Mercurial > dovecot > original-hg > dovecot-1.2
annotate dovecot-example.conf @ 615:0d852af6842e HEAD
Master process generates DH/RSA parameters now and stores them into file
which login processes read. Added setting for regeneration interval. Some
other SSL cleanups.
Also fixed default login process path to be ../run/dovecot/login/ like
example config file said, instead of just ../run/dovecot/ which it actually
was until now.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Sun, 17 Nov 2002 11:42:07 +0200 |
| parents | e60620644af3 |
| children | da34bdd4e0c6 |
| rev | line source |
|---|---|
| 0 | 1 ## Dovecot 1.0 configuration file |
| 2 | |
| 3 # Default values are shown after each value, it's not required to uncomment | |
| 435 | 4 # any of the lines. Exception to this are paths, they're just examples |
| 5 # with real defaults being based on configure options. The paths listed here | |
| 6 # are for configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var | |
| 0 | 7 |
| 8 # Port to listen in for IMAP connections. This port is used for TLS | |
| 9 # connections as well. Setting it to 0 disables it. | |
| 10 #imap_port = 143 | |
| 11 | |
| 12 # Port to listen in for SSL IMAP connections. Setting it to 0 disables it. | |
| 13 #imaps_port = 993 | |
| 14 | |
| 15 # IP or host address where to listen in for IMAP connections. Empty means to | |
| 16 # listen in all interfaces. It's not possible to specify multiple. | |
| 17 #imap_listen = | |
| 18 | |
| 19 # IP or host address where to listen in for SSL IMAP connections. Defaults | |
| 20 # to imap_listen if not specified. | |
| 21 #imaps_listen = | |
| 22 | |
| 519 | 23 # PEM encoded X.509 SSL/TLS certificate and private key. They're opened before |
|
518
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24 # dropping root privileges, so keep the key file unreadable by anyone but |
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25 # root. Note that these default paths here are absolute, configure options |
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26 # don't affect them. Use for example OpenSSL to generate these files. |
| 0 | 27 #ssl_cert_file = /etc/ssl/certs/imapd.pem |
| 28 #ssl_key_file = /etc/ssl/private/imapd.pem | |
| 29 | |
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30 # SSL parameter file. Master process generates this file for login processes. |
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31 # It contains Diffie Hellman and RSA parameters. |
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32 #ssl_parameters_file = /var/run/dovecot/ssl-parameters.dat |
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33 |
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34 # How often to regenerate the SSL parameters file. Generation is quite CPU |
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35 # intensive operation. The value is in hours, 0 disables regeneration |
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36 # entirely. |
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37 #ssl_parameters_regenerate = 24 |
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38 |
| 0 | 39 # Disable LOGIN command and all other plaintext authentications unless |
| 40 # SSL/TLS is used (LOGINDISABLED capability) | |
| 41 #disable_plaintext_auth = no | |
| 42 | |
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35
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43 # Use this logfile instead of syslog() |
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44 #log_path = |
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45 |
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46 # Prefix for each line written to log file. % codes are in strftime(3) |
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47 # format. Note the extra space at the end of line. |
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48 #log_timestamp = %b %d %H:%M:%S |
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49 |
| 0 | 50 ## |
| 51 ## Login process | |
| 52 ## | |
| 53 | |
| 54 # Executable location | |
| 55 #login_executable = /usr/lib/dovecot/imap-login | |
| 56 | |
| 57 # User to use for imap-login process | |
| 58 #login_user = imapd | |
| 59 | |
| 60 # Directory where imap-auth places authentication UNIX sockets which login | |
| 61 # needs to be able to connect to. The sockets are created when running as | |
| 62 # root, so you don't need to give imap-auth any access for it. | |
| 63 #login_dir = /var/run/dovecot/login | |
| 64 | |
| 435 | 65 # chroot imap-login process to the login_dir. Only reason not to do this |
| 0 | 66 # is if you wish to run the whole imapd without roots. |
| 67 #login_chroot = yes | |
| 68 | |
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69 # Should each login be processed in it's own process (yes), or should one |
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70 # login process be allowed to process multiple connections (no)? Yes is more |
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71 # secure, espcially with SSL/TLS enabled. No is faster since there's no need |
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72 # to create processes all the time. |
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73 #login_process_per_connection = yes |
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74 |
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75 # Number of imap-login processes to create. If login_process_per_user is |
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76 # yes, this is the number of extra processes waiting for users to log in. |
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77 #login_processes_count = 3 |
| 0 | 78 |
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79 # Maximum number of extra login processes to create. The extra process count |
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80 # usually stays at login_processes_count, but when multiple users start logging |
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81 # in at the same time more extra processes are created. To prevent fork-bombing |
