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  1. ## Dovecot configuration file
  2.  
  3. # If you're in a hurry, see http://wiki.dovecot.org/QuickConfiguration
  4.  
  5. # "dovecot -n" command gives a clean output of the changed settings. Use it
  6. # instead of copy&pasting this file when posting to the Dovecot mailing list.
  7.  
  8. # '#' character and everything after it is treated as comments. Extra spaces
  9. # and tabs are ignored. If you want to use either of these explicitly, put the
  10. # value inside quotes, eg.: key = "# char and trailing whitespace "
  11.  
  12. # Default values are shown for each setting, it's not required to uncomment
  13. # those. These are exceptions to this though: No sections (e.g. namespace {})
  14. # or plugin settings are added by default, they're listed only as examples.
  15. # Paths are also just examples with the real defaults being based on configure
  16. # options. The paths listed here are for configure --prefix=/usr
  17. # --sysconfdir=/etc --localstatedir=/var --with-ssldir=/etc/ssl
  18.  
  19. # Base directory where to store runtime data.
  20. base_dir = /var/run/dovecot
  21.  
  22. # Protocols we want to be serving: imap imaps pop3 pop3s managesieve
  23. # If you only want to use dovecot-auth, you can set this to "none".
  24. #protocols = imap imaps
  25. protocols = imap managesieve imaps
  26.  
  27. # A space separated list of IP or host addresses where to listen in for
  28. # connections. "*" listens in all IPv4 interfaces. "[::]" listens in all IPv6
  29. # interfaces. Use "*, [::]" for listening both IPv4 and IPv6.
  30. #
  31. # If you want to specify ports for each service, you will need to configure
  32. # these settings inside the protocol imap/pop3/managesieve { ... } section,
  33. protocol imap {
  34. listen = *:143
  35. ssl_listen = *:993
  36. }
  37. # protocol pop3 {
  38. # listen = *:10100
  39. # ..
  40. # }
  41. protocol managesieve {
  42. listen = *:2000
  43. # ..
  44. }
  45. #listen = *
  46.  
  47. # Disable LOGIN command and all other plaintext authentications unless
  48. # SSL/TLS is used (LOGINDISABLED capability). Note that if the remote IP
  49. # matches the local IP (ie. you're connecting from the same computer), the
  50. # connection is considered secure and plaintext authentication is allowed.
  51. disable_plaintext_auth = no
  52.  
  53. # Should all IMAP and POP3 processes be killed when Dovecot master process
  54. # shuts down. Setting this to "no" means that Dovecot can be upgraded without
  55. # forcing existing client connections to close (although that could also be
  56. # a problem if the upgrade is eg. because of a security fix). This however
  57. # means that after master process has died, the client processes can't write
  58. # to log files anymore.
  59. #shutdown_clients = yes
  60.  
  61. ##
  62. ## Logging
  63. ##
  64.  
  65. # Log file to use for error messages, instead of sending them to syslog.
  66. # /dev/stderr can be used to log into stderr.
  67. log_path = /var/log/dovecot/dovecot-info.log
  68.  
  69. # Log file to use for informational and debug messages.
  70. # Default is the same as log_path.
  71. info_log_path = /var/log/dovecot/dovecot.log
  72.  
  73. # Prefix for each line written to log file. % codes are in strftime(3)
  74. # format.
  75. #log_timestamp = "%b %d %H:%M:%S "
  76. log_timestamp = "%Y-%m-%d %H:%M:%S "
  77.  
  78. # Syslog facility to use if you're logging to syslog. Usually if you don't
  79. # want to use "mail", you'll use local0..local7. Also other standard
  80. # facilities are supported.
  81. #syslog_facility = mail
  82.  
  83. ##
  84. ## SSL settings
  85. ##
  86.  
  87. # IP or host address where to listen in for SSL connections. Remember to also
  88. # add imaps and/or pop3s to protocols setting. Defaults to same as "listen"
  89. # setting if not specified.
