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1 /* ========================================================================
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2 * Copyright 1988-2008 University of Washington
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3 *
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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7 *
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8 * http://www.apache.org/licenses/LICENSE-2.0
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9 *
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10 *
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11 * ========================================================================
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12 */
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13
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3
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14 Updated: 22 July 2011
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15
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16 imap-2007f fixes a couple bugs.
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17 Fix for RFC 4959 Initial Client Response auth failures noted first by
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18 MacOSX Lion Mail users.
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19 Adjust tcp_open.c:tcp_socket_open to make it a little more useful by adding
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20 a write file descriptor test to the select in the case that the open
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21 timeout is set.
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22 In osdep/unix/env_unix.c:create_path there was a printf that should have
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23 been an sprintf. Doesn't matter on modern systems.
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24
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0
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25 Updated: 16 December 2008
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26
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27 imap-2007e is a maintenance release, consisting primarily of bugfixes to
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28 problems discovered in the release that affected a small number of users
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29 plus a security fix for users of the RFC822BUFFER routines.
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30
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31
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32 Updated: 29 October 2008
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33
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34 imap-2007d is a maintenance release, consisting primarily of bugfixes to
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35 problems discovered in the release that affected a small number of users
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36 plus a security fix for users of tmail or dmail.
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37
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38
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39 Updated: 25 March 2008
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40
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41 imap-2007b is a maintenance release, consisting primarily of bugfixes to
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42 problems discovered in the release that affected a small number of users.
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43
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44
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45 Updated: 2 January 2008
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46
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47 imap-2007a is a maintenance release, consisting primarily of bugfixes to
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48 problems discovered in the release that affected a small number of users.
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49
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50
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51 Updated: 20 December 2007
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52
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53 imap-2007 is a release corresponding with the release of Alpine 1.0.
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54 The primary focus of the imap-2007 release is bugfixes and reliability
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55 improvements. This includes:
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56 . fixes to problems discovered between the Alpine 0.99999 pre-release
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57 and Alpine 1.0
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58 . fixes to the mix driver to timing race problems uncovered by Timo
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59 Sirainen's imaptest suite. imap-2007 using the mix format is
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60 believed to pass imaptest completely.
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61
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62 A new function, utf8_csvalidmap(), has been added for the benefit of
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63 Alpine to use in examining UTF-8 text and determining efficiently
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64 whether it can be downgraded to a legacy charset. If you develop an
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65 MUA, this may be useful for you too, although you'll have to read the
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66 source code to see how to use it. The purpose of the "not-CJK" bit is
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67 to prevent messages being downgraded to a CJK charset if all they have
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68 in that charset are some special punctuation.
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69
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70
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71 Updated: 5 September 2007
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72
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73 imap-2006k is a maintenance release, consisting primarily of bugfixes to
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74 problems discovered in the release that affected a small number of users.
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75
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76 The primary focus of this maintenance release is to correct deadlock
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77 issues. There were two major causes of the deadlocks:
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78 . a change in imap-2006i attempted to resolve a glibc mutex-based
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79 deadlock in imapd's signal handler, but ended up worsening the problem.
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80 . a bug in the mbx driver, introduced as part of the UIDPLUS work in 2006,
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81 applied an mbx-style lock briefly on a traditional UNIX format mailbox.
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82 If the traditional UNIX format mailbox was already locked by some other
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83 process, the result would be a deadlock of both processes.
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84
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85 imapd's signal handling logic is rewritten to avoid the mutex issue, and
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86 the mbx driver is fixed so that mbx-style locks are only applied to mbx
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87 format mailboxes.
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88
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89 imapd now supports the WITHIN extension.
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90
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91
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92 Updated: 14 June 2007
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93
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94 imap-2006j is a maintenance release, consisting primarily of bugfixes to
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95 problems discovered in the release that affected a small number of users.
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96
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97
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98 Updated: 5 June 2007
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99
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100 imap-2006i is a maintenance release, consisting primarily of bugfixes to
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101 problems discovered in the release that affected a small number of users.
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102
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103 imapd now supports the CHILDREN and ESEARCH extensions.
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104
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105 imapd's attempt to return COPYUID/APPENDUID information for a traditional
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106 UNIX (and MMDF) format mailbox when the mailbox is open by another process
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107 has been declared to be a failure and is now revoked. It was subject to a
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108 timing race, loss of which involved an expensive reset of the mailbox's UID
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109 regime. Any imapd COPY or APPEND to a traditional UNIX or MMDF format that
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110 is open by some other process will now no longer return COPYUID/APPEND.
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111 Although this is technically in violation of RFC 4315, there is a loophole
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112 in that document and the timing race/performance problem is worse.
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113
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114
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115 Updated: 4 April 2007
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116
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117 imap-2006h is a maintenance release, consisting primarily of bugfixes to
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118 problems discovered in the release that affected a small number of users.
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119
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120
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121 Updated: 30 March 2007
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122
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123 imap-2006g is a maintenance release, consisting primarily of bugfixes to
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124 problems discovered in the release that affected a small number of users.
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125
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126
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127 Updated: 30 January 2007
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128
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129 imap-2006f is a maintenance release, consisting primarily of bugfixes to
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130 problems discovered in the release that affected a small number of users.
