annotate dovecot-example.conf @ 5535:7aa36ab24c3b HEAD

Changed convert_skip_dotfiles to convert_skip_dotdirs. convert_skip_broken_mailboxes=yes is enough to skip non-mbox dotfiles.
author Timo Sirainen <tss@iki.fi>
date Tue, 10 Apr 2007 17:37:19 +0300
parents c69786bd2017
children fab24638eee7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ## Dovecot configuration file
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3 # If you're in a hurry, see http://wiki.dovecot.org/QuickConfiguration
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4
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5 # "dovecot -n" command gives a clean output of the changed settings. Use it
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6 # instead of copy&pasting this file when posting to the Dovecot mailing list.
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7
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8 # '#' character and everything after it is treated as comments. Extra spaces
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9 # and tabs are ignored. If you want to use either of these explicitly, put the
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10 # value inside quotes, eg.: key = "# char and trailing whitespace "
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11
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12 # Default values are shown for each setting, it's not required to uncomment
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13 # any of the lines. Exception to this are paths, they're just examples with
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14 # the real defaults being based on configure options. The paths listed here
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15 # are for configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var
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16 # --with-ssldir=/etc/ssl
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18 # Base directory where to store runtime data.
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19 #base_dir = /var/run/dovecot/
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20
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21 # Protocols we want to be serving: imap imaps pop3 pop3s
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22 # If you only want to use dovecot-auth, you can set this to "none".
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23 #protocols = imap imaps
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25 # IP or host address where to listen in for connections. It's not currently
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26 # possible to specify multiple addresses. "*" listens in all IPv4 interfaces.
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27 # "[::]" listens in all IPv6 interfaces, but may also listen in all IPv4
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28 # interfaces depending on the operating system.
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29 #
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30 # If you want to specify ports for each service, you will need to configure
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31 # these settings inside the protocol imap/pop3 { ... } section, so you can
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32 # specify different ports for IMAP/POP3. For example:
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33 # protocol imap {
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34 # listen = *:10143
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35 # ssl_listen = *:10943
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36 # ..
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37 # }
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38 # protocol pop3 {
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39 # listen = *:10100
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40 # ..
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41 # }
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42 #listen = *
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43
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44 # Disable LOGIN command and all other plaintext authentications unless
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45 # SSL/TLS is used (LOGINDISABLED capability). Note that if the remote IP
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46 # matches the local IP (ie. you're connecting from the same computer), the
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47 # connection is considered secure and plaintext authentication is allowed.
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48 #disable_plaintext_auth = yes
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49
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50 # Should all IMAP and POP3 processes be killed when Dovecot master process
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51 # shuts down. Setting this to "no" means that Dovecot can be upgraded without
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52 # forcing existing client connections to close (although that could also be
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53 # a problem if the upgrade is eg. because of a security fix). This however
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54 # means that after master process has died, the client processes can't write
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55 # to log files anymore.
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56 #shutdown_clients = yes
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57
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58 ##
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59 ## Logging
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60 ##
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61
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62 # Log file to use for error messages, instead of sending them to syslog.
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63 # /dev/stderr can be used to log into stderr.
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64 #log_path =
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65
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66 # Log file to use for informational and debug messages.
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67 # Default is the same as log_path.
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68 #info_log_path =
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69
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70 # Prefix for each line written to log file. % codes are in strftime(3)
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71 # format.
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72 #log_timestamp = "%b %d %H:%M:%S "
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73
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74 # Syslog facility to use if you're logging to syslog. Usually if you don't
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75 # want to use "mail", you'll use local0..local7. Also other standard
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76 # facilities are supported.
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77 #syslog_facility = mail
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79 ##
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80 ## SSL settings
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81 ##
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82
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83 # IP or host address where to listen in for SSL connections. Defaults
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84 # to above if not specified.
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85 #ssl_listen =
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86
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87 # Disable SSL/TLS support.