  90. ssl_listen = *:993
  91.  
  92. # SSL/TLS support: yes, no, required. </usr/share/doc/dovecot-common/wiki/SSL.txt>
  93. ssl = yes
  94.  
  95. # PEM encoded X.509 SSL/TLS certificate and private key. They're opened before
  96. # dropping root privileges, so keep the key file unreadable by anyone but
  97. # root.
  98. #ssl_cert_file = /etc/postfix/ssl/mail.penta.hu.in.crt
  99. #ssl_key_file = /etc/postfix/ssl/mail.penta.hu.in.key
  100. ssl_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
  101. ssl_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
  102.  
  103.  
  104. # If key file is password protected, give the password here. Alternatively
  105. # give it when starting dovecot with -p parameter. Since this file is often
  106. # world-readable, you may want to place this setting instead to a different
  107. # root owned 0600 file by using !include_try <path>.
  108. #ssl_key_password =
  109.  
  110. # File containing trusted SSL certificate authorities. Set this only if you
  111. # intend to use ssl_verify_client_cert=yes. The CAfile should contain the
  112. # CA-certificate(s) followed by the matching CRL(s).
  113. #ssl_ca_file =
  114.  
  115. # Request client to send a certificate. If you also want to require it, set
  116. # ssl_require_client_cert=yes in auth section.
  117. #ssl_verify_client_cert = no
  118.  
  119. # Which field from certificate to use for username. commonName and
  120. # x500UniqueIdentifier are the usual choices. You'll also need to set
  121. # ssl_username_from_cert=yes.
  122. #ssl_cert_username_field = commonName
  123.  
  124. # How often to regenerate the SSL parameters file. Generation is quite CPU
  125. # intensive operation. The value is in hours, 0 disables regeneration
  126. # entirely.
  127. #ssl_parameters_regenerate = 168
  128.  
  129. # SSL ciphers to use
  130. #ssl_cipher_list = ALL:!LOW:!SSLv2
  131.  
  132. # Show protocol level SSL errors.
  133. verbose_ssl = no
  134.  
  135. ##
  136. ## Login processes
  137. ##
  138.  
  139. # </usr/share/doc/dovecot-common/wiki/LoginProcess.txt>
  140.  
  141. # Directory where authentication process places authentication UNIX sockets
  142. # which login needs to be able to connect to. The sockets are created when
  143. # running as root, so you don't have to worry about permissions. Note that
  144. # everything in this directory is deleted when Dovecot is started.
  145. #login_dir = /var/run/dovecot/login
  146.  
  147. # chroot login process to the login_dir. Only reason not to do this is if you
  148. # wish to run the whole Dovecot without roots. </usr/share/doc/dovecot-common/wiki/Rootless.txt>
  149. #login_chroot = yes
  150.  
  151. # User to use for the login process. Create a completely new user for this,
  152. # and don't use it anywhere else. The user must also belong to a group where
  153. # only it has access, it's used to control access for authentication process.
  154. # Note that this user is NOT used to access mails. </usr/share/doc/dovecot-common/wiki/UserIds.txt>
  155. #login_user = dovecot
  156.  
  157. # Set max. process size in megabytes. If you don't use
  158. # login_process_per_connection you might need to grow this.
  159. #login_process_size = 64
  160.  
  161. # Should each login be processed in it's own process (yes), or should one
  162. # login process be allowed to process multiple connections (no)? Yes is more
  163. # secure, espcially with SSL/TLS enabled. No is faster since there's no need
  164. # to create processes all the time.
  165. #login_process_per_connection = yes
  166.  
  167. # Number of login processes to keep for listening new connections.
  168. #login_processes_count = 3
  169.  
  170. # Maximum number of login processes to create. The listening process count
  171. # usually stays at login_processes_count, but when multiple users start logging
  172. # in at the same time more extra processes are created. To prevent fork-bombing
  173. # we check only once in a second if new processes should be created - if all
  174. # of them are used at the time, we double their amount until the limit set by
  175. # this setting is reached.