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131
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132 For the benefit of multi-threaded applications, use of strtok() has been
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133 abolished in the c-client library. imapd and ipop3d stuff use it though.
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134 The TOPS-20 and VAX/VMS ports still use strtok() since they don't use UNIX
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135 threads.
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136
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137 This version has been test-built on Linux, Mac OS X, NeXT, Windows XP,
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138 TOPS-20, and VAX/VMS. This will probably be the last test-build on VAX/VMS
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139 since the system I use for that purpose is being shut down. I have no way
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140 to test-build on DOS, legacy Mac OS (OS 9 and earlier), OS/2, or Windows CE;
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141 and the builds on those systems are probably broken.
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142
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143
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144 Updated: 26 January 2007
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145
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146 imap-2006e is a maintenance release, consisting primarily of bugfixes to
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147 problems discovered in the release that affected a small number of users.
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148
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149
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150 Updated: 6 December 2006
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151
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152 imap-2006d is a maintenance release, consisting primarily of bugfixes to
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153 problems discovered in the release that affected a small number of users.
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154
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155 The decomposition mapping, title-case mapping, and character widths tables
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156 have been updated to comply with the Unicode 5.0 standard.
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157
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158 Prototypes for the utf8aux.c functions have been moved to a new utf8aux.h.
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159
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160 The general c-client modules now include c-client.h instead of the individual
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161 files. Use of c-client.h instead of individual include files insulates
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162 against future shuffling of include files.
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163
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164
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165 Updated: 23 October 2006
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166
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167 imap-2006c is a maintenance release, consisting primarily of bugfixes to
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168 problems discovered in the release that affected a small number of users.
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169
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170 By popular request, if a user has a mix (or other dual-use) format INBOX,
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171 it will no longer be listed as \NoInferiors. It's a bad idea to depend
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172 upon this due to the case ambiguity issue, but it's there.
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173
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174
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175 Updated: 26 September 2006
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176
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177 imap-2006b is a maintenance release, consisting entirely of bugfixes to
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178 problems discovered in the release that affected a small number of users.
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179
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180
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181 Updated: 15 September 2006
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182
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183 imap-2006a is a maintenance release, consisting entirely of bugfixes to
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184 problems discovered in the release that affected a small number of users.
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185
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186 If it is necessary to build IPv4-only on one of the ports that has IPv6
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187 preconfigured (ldb, lfd, lmd, lrh, lsu, osx, oxp), this can be done by
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188 using IP6=4. You can't do IP=4 in the build command directly since these
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189 ports set IP themselves; however, now instead of setting IP=6 they now set
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190 IP=$(IP6).
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191
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192
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193 Updated: 30 August 2006
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194
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195 imap-2006 is a major release. Programs written for imap-2004g should
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196 build with this version with minor or no modification. imap-2005 was not
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197 released except as development snapshots.
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198
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199 imap-2006 contains major extensions to its Unicode support. Searching and
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200 sorting are now done with strings canonicalized to titlecase and decomposed
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201 form. Among other things, this means that Latin letters with diacriticals
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202 will now sort with the basic Latin letter, and case-independent searching of
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203 such letters (e.g., German umlauts) now works. Previously, sorting was done
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204 strictly by Unicode codepoint, and case-independence only worked with ASCII.
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205
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206 imapd now supports the UIDPLUS extension for mailboxes in unix, mmdf, mbx, mx,
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207 and mix formats. UID EXPUNGE is fully implemented. Note that UIDPLUS is not
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208 supported in the little-used drivers (mh, mtx, tenex) in which meaningful
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209 APPENDUID/COPYUID data can not be returned. Refer to bugs.txt for more
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210 details.
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211
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212 The new mix format is a dual-use mailbox format designed for performance and
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213 reliability with large mailboxes. mix is documented in file mixfmt.txt.
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214
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215 SSL/TLS certificate validation on UNIX now checks the alternative names in the
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216 certificate if the CN does not match.
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217
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218 The new /tls-sslv23 flag in a mailbox name causes a TLS session to use the
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219 (incorrect) SSLv23 client method instead of the TLSv1 client method. Some
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220 broken servers use the SSLv23 server method, and this flag works around that
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221 problem. WARNING: use of this flag will cause TLS negotiation to fail with
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222 a server which uses the proper TLSv1 server method. Additionally, there are
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223 known security risks in SSLv2; so users should be suspicious if this switch
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224 suddenly becomes necesary.
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225
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226 The silly mailbox flag combination /ssl/tls is now rejected as an invalid
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227 remote specification. Previous versions tried to negotiate TLS over an SSL
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228 session; even if the server permitted such a thing it couldn't work.
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229
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230 The memory management of several drivers has been redesigned to consume less
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231 memory and hopefully be faster.
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232
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233 The private.data member of the MESSAGECACHE (elt) has been replaced with
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234 a union that contains private.spare.data and private.spare.ptr, the latter
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235 being a pointer.
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236
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237 A new FT_RETURNSTRINGSTRUCT flag has been added for mail_fetch_body() and
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238 mail_fetch_text() calls. If this flag is set, *and* if the function returns
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239 NIL, then the requested string data is available on a stringstruct on
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240 stream->private.string. This is a special hack for the IMAP and POP servers
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241 and is subject to incompatible change. The result is a major performance
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242 improvement in the servers with the mbx driver, particularly with large
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243 messages.
