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annotate ChangeLog @ 92:505e77188317

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optimize verification step, cleanup documentation
author carl
date Wed, 21 Sep 2005 08:00:08 -0700
parents ca46fafc6621
children 91c27c00048f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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88
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1 $Id$
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2
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3 5.5 2005-09-21
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4 Cleanup debug logging. Verify from/to pairs now remembers the last
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5 from value sent to the remote server to prevent unnecessary rset
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6 commands.
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7
90
962a1f8f1d9f add verify statement to verify addresses with better mx host
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8 5.4 2005-09-18
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9 Add verify statement to specify the smtp host to be used to verify
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10 envelope from / recipient pairs.
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11
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12 Authenticated clients are now exempt from all white/black listing
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13 in addition to the dnsbl lookups.
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14
91
ca46fafc6621 dcc_to should not look at substitute mail_host
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15 dcc_to should not look at substitute mail_host. That is only used
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16 by dcc_from.
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17
89
946fc1bcfb2c don't load null config pointer, keep the old one
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18 5.3 2005-08-07
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19 Properly quit if the config file has syntax errors on startup. Send
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20 mail to root if the config file needs to be reloaded since it was
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21 modified, but contains syntax errors. In this case, we continue to
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22 use the old configuration.
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23
88
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24 5.2 2005-08-02
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25 Patch from Stephen Johnson <stephen.johnson@arkansas.gov> fixing the
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26 lack of a default return value in CONTEXT::acceptable_content().
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27
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28 5.1 2005-07-20
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29 Add multiple syslog debug levels. Detect and silently remove
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30 duplicate DNSBL definitions. That allows us to accept mail to
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31 recipients in multiple domains that use the same blacklist and yet
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32 only check that blacklist once. This may happen when your config
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33 file directly includes as child contexts the config files used on
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34 your clients mail servers.
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35
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36 5.0 2005-07-16
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37 Major changes to the syntax of the config file. Content filtering
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38 is no longer a global mail server setting.
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39
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40 4.6 2005-04-02
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41 Fix enum compilation error on Fedora Core 3.
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42 Discovered by Nigel Horne <njh@bandsman.co.uk>
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43
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44 Remove bad html tag command from the default conf file. Spammers
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45 seem to have abandoned this.
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46
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47 Add toolbar.msn.click-url.com in hosts-ignore.conf. These are all
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48 commented, but you might want to uncomment them.
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49
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50 4.5 2005-01-22
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51 Add uuencode decoding for old style attachments.
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52
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53 4.4 2005-01-18
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54 Bug fix in forked process termination that left zombies.
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55
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56 4.3 2005-01-16
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57 Only keep 20% of the resolver sockets in the ready pool.
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58
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59 4.2 2005-01-08
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60 Use the separate resolver processes even if we don't have the
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61 resolver interfaces and need gethostbyname.
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62
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63 4.1 2005-01-06
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64 Use a local unix domain socket for the resolver process
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65 communication, rather than a tcp/ip socket.
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66
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67 4.0 2005-01-03
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68 Initialize the thread mutex objects early, before they are needed
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69 by possible calls to my_syslog.
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70
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71 Fork off a separate resolver listener process, so we can do multiple
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72 dns operations in parallel. For each simultaneous inbound email,
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73 we have a separate sendmail process, a milter thread, and a dns
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74 resolver process.
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75
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76 3.7 2004-10-28
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77 Added an 'ignore' command to the conf file, used to ignore some
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78 hosts that might end up on the SBL and otherwise trip the content
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79 scanning filter. In particular, many recent Microsoft Word
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80 documents contain the string www.5iantlavalamp.com which is
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81 associated with their smart tags stuff. That is currently hosted at
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82 216.168.224.70, which is shared with a site that ended up on the
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83 SBL.
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84
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85 3.6 2004-09-08
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86 Contributions from Dan Harkless <software@harkless.org>
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87 Better documentation for disabling the content filtering.
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88 Don't bother looking at the body text if we are not doing
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89 content filtering.
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90
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91 3.5 2004-07-17
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92 Extend the error message for content filtering when the NS record
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93 points to an ip address on the SBL. Include the original host name
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94 that referenced that NS name.
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95
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96
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97 3.4 2004-07-15
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98 Tokens with two consecutive periods cannot be ip addresses or host
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99 names.
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100
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101 Updated dnsbl.spec file for building rpms from John Gunkel.
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102
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103
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104 3.3 2004-07-09
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105 Drop root priviledges properly, including the group id.
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106
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107
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108 3.2 2004-07-09
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109
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110 Contributions from John Gunkel <jgunkel@palliser.ca>:
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111 Add .spec file for building rpms, contributed by John Gunkel
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112
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113 Changes to file layout to conform to RedHat/LSB standards.
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114
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115 Add some html (actually xml) tags used by Apple mac print
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116 subsystem that were tripping the html tag detector.
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117
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118 Help with changes required to allow dnsbl to drop root
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119 priviledges. Move the socket to /var/run/dnsbl/dnsbl.sock
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120
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121 Change parser to handle &#xnnn; obfuscated urls with charaters
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122 specified in hex.
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123
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124 Make bad_html tags more sensitive to binary tags, to reduce false
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125 positives in .zip or .tar.gz file attachments.
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126
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127 Add sendmail queueid to the dnsbl syslog messages.
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128
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129 Fix one place where host names were not forced to lower case.
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130 Discovered by Nigel Horne <njh@bandsman.co.uk>
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131
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132 Remove duplicate dns queries within the same smtp transaction from
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133 the body content filtering. This helps if the mail server does not
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134 have a nearby caching dns server.
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135
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136 Add host_soft_limit config keyword. Use only one of host_limit or
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137 host_soft_limit, since the last one wins. The host_limit is a hard
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138 upper limit on the number of host names in a message. The
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139 host_soft_limit allows unlimited host names, but only checks a
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140 random sample of them against the dnsbl.
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141
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142 The main thread has dropped root priviledges, but other threads
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143 are still running as root. This needs to be fixed.