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88 #ssl_disable = no
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89
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90 # PEM encoded X.509 SSL/TLS certificate and private key. They're opened before
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91 # dropping root privileges, so keep the key file unreadable by anyone but
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92 # root. Included doc/mkcert.sh can be used to easily generate self-signed
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93 # certificate, just make sure to update the domains in dovecot-openssl.cnf
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94 #ssl_cert_file = /etc/ssl/certs/dovecot.pem
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95 #ssl_key_file = /etc/ssl/private/dovecot.pem
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96
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97 # If key file is password protected, give the password here. Alternatively
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98 # give it when starting dovecot with -p parameter.
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99 #ssl_key_password =
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100
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101 # File containing trusted SSL certificate authorities. Usually not needed.
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102 # The CAfile should contain the CA-certificate(s) followed by the matching
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103 # CRL(s). CRL checking is new in dovecot .rc1
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104 #ssl_ca_file =
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105
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106 # Request client to send a certificate. If you also want to require it, set
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107 # ssl_require_client_cert=yes in auth section.
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108 #ssl_verify_client_cert = no
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109
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110 # How often to regenerate the SSL parameters file. Generation is quite CPU
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111 # intensive operation. The value is in hours, 0 disables regeneration
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112 # entirely.
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113 #ssl_parameters_regenerate = 168
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114
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115 # SSL ciphers to use
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116 #ssl_cipher_list = ALL:!LOW:!SSLv2
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117
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118 # Show protocol level SSL errors.
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119 #verbose_ssl = no
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120
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121 ##
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122 ## Login processes
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123 ##
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124
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125 # <doc/wiki/LoginProcess.txt>
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126
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127 # Directory where authentication process places authentication UNIX sockets
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128 # which login needs to be able to connect to. The sockets are created when
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129 # running as root, so you don't have to worry about permissions. Note that
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130 # everything in this directory is deleted when Dovecot is started.
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131 #login_dir = /var/run/dovecot/login
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132
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133 # chroot login process to the login_dir. Only reason not to do this is if you
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134 # wish to run the whole Dovecot without roots. <doc/wiki/Rootless.txt>
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135 #login_chroot = yes
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136
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137 # User to use for the login process. Create a completely new user for this,
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138 # and don't use it anywhere else. The user must also belong to a group where
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139 # only it has access, it's used to control access for authentication process.
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140 # Note that this user is NOT used to access mails. <doc/wiki/UserIds.txt>
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141 #login_user = dovecot
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142
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143 # Set max. process size in megabytes. If you don't use
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144 # login_process_per_connection you might need to grow this.
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145 #login_process_size = 32
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146
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147 # Should each login be processed in it's own process (yes), or should one
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148 # login process be allowed to process multiple connections (no)? Yes is more
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149 # secure, espcially with SSL/TLS enabled. No is faster since there's no need
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150 # to create processes all the time.
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151 #login_process_per_connection = yes
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152
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153 # Number of login processes to keep for listening new connections.
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154 #login_processes_count = 3
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155
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156 # Maximum number of login processes to create. The listening process count
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157 # usually stays at login_processes_count, but when multiple users start logging
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158 # in at the same time more extra processes are created. To prevent fork-bombing
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159 # we check only once in a second if new processes should be created - if all
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160 # of them are used at the time, we double their amount until the limit set by
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161 # this setting is reached.
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162 #login_max_processes_count = 128
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163
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164 # Maximum number of connections allowed per each login process. This setting
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165 # is used only if login_process_per_connection=no. Once the limit is reached,
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166 # the process notifies master so that it can create a new login process.
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167 # You should make sure that the process has at least
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168 # 16 + login_max_connections * 2 available file descriptors.
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169 #login_max_connections = 256
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170
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171 # Greeting message for clients.
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172 #login_greeting = Dovecot ready.
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173
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174 # Space-separated list of elements we want to log. The elements which have
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175 # a non-empty variable value are joined together to form a comma-separated
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176 # string.
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177 #login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c
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178
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179 # Login log format. %$ contains login_log_format_elements string, %s contains
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180 # the data we want to log.