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244
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245
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246 Updated: 15 September 2005
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247
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248 imap-2004g is a maintenance release, and consists solely of a bugfix to
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249 quoted string handling in the mailbox name parsing routine.
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250
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251
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252 Updated: 15 August 2005
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253
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254 imap-2004f is a maintenance release, and consists solely of a bugfix to
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255 the TCP code.
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256
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257 Also included is a new version of the UNIX SSL/TLS routines that allows the
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258 SSL/TLS certificate validation client code to validate alternative names in
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259 server certificates. This code has not been thoroughly regression-tested but
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260 is believed to work. To use this new code instead of the old support:
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261 cd imap-2004f/src/osdep/unix
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262 mv ssl_unix.c ssl_unix.old
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263 mv ssl_unix.new ssl_unix.c
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264 Then rebuild.
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265
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266
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267 Updated: 21 June 2005
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268
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269 imap-2004e is a maintenance release, consisting entirely of bugfixes.
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270
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271 There are no user-visible functional enhancements in this version.
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272
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273
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274 Updated: 20 April 2005
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275
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276 imap-2004d is a maintenance release, released concurrently with Pine
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277 4.63, and consists primarily of bugfixes
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278
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279 There is now a workaround for RedHat breaking flock(). However, since
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280 RedHat has said that they don't support flock(), there is no guarantee
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281 that they won't break it in the future. So you may want to consider some
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282 other Linux distribution or BSD instead. See:
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283 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=123415
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284 for the gruesome details.
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285
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286 There are no user-visible functional enhancements in this version.
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287
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288
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289 Updated: 18 January 2005
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290
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291 imap-2004c is a maintenance release, released concurrently with Pine
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292 4.62, including fixes to quoted-printable encoding and CRAM-MD5
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293 authentication.
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294
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295 NNTP proxy in imapd now supports the LIST and LSUB commands.
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296
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297 There are no other user-visible functional enhancements in this version.
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298
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299
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300 Updated: 29 November 2004
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301
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302 imap-2004b is a maintenance release, consisting primarily of bugfixes.
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303 Programs written for imap-2004a will build with this version without
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304 modifification.
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305
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306 There are new ports for Solaris with Blastwave Community Open Source
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307 Software (gcs) and Mandrake Linux (lmd).
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308
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309 SET_SNARFINTERVAL now controls how frequently local drivers will move new
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310 mail from the mail spool as well as from a maildrop. Maildrops are still
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311 tied to a minimum interval of 1 minute, but there is now no minimum for the
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312 spool file.
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313
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314 Character set conversions now map non-breaking space to space if the
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315 destination character set doesn't have nbsp. JIS Roman yen sign is now
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316 mapped to Unicode yen sign.
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317
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318 There are no user-visible functional enhancements in this version.
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319
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320
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321 Updated: 8 July 2004
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322
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323 imap-2004a is a maintenance release, consisting primarily of critical
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324 bugfixes. Programs written for imap-2004 will build with this version
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325 without modification.
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326
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327 imapd now has a supported NNTP proxy capability. If the file /etc/imapd.nntp
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328 exists, the contents of that file are used as the host name of an NNTP
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329 server which will be used whenever a #news. name is used. For example, if
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330 /etc/imapd.nntp contains nntp.example.com, and the IMAP client SELECTs or
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331 EXAMINEs the name #news.comp.mail.imap, what will actually be opened in
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332 imapd is {nntp.example.com/nntp}comp.mail.imap
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333
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334 The OSF/1 port (Digital UNIX, Tru64) now uses flocksim instead of flcksafe.
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335 Some cretin decided to delete the winning flock() call and make flock() use
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336 the losing fcntl() call instead.
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337
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338 The unix[nt] and mmdf drivers now prevent mail_append() from writing Status:,
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339 X-Status:, X-UID, X-IMAP[base]:, and X-Keywords: header lines to a
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340 traditional UNIX or MMDF format mailbox. If any such lines are in the
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341 text supplied to mail_append(), they will be quoted by prefixing with
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342 "X-Original-" (e.g. Status: will become X-Original-Status:).
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343
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344 There are no user-visible functional enhancements in this version.
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345
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346
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347 Updated: 10 May 2004
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348
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349 imap-2004 is a major release. Programs written for imap-2002e should
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350 build with this version with minor modification. imap-2003 was not
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351 released except as development snapshots.
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352
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353 mailutil has three new commands: delete, rename, and prune.
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354
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355 IPv6 support now exists for UNIX and W2K. It is the default in W2K builds.
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356 On UNIX, add "IP=6" to the make command line. Windows IPv6 support is
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357 only for W2K builds.
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358
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359 The NNTP driver now supports NNTP SASL and TLS.
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360
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361 The ldb (Debian) and lrh (RedHat) ports now look for mlock on
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362 /usr/sbin/mlock instead of /etc/mlock.
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363
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364 imapd now supports the LITERAL+ and SASL-IR initial-response extensions.
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365
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366 The IMAP driver has some additional checks to reduce the amount of network
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367 traffic, including executing "silly searches" (searches of sequence numbers
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368 only) locally.