  176. #login_max_processes_count = 128
  177.  
  178. # Maximum number of connections allowed per each login process. This setting
  179. # is used only if login_process_per_connection=no. Once the limit is reached,
  180. # the process notifies master so that it can create a new login process.
  181. #login_max_connections = 256
  182.  
  183. # Greeting message for clients.
  184. #login_greeting = Dovecot ready.
  185.  
  186. # Space separated list of trusted network ranges. Connections from these
  187. # IPs are allowed to override their IP addresses and ports (for logging and
  188. # for authentication checks). disable_plaintext_auth is also ignored for
  189. # these networks. Typically you'd specify your IMAP proxy servers here.
  190. #login_trusted_networks =
  191.  
  192. # Space-separated list of elements we want to log. The elements which have
  193. # a non-empty variable value are joined together to form a comma-separated
  194. # string.
  195. #login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c
  196.  
  197. # Login log format. %$ contains login_log_format_elements string, %s contains
  198. # the data we want to log.
  199. #login_log_format = %$: %s
  200.  
  201. ##
  202. ## Mailbox locations and namespaces
  203. ##
  204.  
  205. # Location for users' mailboxes. This is the same as the old default_mail_env
  206. # setting. The default is empty, which means that Dovecot tries to find the
  207. # mailboxes automatically. This won't work if the user doesn't have any mail
  208. # yet, so you should explicitly tell Dovecot the full location.
  209. #
  210. # If you're using mbox, giving a path to the INBOX file (eg. /var/mail/%u)
  211. # isn't enough. You'll also need to tell Dovecot where the other mailboxes are
  212. # kept. This is called the "root mail directory", and it must be the first
  213. # path given in the mail_location setting.
  214. #
  215. # There are a few special variables you can use, eg.:
  216. #
  217. # %u - username
  218. # %n - user part in user@domain, same as %u if there's no domain
  219. # %d - domain part in user@domain, empty if there's no domain
  220. # %h - home directory
  221. #
  222. # See </usr/share/doc/dovecot-common/wiki/Variables.txt> for full list.
  223. # Some examples:
  224. #
  225. # mail_location = maildir:~/Maildir
  226. # mail_location = mbox:~/mail:INBOX=/var/mail/%u
  227. # mail_location = mbox:/var/mail/%d/%1n/%n:INDEX=/var/indexes/%d/%1n/%n
  228. #
  229. # </usr/share/doc/dovecot-common/wiki/MailLocation.txt>
  230. #
  231. mail_location = maildir:/home/vmail/%d/%u/Maildir
  232.  
  233. # If you need to set multiple mailbox locations or want to change default
  234. # namespace settings, you can do it by defining namespace sections.
  235. #
  236. # You can have private, shared and public namespaces. Private namespaces
  237. # are for user's personal mails. Shared namespaces are for accessing other
  238. # users' mailboxes that have been shared. Public namespaces are for shared
  239. # mailboxes that are managed by sysadmin. If you create any shared or public
  240. # namespaces you'll typically want to enable ACL plugin also, otherwise all
  241. # users can access all the shared mailboxes, assuming they have permissions
  242. # on filesystem level to do so.
  243. #
  244. # REMEMBER: If you add any namespaces, the default namespace must be added
  245. # explicitly, ie. mail_location does nothing unless you have a namespace
  246. # without a location setting. Default namespace is simply done by having a
  247. # namespace with empty prefix.
  248. #namespace private {
  249. # Hierarchy separator to use. You should use the same separator for all
  250. # namespaces or some clients get confused. '/' is usually a good one.
  251. # The default however depends on the underlying mail storage format.
  252. #separator =
  253.  
  254. # Prefix required to access this namespace. This needs to be different for
  255. # all namespaces. For example "Public/".
  256. #prefix =
  257.  
  258. # Physical location of the mailbox. This is in same format as
  259. # mail_location, which is also the default for it.