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181 #login_log_format = %$: %s
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182
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183 ##
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184 ## Mailbox locations and namespaces
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185 ##
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186
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187 # Location for users' mailboxes. This is the same as the old default_mail_env
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188 # setting. The default is empty, which means that Dovecot tries to find the
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189 # mailboxes automatically. This won't work if the user doesn't have any mail
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190 # yet, so you should explicitly tell Dovecot the full location.
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191 #
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192 # If you're using mbox, giving a path to the INBOX file (eg. /var/mail/%u)
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193 # isn't enough. You'll also need to tell Dovecot where the other mailboxes are
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194 # and where Dovecot can place its index files. This is called the "root mail
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195 # directory", and it must be the first path given in the mail_location setting.
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196 #
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197 # There are a few special variables you can use, eg.:
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198 #
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199 # %u - username
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200 # %n - user part in user@domain, same as %u if there's no domain
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201 # %d - domain part in user@domain, empty if there's no domain
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202 # %h - home directory
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203 #
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204 # See doc/wiki/Variables.txt for full list. Some examples:
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205 #
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206 # mail_location = maildir:~/Maildir
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207 # mail_location = mbox:~/mail:INBOX=/var/mail/%u
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208 # mail_location = mbox:/var/mail/%d/%1n/%n:INDEX=/var/indexes/%d/%1n/%n
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209 #
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210 # <doc/wiki/MailLocation.txt>
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211 #
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212 #mail_location =
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213
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214 # If you need to set multiple mailbox locations or want to change default
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215 # namespace settings, you can do it by defining namespace sections.
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216 # NOTE: Namespaces currently work ONLY with IMAP! POP3 and LDA currently ignore
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217 # namespaces completely, they use only the mail_location setting.
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218 #
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219 # You can have private, shared and public namespaces. The only difference
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220 # between them is how Dovecot announces them to client via NAMESPACE
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221 # extension. Shared namespaces are meant for user-owned mailboxes which are
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222 # shared to other users, while public namespaces are for more globally
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223 # accessible mailboxes.
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224 #
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225 # REMEMBER: If you add any namespaces, the default namespace must be added
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226 # explicitly, ie. mail_location does nothing unless you have a namespace
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227 # without a location setting. Default namespace is simply done by having a
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228 # namespace with empty prefix.
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229 #namespace private {
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230 # Hierarchy separator to use. You should use the same separator for all
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231 # namespaces or some clients get confused. '/' is usually a good one.
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232 # The default however depends on the underlying mail storage format.
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233 #separator =
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234
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235 # Prefix required to access this namespace. This needs to be different for
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236 # all namespaces. For example "Public/".
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237 #prefix =
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238
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239 # Physical location of the mailbox. This is in same format as
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240 # mail_location, which is also the default for it.
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241 #location =
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242
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243 # There can be only one INBOX, and this setting defines which namespace
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244 # has it.
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245 #inbox = yes
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246
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247 # If namespace is hidden, it's not advertised to clients via NAMESPACE
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248 # extension or shown in LIST replies. This is mostly useful when converting
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249 # from another server with different namespaces which you want to depricate
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250 # but still keep working. For example you can create hidden namespaces with
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251 # prefixes "~/mail/", "~%u/mail/" and "mail/".
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252 #hidden = yes
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253 #}
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254
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255 # Grant access to these extra groups for mail processes. Typical use would be
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256 # to give "mail" group write access to /var/mail to be able to create dotlocks.
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257 #mail_extra_groups =
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258
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259 # Allow full filesystem access to clients. There's no access checks other than
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260 # what the operating system does for the active UID/GID. It works with both
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261 # maildir and mboxes, allowing you to prefix mailboxes names with eg. /path/
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262 # or ~user/.
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263 #mail_full_filesystem_access = no
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264
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265 ##
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266 ## Mail processes
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diff changeset
267 ##
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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diff changeset
268
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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diff changeset
269 # Enable mail process debugging. This can help you figure out why Dovecot
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270 # isn't finding your mails.
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diff changeset
271 #mail_debug = no
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diff changeset
272
5441
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diff changeset
273 # Log prefix for mail processes. See doc/wiki/Variables.txt for list of
9d36800df1ae Added documentation to doc/wiki/. autogen.sh downloads them from dovecot.org
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274 # possible variables you can use.