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369
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370 The IMAP, POP, SMTP, and NNTP drivers now have diagnostic code to provide
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371 better information about servers which violate SASL's empty challenge
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372 requirements (e.g. with the PLAIN mechanism).
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373
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374 There is a new mail_fetch_overview_sequence() function which is like
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375 mail_fetch_overview() but takes a sequence number string as an argument.
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376 There should have been a flags argument and FT_UID bit as in all the other
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377 mail_fetch_???() functions but compatibility with the past... :-(
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378
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379 The overview_t callback (from mail_fetch_overview()) now has a fourth
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380 argument which contains the message sequence number (as opposed to the UID
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381 which is in the second argument). It turned out that some applications were
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382 calling mail_msgno() (which can be moderately expensive) to get the sequence
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383 number, and c-client already knew it.
|
|
|
384
|
|
|
385 Many declarations which are completely internal to a driver have been removed
|
|
|
386 from the driver .h file, and in those cases where there are no external
|
|
|
387 declarations left the .h file has been eliminated entirely. As part of this,
|
|
|
388 the mbox driver routines are now incorporated with the unix driver routines
|
|
|
389 as opposed to being a separate file. The mbox driver still needs to be lunk
|
|
|
390 in order to get the mbox functionality.
|
|
|
391
|
|
|
392
|
|
|
393 Updated: 27 August 2003
|
|
|
394
|
|
|
395 imap-2002e is a minor release, released concurrently with Pine 4.58, and
|
|
|
396 contains primarily bugfixes. Programs written for imap-2002d will build
|
|
|
397 with this version without modification.
|
|
|
398
|
|
|
399 The NNTP client code now tries to perform better with legacy NNTP servers
|
|
|
400 which do not comply with the current NNTP protocol specification draft, most
|
|
|
401 notably Netscape Collabra.
|
|
|
402
|
|
|
403 Delivery notifications now work reliably with SMTP servers that support it.
|
|
|
404
|
|
|
405 The following changes are primarily of concern to developers and power users:
|
|
|
406
|
|
|
407 There is a "limited advertise" option in env_unix.c which, if set, will only
|
|
|
408 advertise the user's own namespace and the #shared/ namespace.
|
|
|
409
|
|
|
410 It is now possible to build the IMAP toolkit with a separate SSL KEY file
|
|
|
411 from the certificate file (SSLKEYS vs. SSLCERTS).
|
|
|
412
|
|
|
413 A new BODY structure element, sparep, is available for the main program to
|
|
|
414 use as a pointer for its own purposes; as well as a SET_FREEBODYSPAREP
|
|
|
415 function, similar to SET_FREEENVELOPESPAREP, SET_FREEELTSPAREP, etc.
|
|
|
416
|
|
|
417
|
|
|
418 Updated: 28 May 2003
|
|
|
419
|
|
|
420 imap-2002d is a minor release, released concurrently with Pine 4.56, and
|
|
|
421 contains primarily bugfixes. Programs written for imap-2002 should build
|
|
|
422 with this version without modification, with one exception. That exception
|
|
|
423 is the ngbogus envelope flag, which stopped being used in imap-2002c and is
|
|
|
424 now gone for good.
|
|
|
425
|
|
|
426 The NNTP newsgroup listing code now tries to use wildmats on the NNTP server,
|
|
|
427 which should result in better performance especially on slow lines. It is
|
|
|
428 also once again permitted to log in on NNTP servers when /loser is set.
|
|
|
429
|
|
|
430 imapd now supports the UNSELECT command.
|
|
|
431
|
|
|
432 A new envelope flag, imapenvonly, indicates that the envelope in a
|
|
|
433 MESSAGE/RFC822 BODY structure only has the IMAP envelope components and
|
|
|
434 not the additional components from c-client: Newsgroups, Followup-To,
|
|
|
435 and References.
|
|
|
436
|
|
|
437
|
|
|
438 Updated: 7 April 2003
|
|
|
439
|
|
|
440 imap-2002c is a minor release, released concurrently with Pine 4.55, and
|
|
|
441 contains primarily bugfixes. Programs written for imap-2002 will build
|
|
|
442 with this version without modification.
|
|
|
443
|
|
|
444 The POP3 driver will, with new servers that support CAPA, use the LIST
|
|
|
445 command to get the elt->rfc822_size and the TOP command to get the message
|
|
|
446 header, instead of fetching the entire message. Note that it is a bad idea
|
|
|
447 to do this with old servers, since they may misimplement LIST and TOP. The
|
|
|
448 result is a substantial performance improvement.
|
|
|
449
|
|
|
450 Subject extraction for comparisons in SORT and THREAD are now done in full
|
|
|
451 compliance with the rules laid out in the specification. This only makes
|
|
|
452 a difference if "re:" was part of a MIME quoted-word.
|
|
|
453
|
|
|
454 The new experimental #move namespace allows download-and-delete from a source
|
|
|
455 mailbox to a destination mailbox. Immediately following #move is a delimiter
|
|
|
456 character which must not appear in the source mailbox name, then the source
|
|
|
457 mailbox name, then the delimiter again, then the destination mailbox name.
