conf file, used to ignore some
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218 hosts that might end up on the SBL and otherwise trip the content
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219 scanning filter. In particular, many recent Microsoft Word
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220 documents contain the string www.5iantlavalamp.com which is
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221 associated with their smart tags stuff. That is currently hosted at
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222 216.168.224.70, which is shared with a site that ended up on the
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223 SBL.
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224
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225 3.6 2004-09-08
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226 Contributions from Dan Harkless <software@harkless.org>
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227 Better documentation for disabling the content filtering.
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228 Don't bother looking at the body text if we are not doing
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229 content filtering.
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230
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231 3.5 2004-07-17
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232 Extend the error message for content filtering when the NS record
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233 points to an ip address on the SBL. Include the original host name
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234 that referenced that NS name.
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235
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236
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237 3.4 2004-07-15
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238 Tokens with two consecutive periods cannot be ip addresses or host
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239 names.
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240
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241 Updated dnsbl.spec file for building rpms from John Gunkel.
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242
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243
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244 3.3 2004-07-09
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245 Drop root priviledges properly, including the group id.
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246
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247
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248 3.2 2004-07-09
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249
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250 Contributions from John Gunkel <jgunkel@palliser.ca>:
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251 Add .spec file for building rpms, contributed by John Gunkel
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252
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253 Changes to file layout to conform to RedHat/LSB standards.
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254
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255 Add some html (actually xml) tags used by Apple mac print
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256 subsystem that were tripping the html tag detector.
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257
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258 Help with changes required to allow dnsbl to drop root
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259 priviledges. Move the socket to /var/run/dnsbl/dnsbl.sock
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260
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261 Change parser to handle &#xnnn; obfuscated urls with charaters
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262 specified in hex.
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263
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264 Make bad_html tags more sensitive to binary tags, to reduce false
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265 positives in .zip or .tar.gz file attachments.
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266
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267 Add sendmail queueid to the dnsbl syslog messages.
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268
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269 Fix one place where host names were not forced to lower case.
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270 Discovered by Nigel Horne <njh@bandsman.co.uk>
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271
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272 Remove duplicate dns queries within the same smtp transaction from
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273 the body content filtering. This helps if the mail server does not
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274 have a nearby caching dns server.
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275
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276 Add host_soft_limit config keyword. Use only one of host_limit or
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277 host_soft_limit, since the last one wins. The host_limit is a hard
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278 upper limit on the number of host names in a message. The
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279 host_soft_limit allows unlimited host names, but only checks a
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280 random sample of them against the dnsbl.
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281
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282 The main thread has dropped root priviledges, but other threads
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283 are still running as root. This needs to be fixed.