  260. #location =
  261.  
  262. # There can be only one INBOX, and this setting defines which namespace
  263. # has it.
  264. #inbox = no
  265.  
  266. # If namespace is hidden, it's not advertised to clients via NAMESPACE
  267. # extension. You'll most likely also want to set list=no. This is mostly
  268. # useful when converting from another server with different namespaces which
  269. # you want to deprecate but still keep working. For example you can create
  270. # hidden namespaces with prefixes "~/mail/", "~%u/mail/" and "mail/".
  271. #hidden = yes
  272.  
  273. # Show the mailboxes under this namespace with LIST command. This makes the
  274. # namespace visible for clients that don't support NAMESPACE extension.
  275. # "children" value lists child mailboxes, but hides the namespace prefix.
  276. #list = yes
  277.  
  278. # Namespace handles its own subscriptions. If set to "no", the parent
  279. # namespace handles them (empty prefix should always have this as "yes")
  280. #subscriptions = yes
  281. #}
  282.  
  283. # Example shared namespace configuration
  284. #namespace shared {
  285. #separator = /
  286.  
  287. # Mailboxes are visible under "shared/user@domain/"
  288. # %%n, %%d and %%u are expanded to the destination user.
  289. #prefix = shared/%%u/
  290.  
  291. # Mail location for other users' mailboxes. Note that %variables and ~/
  292. # expands to the logged in user's data. %%n, %%d, %%u and %%h expand to the
  293. # destination user's data.
  294. #location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u
  295.  
  296. # Use the default namespace for saving subscriptions.
  297. #subscriptions = no
  298.  
  299. # List the shared/ namespace only if there are visible shared mailboxes.
  300. #list = children
  301. #}
  302.  
  303. # System user and group used to access mails. If you use multiple, userdb
  304. # can override these by returning uid or gid fields. You can use either numbers
  305. # or names. </usr/share/doc/dovecot-common/wiki/UserIds.txt>
  306. mail_uid = 1000
  307. mail_gid = 1000
  308.  
  309. # Group to enable temporarily for privileged operations. Currently this is
  310. # used only with INBOX when either its initial creation or dotlocking fails.
  311. # Typically this is set to "mail" to give access to /var/mail.
  312. #mail_privileged_group =
  313. #mail_privileged_group = vmail
  314.  
  315. # Grant access to these supplementary groups for mail processes. Typically
  316. # these are used to set up access to shared mailboxes. Note that it may be
  317. # dangerous to set these if users can create symlinks (e.g. if "mail" group is
  318. # set here, ln -s /var/mail ~/mail/var could allow a user to delete others'
  319. # mailboxes, or ln -s /secret/shared/box ~/mail/mybox would allow reading it).
  320. #mail_access_groups =
  321.  
  322. # Allow full filesystem access to clients. There's no access checks other than
  323. # what the operating system does for the active UID/GID. It works with both
  324. # maildir and mboxes, allowing you to prefix mailboxes names with eg. /path/
  325. # or ~user/.
  326. #mail_full_filesystem_access = no
  327.  
  328. ##
  329. ## Mail processes
  330. ##
  331.  
  332. # Enable mail process debugging. This can help you figure out why Dovecot
  333. # isn't finding your mails.
  334. mail_debug = yes
  335.  
  336. # Log prefix for mail processes. See </usr/share/doc/dovecot-common/wiki/Variables.txt>
  337. # for list of possible variables you can use.
  338. mail_log_prefix = "%Us(%u): "
  339.  
  340. # Max. number of lines a mail process is allowed to log per second before it's
  341. # throttled. 0 means unlimited. Typically there's no need to change this
  342. # unless you're using mail_log plugin, which may log a lot. This setting is
  343. # ignored while mail_debug=yes to avoid pointless throttling.
  344. #mail_log_max_lines_per_sec = 10
  345.  
  346. # Don't use mmap() at all. This is required if you store indexes to shared
  347. # filesystems (NFS or clustered filesystem).