4360
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diff changeset
275 #mail_log_prefix = "%Us(%u): "
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diff changeset
276
5098
176c28ad604c Added mail_log_max_lines_per_sec setting.
Timo Sirainen <tss@iki.fi>
parents: 5032
diff changeset
277 # Max. number of lines a mail process is allowed to log per second before it's
176c28ad604c Added mail_log_max_lines_per_sec setting.
Timo Sirainen <tss@iki.fi>
parents: 5032
diff changeset
278 # throttled. 0 means unlimited. Typically there's no need to change this
176c28ad604c Added mail_log_max_lines_per_sec setting.
Timo Sirainen <tss@iki.fi>
parents: 5032
diff changeset
279 # unless you're using mail_log plugin, which may log a lot.
176c28ad604c Added mail_log_max_lines_per_sec setting.
Timo Sirainen <tss@iki.fi>
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diff changeset
280 #mail_log_max_lines_per_sec = 10
176c28ad604c Added mail_log_max_lines_per_sec setting.
Timo Sirainen <tss@iki.fi>
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diff changeset
281
4360
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diff changeset
282 # Don't use mmap() at all. This is required if you store indexes to shared
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
283 # filesystems (NFS or clustered filesystem).
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
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diff changeset
284 #mmap_disable = no
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diff changeset
285
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diff changeset
286 # Don't write() to mmaped files. This is required for some operating systems
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
287 # which use separate caches for them, such as OpenBSD.
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diff changeset
288 #mmap_no_write = no
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diff changeset
289
4968
1baf9dd3fc40 Added dotlock_use_excl setting.
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parents: 4960
diff changeset
290 # Rely on O_EXCL to work when creating dotlock files. The default is to use
1baf9dd3fc40 Added dotlock_use_excl setting.
Timo Sirainen <tss@iki.fi>
parents: 4960
diff changeset
291 # hard linking. O_EXCL makes the dotlocking faster, but it doesn't always
1baf9dd3fc40 Added dotlock_use_excl setting.
Timo Sirainen <tss@iki.fi>
parents: 4960
diff changeset
292 # work with NFS.
1baf9dd3fc40 Added dotlock_use_excl setting.
Timo Sirainen <tss@iki.fi>
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diff changeset
293 #dotlock_use_excl = no
1baf9dd3fc40 Added dotlock_use_excl setting.
Timo Sirainen <tss@iki.fi>
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diff changeset
294
4918
2f9173e103fd Added fsync_disable setting. Also added missing fsync()ing to dbox when
Timo Sirainen <tss@iki.fi>
parents: 4913
diff changeset
295 # Don't use fsync() or fdatasync() calls. This makes the performance better
2f9173e103fd Added fsync_disable setting. Also added missing fsync()ing to dbox when
Timo Sirainen <tss@iki.fi>
parents: 4913
diff changeset
296 # at the cost of potential data loss if the server (or the file server)
2f9173e103fd Added fsync_disable setting. Also added missing fsync()ing to dbox when
Timo Sirainen <tss@iki.fi>
parents: 4913
diff changeset
297 # goes down.
2f9173e103fd Added fsync_disable setting. Also added missing fsync()ing to dbox when
Timo Sirainen <tss@iki.fi>
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diff changeset
298 #fsync_disable = no
2f9173e103fd Added fsync_disable setting. Also added missing fsync()ing to dbox when
Timo Sirainen <tss@iki.fi>
parents: 4913
diff changeset
299
5498
21199280aa3b Added mailbox_list_index_disable setting.
Timo Sirainen <tss@iki.fi>
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diff changeset
300 # Disable mailbox list indexing.
21199280aa3b Added mailbox_list_index_disable setting.
Timo Sirainen <tss@iki.fi>
parents: 5457
diff changeset
301 #mailbox_list_index_disable = no
21199280aa3b Added mailbox_list_index_disable setting.
Timo Sirainen <tss@iki.fi>
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diff changeset
302
4360
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diff changeset
303 # Locking method for index files. Alternatives are fcntl, flock and dotlock.