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82 # we check only once in a second if new processes should be created - if all |
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83 # of them are used at the time, we double their amount until limit set by this |
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84 # setting is reached. This setting is used only if login_process_per_use is yes. |
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85 #login_max_processes_count = 128 |
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86 |
| 0 | 87 # Maximum number of connections allowed in login state. When this limit is |
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88 # reached, the oldest connections are dropped. If login_process_per_user |
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89 # is no, this is a per-process value, so the absolute maximum number of users |
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90 # logging in actually login_processes_count * max_logging_users. |
| 0 | 91 #max_logging_users = 256 |
| 92 | |
| 93 ## | |
| 94 ## IMAP process | |
| 95 ## | |
| 96 | |
| 97 # Executable location | |
| 98 #imap_executable = /usr/lib/dovecot/imap | |
| 99 | |
| 100 # Maximum number of running imap processes. When this limit is reached, | |
| 101 # new users aren't allowed to log in. | |
| 102 #max_imap_processes = 1024 | |
| 103 | |
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104 # Show more verbose process titles (in ps). Currently shows user name and |
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105 # IP address. Useful for seeing who are actually using the IMAP processes |
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106 # (eg. shared mailboxes or if same uid is used for multiple accounts). |
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107 #verbose_proctitle = no |
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108 |
| 0 | 109 # Valid UID/GID ranges for imap users, defaults to 500 and above. |
| 110 # Note that denying root logins is hardcoded to imap-master binary and | |
| 111 # can't be done even if first_valid_uid is set to 0. | |
| 112 #first_valid_uid = 500 | |
| 113 #last_valid_uid = 0 | |
| 114 | |
| 115 #first_valid_gid = 1 | |
| 116 #last_valid_gid = 0 | |
| 117 | |
| 118 # ':' separated list of directories under which chrooting is allowed for imap | |
| 119 # processes (ie. /var/mail will allow chrooting to /var/mail/foo/bar too). | |
| 120 # WARNING: Never add directories here which local users can modify, that | |
| 121 # may lead to root exploit. Usually this should be done only if you don't | |
| 122 # allow shell access for users. | |
| 123 #valid_chroot_dirs = | |
| 124 | |
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125 # Space-separated list of fields to cache for all mails. Currently these |
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126 # fields are allowed followed by a list of commands they speed up: |
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127 # |
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128 # Envelope - FETCH ENVELOPE and SEARCH FROM, TO, CC, BCC, SUBJECT, |
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129 # SENTBEFORE, SENTON, SENTSINCE, HEADER MESSAGE-ID, |
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130 # HEADER IN-REPLY-TO |
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131 # Body - FETCH BODY |
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132 # Bodystructure - FETCH BODY, BODYSTRUCTURE |
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133 # MessagePart - FETCH BODY[1.2.3] (ie. body parts), RFC822.SIZE, |
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134 # SEARCH SMALLER, LARGER, also speeds up BODY/BODYSTRUCTURE |
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135 # generation. This is always set with mbox mailboxes, and |
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136 # also default with Maildir. |
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137 # |
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138 # Different IMAP clients work in different ways, that's why Dovecot by default |
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139 # only caches MessagePart which speeds up most operations. Whenever client |
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140 # does something where caching could be used, the field is automatically marked |
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141 # to be cached later. For example after FETCH BODY the BODY will be cached |
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142 # for all new messages. Normally you should leave this alone, unless you know |
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143 # what most of your IMAP clients are. Caching more fields than needed makes |
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144 # the index files larger and generate useless I/O. |
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145 # |
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146 # With maildir there's one extra optimization - if nothing is cached, indexing |
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147 # the maildir becomes much faster since it's not opening any of the mail files. |
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148 # This could be useful if your IMAP clients access only new mails. |
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149 |
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150 #mail_cache_fields = MessagePart |
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151 |
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152 # Dovecot can notify client of new mail in selected mailbox soon after it's |
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153 # received. This setting specifies the minimum interval in seconds between |
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154 # new mail notifications to client - internally they may be checked more or |
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155 # less often. Setting this to 0 disables the checking. |
