Mercurial > dnsbl

annotate ChangeLog @ 150:a23ef169d322

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