|
|
|
458 For example:
|
|
|
459 #move+{pop3.foo.com/pop3}+INBOX
|
|
|
460 will download messages from "pop3.foo.com" into your local INBOX.
|
|
|
461
|
|
|
462 The NNTP driver now uses the LIST EXTENSIONS command as described in the
|
|
|
463 current NNTP protocol specification draft, and will prefer to use OVER over
|
|
|
464 XOVER, HDR over XHDR, etc.
|
|
|
465
|
|
|
466 The SET_NNTPRANGE function of mail_parameters() can be used to limit the
|
|
|
467 number of articles recognized by the NNTP driver, resulting in a substantial
|
|
|
468 performance improvement with NNTP servers that may have hundreds of thousands
|
|
|
469 of old articles in the spool. If set non-zero, then only the last n article
|
|
|
470 numbers will be considered. If you are on a slow link, you may want to set
|
|
|
471 this to 1000 or less.
|
|
|
472
|
|
|
473 Besides the normally tested UNIX and 32-bit Microsoft platforms, this release
|
|
|
474 has also been tested and will once build under TOPS-20 and VAX/VMS. I also
|
|
|
475 fixed a bug which would keep it from building on 16-bit DOS, but I don't know
|
|
|
476 if it will build on that platform or not since I no longer have a system with
|
|
|
477 the old DOS C compiler. It has not been tested on Macintosh (note however
|
|
|
478 that Mac OS X is a type of UNIX and should build), Amiga, or OS/2, and probably
|
|
|
479 no longer builds on those platforms.
|
|
|
480
|
|
|
481
|
|
|
482 Updated: 7 January 2003
|
|
|
483
|
|
|
484 imap-2002b is a maintenace release, released concurrently with Pine 4.52,
|
|
|
485 and contains only bugfixes. Programs written for imap-2002 will build with
|
|
|
486 this version without modification.
|
|
|
487
|
|
|
488 Drivers which do not announce new mail are now indicated by the DR_NONEWMAIL
|
|
|
489 driver flag. Driver which do not announce new mail when read-only are now
|
|
|
490 indicated by the DR_NONEWMAILRONLY flag.
|
|
|
491
|
|
|
492 There are no user-visible functional enhancements in this version.
|
|
|
493
|
|
|
494
|
|
|
495 Updated: 10 December 2002
|
|
|
496
|
|
|
497 imap-2002a is a maintenance release, consisting entirely of critical
|
|
|
498 bugfixes. Programs written for imap-2002 will build with this version
|
|
|
499 without modification.
|
|
|
500
|
|
|
501 There are no functional enhancements in this version.
|
|
|
502
|
|
|
503
|
|
|
504 Updated: 28 October 2002
|
|
|
505
|
|
|
506 imap-2002 is a major release. Programs written for imap-2001 will probably
|
|
|
507 build with this version without modification, with one exception. That
|
|
|
508 exception is if the program uses [GS]ET_DISABLEAUTOMATICSHAREDNAMESPACES,
|
|
|
509 which has been renamed to [GS]ET_DISABLEAUTOSHAREDNS in order to placate
|
|
|
510 some compilers which don't like very long names.
|
|
|
511
|
|
|
512 SSLTYPE=nopwd is now the default, in accordance with current IESG security
|
|
|
513 requirements. In order to build the IMAP toolkit without SSL/TLS you must
|
|
|
514 now use SSLTYPE=none. At initial build time, you will be told if the SSLTYPE
|
|
|
515 setting is in compliance with IESG security requirements, and if it is not
|
|
|
516 you will be asked to confirm to continue the build.
|
|
|
517
|
|
|
518 ORDEREDSUBJECT threading has been changed in accordance with draft 12 of the
|
|
|
519 IMAP threading specification. Previously, each non-root message in an
|
|
|
520 ORDEREDSUBJECT thread has been a child of the message immediately preceeding
|
|
|
521 it in the thread. Draft 12 changes this so that the second message in the
|
|
|
522 thread is the child of the first (root) message, and all subsequent messages
|
|
|
523 are siblings of the first message. This is significant in MUAs which display
|
|
|
524 the thread structure graphically; the new definition is much saner than the
|
|
|
525 old one since it does not nest endlessly due to parent/child relationships
|
|
|
526 that may not exist. This also impacts imapd, since imapd's THREAD command
|
|
|
527 will return a thread structure.
|
|
|
528
|
|
|
529 RFC 1730 server support, which was disabled in imap-2001, is now fully
|
|
|
530 removed from imapd. imapd still supports IMAP2bis, specifically the FIND
|
|
|
531 command, since there are still a few IMAP2 clients out there.
|
|
|
532
|
|
|
533 The IMAP client routines in the c-client library continue to support recognize
|
|
|
534 RFC 1730 servers, but do not implement the deprecated features of RFC 1730.
|
|
|
535
|
|
|
536 The Frequently Asked Questions file is now in HTML format, although a text
|
|
|
537 version (generated from the HTML version with Lynx) is also provided.
|
|
|
538
|
|
|
539 A new program, mailutil, is now bundled with the IMAP toolkit. mailutil
|
|
|
540 replaces the old chkmail, imapcopy, imapmove, imapxfer, mbxcopy, mbxcreat,
|
|
|
541 and mbxcvt programs that were distributed in the imap-utils. In addition,
|
|
|
542 the tmail, dmail, and mlock programs from the imap-utils are now also
|
|
|
543 bundled with the IMAP toolkit.