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
304 # Dotlocking uses some tricks which may create more disk I/O than other locking
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
305 # methods. NOTE: If you use NFS, remember to change also mmap_disable setting!
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parents: 4359
diff changeset
306 #lock_method = fcntl
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parents: 4359
diff changeset
307
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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diff changeset
308 # Drop all privileges before exec()ing the mail process. This is mostly
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
309 # meant for debugging, otherwise you don't get core dumps. It could be a small
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
310 # security risk if you use single UID for multiple users, as the users could
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
311 # ptrace() each others processes then.
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
312 #mail_drop_priv_before_exec = no
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parents: 4359
diff changeset
313
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
314 # Show more verbose process titles (in ps). Currently shows user name and
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
315 # IP address. Useful for seeing who are actually using the IMAP processes
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
316 # (eg. shared mailboxes or if same uid is used for multiple accounts).
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
317 #verbose_proctitle = no
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parents: 4359
diff changeset
318
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
319 # Valid UID range for users, defaults to 500 and above. This is mostly
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
320 # to make sure that users can't log in as daemons or other system users.
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
321 # Note that denying root logins is hardcoded to dovecot binary and can't
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
322 # be done even if first_valid_uid is set to 0.
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Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
323 #first_valid_uid = 500
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
324 #last_valid_uid = 0
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parents: 4359
diff changeset
325
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
326 # Valid GID range for users, defaults to non-root/wheel. Users having
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
327 # non-valid GID as primary group ID aren't allowed to log in. If user
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
328 # belongs to supplementary groups with non-valid GIDs, those groups are
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
329 # not set.
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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diff changeset
330 #first_valid_gid = 1
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
331 #last_valid_gid = 0
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
332
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
333 # Maximum number of running mail processes. When this limit is reached,
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
334 # new users aren't allowed to log in.
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
335 #max_mail_processes = 1024
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parents: 4359
diff changeset
336
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
337 # Set max. process size in megabytes. Most of the memory goes to mmap()ing
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
338 # files, so it shouldn't harm much even if this limit is set pretty high.
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parents: 4359
diff changeset
339 #mail_process_size = 256
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
340
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
341 # Maximum allowed length for mail keyword name. It's only forced when trying
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
342 # to create new keywords.
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
343 #mail_max_keyword_length = 50
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
344
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
345 # Default umask to use for mail files and directories.
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
346 #umask = 0077
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parents: 4359
diff changeset
347
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
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parents: 4359
diff changeset
348 # ':' separated list of directories under which chrooting is allowed for mail
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
349 # processes (ie. /var/mail will allow chrooting to /var/mail/foo/bar too).
5215
9914a148eea1 Updated valid_chroot_dirs and mail_chroot comments.
Timo Sirainen <tss@iki.fi>
parents: 5142
diff changeset
350 # This setting doesn't affect login_chroot or auth chroot variables.
4360
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
351 # WARNING: Never add directories here which local users can modify, that
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
352 # may lead to root exploit. Usually this should be done only if you don't
5441
9d36800df1ae Added documentation to doc/wiki/. autogen.sh downloads them from dovecot.org
Timo Sirainen <tss@iki.fi>
parents: 5439
diff changeset
353 # allow shell access for users. <doc/wiki/Chrooting.txt>
4360
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
354 #valid_chroot_dirs =
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
355
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
356 # Default chroot directory for mail processes. This can be overridden for
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
357 # specific users in user database by giving /./ in user's home directory
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
358 # (eg. /home/./user chroots into /home). Note that usually there is no real
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
359 # need to do chrooting, Dovecot doesn't allow users to access files outside
5441
9d36800df1ae Added documentation to doc/wiki/. autogen.sh downloads them from dovecot.org
Timo Sirainen <tss@iki.fi>
parents: 5439
diff changeset
360 # their mail directory anyway. <doc/wiki/Chrooting.txt>
4360
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
361 #mail_chroot =
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
362
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
363 ##
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
364 ## Mailbox handling optimizations
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
365 ##
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
366
3021
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
367 # Space-separated list of fields to initially save into cache file. Currently
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
368 # these fields are allowed:
462
67d22b7b0918 Added mail_cache_fields and mail_never_cache_fields settings, plus settings
Timo Sirainen <tss@iki.fi>
parents: 435
diff changeset
369 #
3021
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
370 # flags, date.sent, date.received, size.virtual, size.physical
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
371 # mime.parts, imap.body, imap.bodystructure
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
372 #
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
373 # Different IMAP clients work in different ways, so they benefit from
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
374 # different cached fields. Some do not benefit from them at all. Caching more
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
375 # than necessary generates useless disk I/O, so you don't want to do that
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
376 # either.