  348. mmap_disable = yes
  349.  
  350. # Rely on O_EXCL to work when creating dotlock files. NFS supports O_EXCL
  351. # since version 3, so this should be safe to use nowadays by default.
  352. #dotlock_use_excl = yes
  353.  
  354. # Don't use fsync() or fdatasync() calls. This makes the performance better
  355. # at the cost of potential data loss if the server (or the file server)
  356. # goes down.
  357. fsync_disable = yes
  358.  
  359. # Mail storage exists in NFS. Set this to yes to make Dovecot flush NFS caches
  360. # whenever needed. If you're using only a single mail server this isn't needed.
  361. #mail_nfs_storage = no
  362. # Mail index files also exist in NFS. Setting this to yes requires
  363. # mmap_disable=yes and fsync_disable=no.
  364. #mail_nfs_index = no
  365.  
  366. # Locking method for index files. Alternatives are fcntl, flock and dotlock.
  367. # Dotlocking uses some tricks which may create more disk I/O than other locking
  368. # methods. NFS users: flock doesn't work, remember to change mmap_disable.
  369. #lock_method = fcntl
  370.  
  371. # Drop all privileges before exec()ing the mail process. This is mostly
  372. # meant for debugging, otherwise you don't get core dumps. It could be a small
  373. # security risk if you use single UID for multiple users, as the users could
  374. # ptrace() each others processes then.
  375. #mail_drop_priv_before_exec = no
  376.  
  377. # Show more verbose process titles (in ps). Currently shows user name and
  378. # IP address. Useful for seeing who are actually using the IMAP processes
  379. # (eg. shared mailboxes or if same uid is used for multiple accounts).
  380. verbose_proctitle = yes
  381.  
  382. # Valid UID range for users, defaults to 500 and above. This is mostly
  383. # to make sure that users can't log in as daemons or other system users.
  384. # Note that denying root logins is hardcoded to dovecot binary and can't
  385. # be done even if first_valid_uid is set to 0.
  386. #first_valid_uid = 500
  387. #last_valid_uid = 0
  388.  
  389. # Valid GID range for users, defaults to non-root/wheel. Users having
  390. # non-valid GID as primary group ID aren't allowed to log in. If user
  391. # belongs to supplementary groups with non-valid GIDs, those groups are
  392. # not set.
  393. #first_valid_gid = 1
  394. #last_valid_gid = 0
  395.  
  396. # Maximum number of running mail processes. When this limit is reached,
  397. # new users aren't allowed to log in.
  398. #max_mail_processes = 512
  399.  
  400. # Set max. process size in megabytes. Most of the memory goes to mmap()ing
  401. # files, so it shouldn't harm much even if this limit is set pretty high.
  402. #mail_process_size = 256
  403.  
  404. # Maximum allowed length for mail keyword name. It's only forced when trying
  405. # to create new keywords.
  406. #mail_max_keyword_length = 50
  407.  
  408. # ':' separated list of directories under which chrooting is allowed for mail
  409. # processes (ie. /var/mail will allow chrooting to /var/mail/foo/bar too).
  410. # This setting doesn't affect login_chroot, mail_chroot or auth chroot
  411. # settings. If this setting is empty, "/./" in home dirs are ignored.
  412. # WARNING: Never add directories here which local users can modify, that
  413. # may lead to root exploit. Usually this should be done only if you don't
  414. # allow shell access for users. </usr/share/doc/dovecot-common/wiki/Chrooting.txt>
  415. #valid_chroot_dirs =
  416.  
  417. # Default chroot directory for mail processes. This can be overridden for
  418. # specific users in user database by giving /./ in user's home directory
  419. # (eg. /home/./user chroots into /home). Note that usually there is no real
  420. # need to do chrooting, Dovecot doesn't allow users to access files outside
  421. # their mail directory anyway. If your home directories are prefixed with
  422. # the chroot directory, append "/." to mail_chroot. </usr/share/doc/dovecot-common/wiki/Chrooting.txt>
  423. #mail_chroot =
  424.  