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156 #mailbox_check_interval = 30 |
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157 |
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158 # Space-separated list of fields that Dovecot should never set to be cached. |
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159 # Useful if you want to save disk space at the cost of more I/O when the fields |
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160 # needed. |
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161 #mail_never_cache_fields = |
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162 |
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163 # Save mails with CR+LF instead of plain LF. This makes sending those mails |
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164 # take less CPU, especially with sendfile() syscall with Linux and FreeBSD. |
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165 # But it also creates a bit more disk I/O which may just make it slower. |
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166 #mail_save_crlf = no |
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167 |
| 0 | 168 # Copy mail to another folders using hard links. This is much faster than |
| 169 # actually copying the file. Only problem with it is that if either of the | |
| 170 # mails are modified directly both will change. This isn't a problem with | |
| 171 # IMAP however since it offers no way to modify the existing mails. Also | |
| 172 # at least mutt modifies mails by deleting the old one and inserting a new | |
| 173 # modified mail. So if performance matters at all you should turn this on. | |
| 174 #maildir_copy_with_hardlinks = no | |
| 175 | |
| 176 # Check if mails' content has been changed by external programs. This slows | |
| 177 # down things as extra stat() needs to be called for each file. | |
| 178 #maildir_check_content_changes = no | |
| 179 | |
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180 # If main index file is incompatible with us, should we overwrite it or |
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181 # create a new index with another name. Unless you are running Dovecot in |
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182 # multiple computers with different architectures accessing the same |
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183 # mailboxes (eg. via NFS), it's safe to set this "yes". |
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184 #overwrite_incompatible_index = no |
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185 |
| 0 | 186 # umask to use for mail files and directories |
| 187 #umask = 0077 | |
| 188 | |
| 189 ## | |
| 190 ## Authentication processes | |
| 191 ## | |
| 192 | |
| 193 # You can have multiple processes; each time "auth = xx" is seen, a new | |
| 194 # process definition is started. The point of multiple processes is to be | |
| 195 # able to set stricter permissions to others. For example, plain/PAM | |
| 196 # authentication requires roots, but if you also use digest-md5 authentication | |
| 197 # for some users, you can authenticate them without any privileges in a | |
| 198 # separate auth process. Just remember that only one auth process is asked | |
| 199 # for the password, so you can't have different passwords with different | |
| 200 # processes (unless they have different auth methods, and you're ok with | |
| 201 # having different password for each method). | |
| 202 | |
| 203 # Authentication process name. | |
| 204 auth = default | |
| 205 | |
| 284 | 206 # Authentication methods this process allows separated with a space. |
| 207 # Currently supported: plain digest-md5 | |
| 0 | 208 auth_methods = plain |
| 209 | |
| 210 # Space separated list of realms with authentication methods that need them. | |
| 211 # This is usually empty or the host name of the server (eg. | |
| 212 # mail.mycompany.com). | |
| 213 # - plain auth checks the password from all realms specified in here | |
| 214 # - digest-md5 must have the password added for each realm separately, and | |
| 215 # many clients simply use the first realm listed here. so if you really | |
| 216 # need to add more realms, add them to end of the list. | |
| 217 #auth_realms = | |
| 218 | |
| 219 # Where the user information and passwords are stored into: | |
| 220 # passwd: /etc/passwd or similiar, using getpwnam() | |
| 221 # shadow: /etc/shadow or similiar, using getspnam() | |
| 222 # pam: PAM authentication | |
| 223 # passwd-file /etc/passwd.imap: /etc/passwd-like file. Supports digest-md5 | |
| 224 # style passwords | |
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225 # vpopmail: vpopmail authentication |
| 27 | 226 auth_userinfo = pam |
| 0 | 227 |
| 228 # Executable location | |
| 435 | 229 #auth_executable = /usr/lib/dovecot/imap-auth |
| 0 | 230 |
| 231 # User to use for the process. Only shadow and pam authentication requires | |
| 232 # roots, so use something else if possible. | |
| 233 auth_user = root | |
| 234 | |
| 435 | 235 # Directory where to chroot the process. Most authentication backends don't |
| 236 # work if this is set, and there's no point chrooting if auth_user is root. | |
| 0 | 237 #auth_chroot = |
| 238 | |
| 239 # Number of authentication processes to create | |
| 240 #auth_count = 1 | |
| 241 | |
| 242 | |
| 243 # digest-md5 authentication process. It requires special MD5 passwords which | |
| 244 # /etc/shadow and PAM doesn't support, so we never need roots to handle it. | |
| 245 # Note that the passwd-file is opened before chrooting and dropping root | |
| 246 # privileges, so it may be 0600-root owned file. | |
| 247 | |
| 248 #auth = digest_md5 | |
| 249 #auth_methods = digest-md5 | |
| 250 #auth_realms = | |
| 251 #auth_userinfo = passwd-file /etc/passwd.imap | |
| 252 #auth_user = imapauth | |
| 253 #auth_chroot = /var/run/dovecot/auth | |
| 254 | |
| 255 # if you plan to use only passwd-file, you don't need the two auth processes, | |
| 256 # simply set "auth_methods = plain digest-md5" |