462
67d22b7b0918 Added mail_cache_fields and mail_never_cache_fields settings, plus settings
Timo Sirainen <tss@iki.fi>
parents: 435
diff changeset
377 #
3021
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
378 # Dovecot attempts to automatically figure out what client wants and it keeps
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
379 # only that. However the first few times a mailbox is opened, Dovecot hasn't
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
380 # yet figured out what client needs, so it may not perform optimally. If you
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
381 # know what fields the majority of your clients need, it may be useful to set
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
382 # these fields by hand. If client doesn't actually use them, Dovecot will
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
383 # eventually drop them.
462
67d22b7b0918 Added mail_cache_fields and mail_never_cache_fields settings, plus settings
Timo Sirainen <tss@iki.fi>
parents: 435
diff changeset
384 #
3021
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
385 # Usually you should just leave this field alone. The potential benefits are
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
386 # typically unnoticeable.
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
387 #mail_cache_fields =
462
67d22b7b0918 Added mail_cache_fields and mail_never_cache_fields settings, plus settings
Timo Sirainen <tss@iki.fi>
parents: 435
diff changeset
388
3021
b987319c7ce3 Updated mail_cache_fields and mail_never_cache_fields comments.
Timo Sirainen <tss@iki.fi>
parents: 2996
diff changeset
389 # Space-separated list of fields that Dovecot should never save to cache file.
987
cbf096fbb9f0 comment updates
Timo Sirainen <tss@iki.fi>
parents: 979
diff changeset
390 # Useful if you want to save disk space at the cost of more I/O when the fields
cbf096fbb9f0 comment updates
Timo Sirainen <tss@iki.fi>
parents: 979
diff changeset
391 # needed.
cbf096fbb9f0 comment updates
Timo Sirainen <tss@iki.fi>
parents: 979
diff changeset
392 #mail_never_cache_fields =
cbf096fbb9f0 comment updates
Timo Sirainen <tss@iki.fi>
parents: 979
diff changeset
393
3909
411f20e72a8f Added mail_cache_min_mail_count setting.
Timo Sirainen <tss@iki.fi>
parents: 3902
diff changeset
394 # The minimum number of mails in a mailbox before updates are done to cache
411f20e72a8f Added mail_cache_min_mail_count setting.
Timo Sirainen <tss@iki.fi>
parents: 3902
diff changeset
395 # file. This allows optimizing Dovecot's behavior to do less disk writes at
411f20e72a8f Added mail_cache_min_mail_count setting.
Timo Sirainen <tss@iki.fi>
parents: 3902
diff changeset
396 # the cost of more disk reads.
411f20e72a8f Added mail_cache_min_mail_count setting.
Timo Sirainen <tss@iki.fi>
parents: 3902
diff changeset
397 #mail_cache_min_mail_count = 0
411f20e72a8f Added mail_cache_min_mail_count setting.
Timo Sirainen <tss@iki.fi>
parents: 3902
diff changeset
398
3726
ad1e6b8a5109 mailbox_idle_check_interval comment updated
Timo Sirainen <tss@iki.fi>
parents: 3724
diff changeset
399 # When IDLE command is running, mailbox is checked once in a while to see if
ad1e6b8a5109 mailbox_idle_check_interval comment updated
Timo Sirainen <tss@iki.fi>
parents: 3724
diff changeset
400 # there are any new mails or other changes. This setting defines the minimum
ad1e6b8a5109 mailbox_idle_check_interval comment updated
Timo Sirainen <tss@iki.fi>
parents: 3724
diff changeset
401 # time to wait between those checks. Dovecot is however able to use dnotify
ad1e6b8a5109 mailbox_idle_check_interval comment updated
Timo Sirainen <tss@iki.fi>
parents: 3724
diff changeset
402 # and inotify with Linux to reply immediately after the change occurs.