  425. ##
  426. ## Mailbox handling optimizations
  427. ##
  428.  
  429. # The minimum number of mails in a mailbox before updates are done to cache
  430. # file. This allows optimizing Dovecot's behavior to do less disk writes at
  431. # the cost of more disk reads.
  432. #mail_cache_min_mail_count = 0
  433.  
  434. # When IDLE command is running, mailbox is checked once in a while to see if
  435. # there are any new mails or other changes. This setting defines the minimum
  436. # time in seconds to wait between those checks. Dovecot can also use dnotify,
  437. # inotify and kqueue to find out immediately when changes occur.
  438. #mailbox_idle_check_interval = 30
  439.  
  440. # Save mails with CR+LF instead of plain LF. This makes sending those mails
  441. # take less CPU, especially with sendfile() syscall with Linux and FreeBSD.
  442. # But it also creates a bit more disk I/O which may just make it slower.
  443. # Also note that if other software reads the mboxes/maildirs, they may handle
  444. # the extra CRs wrong and cause problems.
  445. #mail_save_crlf = no
  446.  
  447. ##
  448. ## Maildir-specific settings
  449. ##
  450.  
  451. # By default LIST command returns all entries in maildir beginning with a dot.
  452. # Enabling this option makes Dovecot return only entries which are directories.
  453. # This is done by stat()ing each entry, so it causes more disk I/O.
  454. # (For systems setting struct dirent->d_type, this check is free and it's
  455. # done always regardless of this setting)
  456. #maildir_stat_dirs = no
  457.  
  458. # When copying a message, do it with hard links whenever possible. This makes
  459. # the performance much better, and it's unlikely to have any side effects.
  460. #maildir_copy_with_hardlinks = yes
  461.  
  462. # When copying a message, try to preserve the base filename. Only if the
  463. # destination mailbox already contains the same name (ie. the mail is being
  464. # copied there twice), a new name is given. The destination filename check is
  465. # done only by looking at dovecot-uidlist file, so if something outside
  466. # Dovecot does similar filename preserving copies, you may run into problems.
  467. # NOTE: This setting requires maildir_copy_with_hardlinks = yes to work.
  468. #maildir_copy_preserve_filename = no
  469.  
  470. # Assume Dovecot is the only MUA accessing Maildir: Scan cur/ directory only
  471. # when its mtime changes unexpectedly or when we can't find the mail otherwise.
  472. #maildir_very_dirty_syncs = no
  473.  
  474. ##
  475. ## mbox-specific settings
  476. ##
  477.  
  478. # Which locking methods to use for locking mbox. There are four available:
  479. # dotlock: Create <mailbox>.lock file. This is the oldest and most NFS-safe
  480. # solution. If you want to use /var/mail/ like directory, the users
  481. # will need write access to that directory.
  482. # dotlock_try: Same as dotlock, but if it fails because of permissions or
  483. # because there isn't enough disk space, just skip it.
  484. # fcntl : Use this if possible. Works with NFS too if lockd is used.
  485. # flock : May not exist in all systems. Doesn't work with NFS.
  486. # lockf : May not exist in all systems. Doesn't work with NFS.
  487. #
  488. # You can use multiple locking methods; if you do the order they're declared
  489. # in is important to avoid deadlocks if other MTAs/MUAs are using multiple
  490. # locking methods as well. Some operating systems don't allow using some of
  491. # them simultaneously.
  492. #
  493. # The Debian value for mbox_write_locks differs from upstream Dovecot. It is
  494. # changed to be compliant with Debian Policy (section 11.6) for NFS safety.
  495. # Dovecot: mbox_write_locks = dotlock fcntl
  496. # Debian: mbox_write_locks = fcntl dotlock
  497. #
  498. #mbox_read_locks = fcntl
  499. #mbox_write_locks = fcntl dotlock
  500.  
  501. # Maximum time in seconds to wait for lock (all of them) before aborting.