|
|
|
544
|
|
|
545 In addition to the usual bugfixes, the following c-client functionalities
|
|
|
546 are new in imap-2002:
|
|
|
547
|
|
|
548 The SET_DISABLE822TZTEXT parameter allows a client to suppress generation of
|
|
|
549 the "human friendly" time zone text in RFC822 dates. This placates netnews
|
|
|
550 and some broken SMTP servers which think that long timezone names from Windows
|
|
|
551 are an attempt at a buffer overflow attack.
|
|
|
552
|
|
|
553 The restrictBox option in env_unix.c sets "restricted box" functionality,
|
|
|
554 which disables access to the root (leading "/"), access to other user's
|
|
|
555 directories (leading "~"), and access to superior directories via "..".
|
|
|
556
|
|
|
557 Content-Location is now supported by the "location" member of the BODY
|
|
|
558 structure. Note that there is a bug in the IMAP client code in older
|
|
|
559 versions of the c-client library that causes it to handle BODYSTRUCTURE
|
|
|
560 extension data improperly if that data is a literal. The new functionality
|
|
|
561 for Content-Location may trigger this bug. The fix is either to upgrade
|
|
|
562 the IMAP client program to the imap-2002 version of c-client or to remove
|
|
|
563 the Content-Location support from imapd.
|
|
|
564
|
|
|
565 There are now 8 spare bits for application use in both the elts and the
|
|
|
566 mail streams.
|
|
|
567
|
|
|
568 mail_search() now returns a value (previously it was void). If mail_search()
|
|
|
569 returns NIL, then the supplied charset was invalid or the IMAP server
|
|
|
570 returned NO (probably because the supplied charset was invalid).
|
|
|
571
|
|
|
572 New utf8_charset() routine to look up a charset and return c-client's
|
|
|
573 database about that charset if found. Among other things, this will give
|
|
|
574 you the scripts supported by that charset and its Unicode conversion table.
|
|
|
575
|
|
|
576 New FT_NOLOOKAHEAD flag for mail_fetch_structure() disables fetching of
|
|
|
577 any envelopes other than the one specified. Otherwise, it will try to do
|
|
|
578 anticipatory fetching (up to IMAPLOOKAHEAD).
|
|
|
579
|
|
|
580 New GET_FETCHLOOKAHEAD allows better control of mail_fetch_structure()
|
|
|
581 lookahead. Instead of looking IMAPLOOKAHEAD messages forward from the
|
|
|
582 specified message, it will use a supplied SEARCHSET to generate message
|
|
|
583 sequences and ranges. It will stop at IMAPLOOKAHEAD messages or at the
|
|
|
584 completion of a range which exceeds IMAPLOOKAHEAD. The search set only
|
|
|
585 applies to the next mail_fetch_structure() on that stream, and is cleared
|
|
|
586 once it is used. Call with
|
|
|
587 SEARCHSET **set = (SEARCHSET **)
|
|
|
588 mail_parameters (stream,GET_FETCHLOOKAHEAD,(void *) stream);
|
|
|
589 *set = pointer to desired search set
|
|
|
590
|
|
|
591 New mail_shortdate() routine returns an date in the format expected by
|
|
|
592 SEARCHPGMs.
|
|
|
593
|
|
|
594
|
|
|
595 Updated: 2 November 2001
|
|
|
596
|
|
|
597 imap-2001a is a maintenance release, consisting primarily of bugfixes
|
|
|
598 including some critical bugfixes to crash and denial of service problems.
|
|
|
599 Programs written for imap-2001 will build with this version without
|
|
|
600 modification.
|
|
|
601
|
|
|
602 The following new facilities have also been added:
|
|
|
603
|
|
|
604 The new /norsh switch in mailbox names provides a more intuitive way of
|
|
|
605 disabling rsh-IMAP than the existing :143 or setting the rsh-timeout to 0.
|
|
|
606
|
|
|
607 Passwords are no longer returned in mm_dlog() callbacks unless the
|
|
|
608 application sets the SET_DEBUGSENSITIVE parameter.
|
|
|
609
|
|
|
610 The SET_NETFSSTATBUG parameter allows an application to force the
|
|
|
611 traditional UNIX mailbox driver to close and reopen the mailbox at ping
|
|
|
612 time. This is EXTREMELY inefficient, and should only be used to access
|
|
|
613 files stored on AFS and old NFS systems.
|
|
|
614
|
|
|
615 The ISO 8859 and Windows conversion tables have been updated to comply
|
|
|
616 with Unicode 3.1, and the KOI8-R table has been verified as compliant with
|
|
|
617 Unicode 3.1.
|
|
|
618
|
|
|
619 The SPECIALS mechanism for passing parameters to the lowest level Makefile
|
|
|
620 has been updated to be more general. See the next item for why you might
|
|
|
621 care.