1177
dee729f18aa1 IDLE setting.
Timo Sirainen <tss@iki.fi>
parents: 1168
diff changeset
403 #mailbox_idle_check_interval = 30
dee729f18aa1 IDLE setting.
Timo Sirainen <tss@iki.fi>
parents: 1168
diff changeset
404
472
2fa0bfb65268 Added setting mail_save_crlf. Few other settings cleanups.
Timo Sirainen <tss@iki.fi>
parents: 462
diff changeset
405 # Save mails with CR+LF instead of plain LF. This makes sending those mails
2fa0bfb65268 Added setting mail_save_crlf. Few other settings cleanups.
Timo Sirainen <tss@iki.fi>
parents: 462
diff changeset
406 # take less CPU, especially with sendfile() syscall with Linux and FreeBSD.
2fa0bfb65268 Added setting mail_save_crlf. Few other settings cleanups.
Timo Sirainen <tss@iki.fi>
parents: 462
diff changeset
407 # But it also creates a bit more disk I/O which may just make it slower.
3648
2c19efe2ddb6 Added compatibility warning about mail_save_crlf.
Timo Sirainen <tss@iki.fi>
parents: 3636
diff changeset
408 # Also note that if other software reads the mboxes/maildirs, they may handle
2c19efe2ddb6 Added compatibility warning about mail_save_crlf.
Timo Sirainen <tss@iki.fi>
parents: 3636
diff changeset
409 # the extra CRs wrong and cause problems.
472
2fa0bfb65268 Added setting mail_save_crlf. Few other settings cleanups.
Timo Sirainen <tss@iki.fi>
parents: 462
diff changeset
410 #mail_save_crlf = no
2fa0bfb65268 Added setting mail_save_crlf. Few other settings cleanups.
Timo Sirainen <tss@iki.fi>
parents: 462
diff changeset
411
4360
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
412 ##
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
413 ## Maildir-specific settings
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
414 ##
1920
d11efbf1d341 Added fcntl_lock_disable setting to allow indexes to work with NFS. Some
Timo Sirainen <tss@iki.fi>
parents: 1918
diff changeset
415
4959
4ba6b31ae15e Changed maildir_copy_with_hardlinks setting's description to be much more
Timo Sirainen <tss@iki.fi>
parents: 4954
diff changeset
416 # By default LIST command returns all entries in maildir beginning with a dot.
2078
b3daf55df932 Added maildir_stat_dirs option.
Timo Sirainen <tss@iki.fi>
parents: 2068
diff changeset
417 # Enabling this option makes Dovecot return only entries which are directories.
b3daf55df932 Added maildir_stat_dirs option.
Timo Sirainen <tss@iki.fi>
parents: 2068
diff changeset
418 # This is done by stat()ing each entry, so it causes more disk I/O.
b3daf55df932 Added maildir_stat_dirs option.
Timo Sirainen <tss@iki.fi>
parents: 2068
diff changeset
419 # (For systems setting struct dirent->d_type, this check is free and it's
b3daf55df932 Added maildir_stat_dirs option.
Timo Sirainen <tss@iki.fi>
parents: 2068
diff changeset
420 # done always regardless of this setting)
b3daf55df932 Added maildir_stat_dirs option.
Timo Sirainen <tss@iki.fi>
parents: 2068
diff changeset
421 #maildir_stat_dirs = no
b3daf55df932 Added maildir_stat_dirs option.