  502. #mbox_lock_timeout = 300
  503.  
  504. # If dotlock exists but the mailbox isn't modified in any way, override the
  505. # lock file after this many seconds.
  506. #mbox_dotlock_change_timeout = 120
  507.  
  508. # When mbox changes unexpectedly we have to fully read it to find out what
  509. # changed. If the mbox is large this can take a long time. Since the change
  510. # is usually just a newly appended mail, it'd be faster to simply read the
  511. # new mails. If this setting is enabled, Dovecot does this but still safely
  512. # fallbacks to re-reading the whole mbox file whenever something in mbox isn't
  513. # how it's expected to be. The only real downside to this setting is that if
  514. # some other MUA changes message flags, Dovecot doesn't notice it immediately.
  515. # Note that a full sync is done with SELECT, EXAMINE, EXPUNGE and CHECK
  516. # commands.
  517. #mbox_dirty_syncs = yes
  518.  
  519. # Like mbox_dirty_syncs, but don't do full syncs even with SELECT, EXAMINE,
  520. # EXPUNGE or CHECK commands. If this is set, mbox_dirty_syncs is ignored.
  521. #mbox_very_dirty_syncs = no
  522.  
  523. # Delay writing mbox headers until doing a full write sync (EXPUNGE and CHECK
  524. # commands and when closing the mailbox). This is especially useful for POP3
  525. # where clients often delete all mails. The downside is that our changes
  526. # aren't immediately visible to other MUAs.
  527. #mbox_lazy_writes = yes
  528.  
  529. # If mbox size is smaller than this (in kilobytes), don't write index files.
  530. # If an index file already exists it's still read, just not updated.
  531. #mbox_min_index_size = 0
  532.  
  533. ##
  534. ## dbox-specific settings
  535. ##
  536.  
  537. # Maximum dbox file size in kilobytes until it's rotated.
  538. #dbox_rotate_size = 2048
  539.  
  540. # Minimum dbox file size in kilobytes before it's rotated
  541. # (overrides dbox_rotate_days)
  542. #dbox_rotate_min_size = 16
  543.  
  544. # Maximum dbox file age in days until it's rotated. Day always begins from
  545. # midnight, so 1 = today, 2 = yesterday, etc. 0 = check disabled.
  546. #dbox_rotate_days = 0
  547.  
  548. ##
  549. ## IMAP specific settings
  550. ##
  551.  
  552. protocol imap {
  553. # Login executable location.
  554. #login_executable = /usr/lib/dovecot/imap-login
  555.  
  556. # IMAP executable location. Changing this allows you to execute other
  557. # binaries before the imap process is executed.
  558. #
  559. # This would write rawlogs into user's ~/dovecot.rawlog/, if it exists:
  560. # mail_executable = /usr/lib/dovecot/rawlog /usr/lib/dovecot/imap
  561. # </usr/doc/dovecot-common/wiki/Debugging.Rawlog.txt>
  562. #
  563. # This would attach gdb into the imap process and write backtraces into
  564. # /tmp/gdbhelper.* files:
  565. # mail_executable = /usr/lib/dovecot/gdbhelper /usr/lib/dovecot/imap
  566. #
  567. #mail_executable = /usr/lib/dovecot/imap
  568.  
  569. # Maximum IMAP command line length in bytes. Some clients generate very long
  570. # command lines with huge mailboxes, so you may need to raise this if you get
  571. # "Too long argument" or "IMAP command line too large" errors often.
  572. #imap_max_line_length = 65536
  573.  
  574. # Maximum number of IMAP connections allowed for a user from each IP address.
  575. # NOTE: The username is compared case-sensitively.
  576. mail_max_userip_connections = 200
  577.  
  578. # Support for dynamically loadable plugins. mail_plugins is a space separated
  579. # list of plugins to load.
  580. mail_plugins = quota imap_quota autocreate fts fts_squat mail_log
  581. #mail_plugin_dir = /usr/lib/dovecot/modules/imap
  582.  