|
|
|
622
|
|
|
623 New lrh port to build on Red Hat Linux 7.2, with pre-set definitions for
|
|
|
624 the places where Red Hat has placed Kerberos and SSL. It's actually just
|
|
|
625 the lnp port with SPECIALS defined accordingly. You may want to use it as
|
|
|
626 a model if your system needs such definitions. Note that SPECIALS is
|
|
|
627 primarily for IMAP toolkit (and Pine) purposes, and that user settings
|
|
|
628 should use EXTRASPECIALS instead.
|
|
|
629
|
|
|
630
|
|
|
631 Updated: 22 June 2001
|
|
|
632
|
|
|
633 imap-2001 is a major release. Programs written for imap-2000 will probably
|
|
|
634 build with this version without modification.
|
|
|
635
|
|
|
636 The FAQ document has been significantly expanded. Be sure to read it for
|
|
|
637 more information.
|
|
|
638
|
|
|
639 In addition to the usual bugfixes, the following features are new in
|
|
|
640 imap-2001:
|
|
|
641
|
|
|
642 SSL is now fully integrated into the IMAP toolkit; the old "alt" kludges to
|
|
|
643 be able to produce a "sanitized" version of the IMAP toolkit to comply with
|
|
|
644 late unlamented US export regulations are now completely gone.
|
|
|
645
|
|
|
646 Full client and server TLS support is also in this release.
|
|
|
647
|
|
|
648 The server certificate must be signed by a trusted certificate authority and
|
|
|
649 the name in the certificate match the user's entry for the server host name;
|
|
|
650 this means that the user must enter a fully-qualified host name.
|
|
|
651
|
|
|
652 To build with SSL/TLS on UNIX, you now use "SSLTYPE=unix" instead of the
|
|
|
653 former "SPECIALAUTHENTICATORS=ssl". To build with SSL/TLS on UNIX and disable
|
|
|
654 the use of plaintext passwords except when under SSL/TLS, use "SSLTYPE=nopwd"
|
|
|
655 instead of "SSLTYPE=unix".
|
|
|
656
|
|
|
657 RFC 1730 (IMAP4 as opposed to IMAP4rev1) support is turned off by default in
|
|
|
658 imapd. No clients should still be using RFC 1730 protocol. Look at the imapd
|
|
|
659 Makefile for how to re-enable RFC 1730 support. Note that this code may be
|
|
|
660 removed in the future, so if you think you need it you had better let me know.
|
|
|
661
|
|
|
662 There are some new options (turned off by default) which attempt to work around
|
|
|
663 problems in certain clients. See the FAQ file for more details.
|
|
|
664
|
|
|
665
|
|
|
666 Updated: 24 January 2001
|
|
|
667
|
|
|
668 imap-2000c is a maintenance release, consisting primarily of bugfixes.
|
|
|
669
|
|
|
670
|
|
|
671 Updated: 9 January 2001
|
|
|
672
|
|
|
673 imap-2000b is a maintenance release, consisting primarily of bugfixes.
|
|
|
674
|
|
|
675
|
|
|
676 Updated: 9 November 2000
|
|
|
677
|
|
|
678 imap-2000a is a maintenance release, consisting primarily of bugfixes.
|
|
|
679
|
|
|
680
|
|
|
681 Updated: 19 September 2000
|
|
|
682
|
|
|
683 imap-2000 is a major release. There are major internal and external changes
|
|
|
684 from earlier versions (imap-4.x and imap-3.x series). Programs written for
|
|
|
685 imap-4.x will probably build with this version without modification. It is
|
|
|
686 extremely unlikely that a program written for imap-3.x or earlier series will
|
|
|
687 build with this version without modifications. Drivers written for earlier
|
|
|
688 versions will definitely need to be rewritten.
|
|
|
689
|
|
|
690 In addition to the usual bugfixes, the following features are new in imap-2000:
|
|
|
691
|
|
|
692 SSL support is now available. For UNIX, it is necessary to install some
|
|
|
693 version of OpenSSL; see imap-2000/docs/SSLBUILD for more information. SSL
|
|
|
694 support is now automatic for the NT, NTK, and W2K ports. SSL use is indicated
|
|
|
695 by the /ssl switch in the mailbox name.
|
|
|
696
|
|
|
697 With SSL connections, the server certificate is validated by the client code
|
|
|
698 on UNIX, and Windows 2000 unless /novalidate-cert is specified. Server
|
|
|
699 certificates are currently is not validated on Windows 9x, Windows Millenium,
|
|
|
700 or Windows NT 4; this is an artifact of the operating system and not the port
|
|
|
701 (e.g. client code using the NT port will validate certificates if running on
|
|
|
702 Windows 2000). On UNIX, the server certificate must be signed by a trusted
|
|
|
703 certificate authority. On Windows 2000, the certificate must be signed by a
|
|
|
704 trusted certificate authority and match the user's entry for the server host
|
|
|
705 name; this means that the user must enter a fully-qualified host name.
|
|
|
706
|
|
|
707 Calendar reclama for the benefit of old broken non-Y2K compliant software.
|
|
|
708 Two digit years from 00 to 69 will be interpreted as 2000 through 2069. In
|
|
|
709 addition, three digit years from 100 to 105 will be interpreted as 2000
|
|
|
710 through 2005.