Timo Sirainen <tss@iki.fi>
parents: 2068
diff changeset
422
4959
4ba6b31ae15e Changed maildir_copy_with_hardlinks setting's description to be much more
Timo Sirainen <tss@iki.fi>
parents: 4954
diff changeset
423 # When copying a message, do it with hard links whenever possible. This makes
4ba6b31ae15e Changed maildir_copy_with_hardlinks setting's description to be much more
Timo Sirainen <tss@iki.fi>
parents: 4954
diff changeset
424 # the performance much better, and it's unlikely to have any side effects.
0
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
425 #maildir_copy_with_hardlinks = no
3b1985cbc908 Initial revision
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
426
4960
4714befe2604 Added maildir_copy_preserve_filename setting.
Timo Sirainen <timo.sirainen@movial.fi>
parents: 4959
diff changeset
427 # When copying a message, try to preserve the base filename. Only if the
4714befe2604 Added maildir_copy_preserve_filename setting.
Timo Sirainen <timo.sirainen@movial.fi>
parents: 4959
diff changeset
428 # destination mailbox already contains the same name (ie. the mail is being
4714befe2604 Added maildir_copy_preserve_filename setting.
Timo Sirainen <timo.sirainen@movial.fi>
parents: 4959
diff changeset
429 # copied there twice), a new name is given. The destination filename check is
4714befe2604 Added maildir_copy_preserve_filename setting.
Timo Sirainen <timo.sirainen@movial.fi>
parents: 4959
diff changeset
430 # done only by looking at dovecot-uidlist file, so if something outside
4714befe2604 Added maildir_copy_preserve_filename setting.
Timo Sirainen <timo.sirainen@movial.fi>
parents: 4959
diff changeset
431 # Dovecot does similar filename preserving copies, you may run into problems.
4714befe2604 Added maildir_copy_preserve_filename setting.
Timo Sirainen <timo.sirainen@movial.fi>
parents: 4959
diff changeset
432 # NOTE: This setting requires maildir_copy_with_hardlinks = yes to work.
4714befe2604 Added maildir_copy_preserve_filename setting.
Timo Sirainen <timo.sirainen@movial.fi>
parents: 4959
diff changeset
433 #maildir_copy_preserve_filename = no
4714befe2604 Added maildir_copy_preserve_filename setting.
Timo Sirainen <timo.sirainen@movial.fi>
parents: 4959
diff changeset
434
4360
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
435 ##
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
436 ## mbox-specific settings
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
437 ##
7b18bb6b6450 Moved around settings and added some main groups to them, hopefully making
Timo Sirainen <tss@iki.fi>
parents: 4359
diff changeset
438
4362
fde5c7704ee2 Added protocol lda section and did some other cleanups
Timo Sirainen <tss@iki.fi>
parents: 4361
diff changeset
439 # Which locking methods to use for locking mbox. There are four available:
1113
4abeb0fa0fe7 Don't use flock() locking by default. Using both fcntl+flock doesn't work
Timo Sirainen <tss@iki.fi>
parents: 1055
diff changeset
440 # dotlock: Create <mailbox>.lock file. This is the oldest and most NFS-safe
4abeb0fa0fe7 Don't use flock() locking by default. Using both fcntl+flock doesn't work
Timo Sirainen <tss@iki.fi>
parents: 1055
diff changeset
441 # solution. If you want to use /var/mail/ like directory, the users
4abeb0fa0fe7 Don't use flock() locking by default. Using both fcntl+flock doesn't work
Timo Sirainen <tss@iki.fi>
parents: 1055
diff changeset
442 # will need write access to that directory.
4abeb0fa0fe7 Don't use flock() locking by default. Using both fcntl+flock doesn't work
Timo Sirainen <tss@iki.fi>
parents: 1055
diff changeset
443 # fcntl : Use this if possible. Works with NFS too if lockd is used.
4abeb0fa0fe7 Don't use flock() locking by default. Using both fcntl+flock doesn't work
Timo Sirainen <tss@iki.fi>
parents: 1055
diff changeset
444 # flock : May not exist in all systems. Doesn't work with NFS.
2103
879b0b9ed5d4 Separate mbox_locks/mbox_read_dotlock to mbox_read_locks and
Timo Sirainen <tss@iki.fi>