|
|
|
711
|
|
|
712 Support for REFERENCES threading (in addition to the previously-existing
|
|
|
713 ORDEREDSUBJECT threading).
|
|
|
714
|
|
|
715 Support for the IMAP MULTIAPPEND extension. This allows much faster uploading
|
|
|
716 of multiple messages to an IMAP server.
|
|
|
717
|
|
|
718 Support for the LOGINDISABLED IMAP capability. If the IMAP server sends
|
|
|
719 LOGINDISABLED as a capability, the client code will never attempt to send an
|
|
|
720 IMAP LOGIN command.
|
|
|
721
|
|
|
722 Support for SASL authentication identity vs. authorization identity. If the
|
|
|
723 authentication method does not support this concept (e.g. AUTH=CRAM-MD5,
|
|
|
724 AUTH=LOGIN, LOGIN command), the "*" character in the user name may be used to
|
|
|
725 indicate a separate authentication identity; for example, "fred*joe" indicates
|
|
|
726 authorization identity "fred", authentication identity "joe".
|
|
|
727
|
|
|
728
|
|
|
729 UNIX-specific Changes:
|
|
|
730
|
|
|
731 Support for SASL authentication identity vs. authorization identity in the
|
|
|
732 IMAP and POP3 servers. If the user indicated by the authentication identity
|
|
|
733 is in the "mailadm" group, he may specify any authorization identity and get
|
|
|
734 logged in as the authorization identity user.
|
|
|
735
|
|
|
736 If the IMAP and POP3 servers are build with PASSWDTYPE=nul, it will send
|
|
|
737 LOGINDISABLED as a capability and also disable the AUTH=LOGIN and AUTH=PLAIN
|
|
|
738 SASL authenticators.
|
|
|
739
|
|
|
740 New MAILSUBDIR build option to change the default mailbox directory from the
|
|
|
741 user's home directory to a subdirectory of the user's home directory. See
|
|
|
742 imap-2000/Makefile for more information.
|
|
|
743
|
|
|
744 New CHROOT_SERVER build option for closed server systems only. If defined, a
|
|
|
745 chroot() call to the user's home directory is done as part of the login
|
|
|
746 process. See imap-2000/Makefile for more information.
|
|
|
747
|
|
|
748 New ADVERTISE_THE_WORLD build option which will add an IMAP namespace that
|
|
|
749 points to the root. Not for the faint of heart.
|
|
|
750
|
|
|
751 UNIX format mailboxes no longer require the pseudo-message, nor will a
|
|
|
752 pseudo-message be added to a mailbox that does not have one. A new
|
|
|
753 X-IMAPbase: header will be written in the first message. This is rather less
|
|
|
754 efficient and robust than the pseudo-message (which remains the encouraged
|
|
|
755 mechanism; UNIX format mailboxes will always be created with it), but perhaps
|
|
|
756 will pacify some people who get upset by the pseudo-message.
|
|
|
757
|
|
|
758 When building with MIT Kerberos it will try to detect and use libk5crypto.a
|
|
|
759 instead of libcrypto.a.
|
|
|
760
|
|
|
761 The mbx driver is more aggressive about cleaning up expunged messages that
|
|
|
762 couldn't be purged because of shared access to the mailbox at the time of
|
|
|
763 expunge. Now, every checkpoint will try to purge such messages; and a
|
|
|
764 checkpoint is attempted at close time.
|
|
|
765
|
|
|
766
|
|
|
767 Windows-specific Changes:
|
|
|
768
|
|
|
769 New W2K port for Windows 2000. In addition to supporting SSL using the
|
|
|
770 official SSPI interface (the NT and NTK ports invoke SChannel.DLL directly),
|
|
|
771 the W2K port also supports Microsoft Kerberos. Note that the NT and NTK ports
|
|
|
772 will work on Windows 2000, but the W2K port will not work on NT4, Windows
|
|
|
773 9x, or Windows Millenium.
|
|
|
774
|
|
|
775 There is now a #user namespace, equivalent to the "~" namespace on UNIX.
|
|
|
776
|
|
|
777
|
|
|
778
|
|
|
779 Changes for Developers:
|
|
|
780
|
|
|
781 New c-client.h file which acts as a master include. c-client based
|
|
|
782 applications should now include c-client.h instead of the individual c-client
|
|
|
783 files (mail.h, misc.h, etc.). It is believed that c-client.h will work in C++
|
|
|
784 applications.
|
|
|
785
|
|
|
786 New GET_FREEENVELOPESPAREP/SET_FREEENVELOPESPAREP and
|
|
|
787 GET_FREEELTSPAREP/SET_FREEELTSPAREP function callbacks to free the "sparep"
|
|
|
788 member of the envelope and cache elements, respectively.
|
|
|
789
|
|
|
790 New OP_MULNEWSRC flag to mail_open() to use multiple newsrc files, and new
|
|
|
791 GET_NEWSRCQUERY/SET_NEWSRCQUERY function callbacks to get the name of the
|
|
|
792 newsrc file for news access.
|
|
|
793
|
|
|
794 New "secret" nntp_article() function to do the NNTP ARTICLE command; this is
|
|
|
795 generally useful only when chasing news URLs.
|
|
|
796
|
|
|
797 New GET_HIDEDOTFILES/SET_HIDEDOTFILES feature to suppress file names that
|
|
|
798 start with "." in mail_list() results.
|