  583. # IMAP logout format string:
  584. # %i - total number of bytes read from client
  585. # %o - total number of bytes sent to client
  586. #imap_logout_format = bytes=%i/%o
  587.  
  588. # Override the IMAP CAPABILITY response.
  589. #imap_capability =
  590.  
  591. # How many seconds to wait between "OK Still here" notifications when
  592. # client is IDLEing.
  593. #imap_idle_notify_interval = 120
  594.  
  595. # ID field names and values to send to clients. Using * as the value makes
  596. # Dovecot use the default value. The following fields have default values
  597. # currently: name, version, os, os-version, support-url, support-email.
  598. #imap_id_send =
  599.  
  600. # ID fields sent by client to log. * means everything.
  601. #imap_id_log =
  602.  
  603. # Workarounds for various client bugs:
  604. # delay-newmail:
  605. # Send EXISTS/RECENT new mail notifications only when replying to NOOP
  606. # and CHECK commands. Some clients ignore them otherwise, for example OSX
  607. # Mail (<v2.1). Outlook Express breaks more badly though, without this it
  608. # may show user "Message no longer in server" errors. Note that OE6 still
  609. # breaks even with this workaround if synchronization is set to
  610. # "Headers Only".
  611. # netscape-eoh:
  612. # Netscape 4.x breaks if message headers don't end with the empty "end of
  613. # headers" line. Normally all messages have this, but setting this
  614. # workaround makes sure that Netscape never breaks by adding the line if
  615. # it doesn't exist. This is done only for FETCH BODY[HEADER.FIELDS..]
  616. # commands. Note that RFC says this shouldn't be done.
  617. # tb-extra-mailbox-sep:
  618. # With mbox storage a mailbox can contain either mails or submailboxes,
  619. # but not both. Thunderbird separates these two by forcing server to
  620. # accept '/' suffix in mailbox names in subscriptions list.
  621. # The list is space-separated.
  622. #imap_client_workarounds =
  623. }
  624.  
  625. ##
  626. ## POP3 specific settings
  627. ##
  628.  
  629. protocol pop3 {
  630. # Login executable location.
  631. #login_executable = /usr/lib/dovecot/pop3-login
  632.  
  633. # POP3 executable location. See IMAP's mail_executable above for examples
  634. # how this could be changed.
  635. #mail_executable = /usr/lib/dovecot/pop3
  636.  
  637. # Don't try to set mails non-recent or seen with POP3 sessions. This is
  638. # mostly intended to reduce disk I/O. With maildir it doesn't move files
  639. # from new/ to cur/, with mbox it doesn't write Status-header.
  640. #pop3_no_flag_updates = no
  641.  
  642. # Support LAST command which exists in old POP3 specs, but has been removed
  643. # from new ones. Some clients still wish to use this though. Enabling this
  644. # makes RSET command clear all \Seen flags from messages.
  645. #pop3_enable_last = no
  646.  
  647. # If mail has X-UIDL header, use it as the mail's UIDL.
  648. #pop3_reuse_xuidl = no
  649.  
  650. # Keep the mailbox locked for the entire POP3 session.
  651. #pop3_lock_session = no
  652.  
  653. # POP3 UIDL (unique mail identifier) format to use. You can use following
  654. # variables, along with the variable modifiers described in
  655. # </usr/share/doc/dovecot-common/wiki/Variables.txt> (e.g. %Uf for the
  656. # filename in uppercase)
  657. #
  658. # %v - Mailbox's IMAP UIDVALIDITY
  659. # %u - Mail's IMAP UID
  660. # %m - MD5 sum of the mailbox headers in hex (mbox only)
  661. # %f - filename (maildir only)
  662. #
  663. # If you want UIDL compatibility with other POP3 servers, use:
  664. # UW's ipop3d : %08Xv%08Xu
  665. # Courier : %f or %v-%u (both might be used simultaneosly)
  666. # Cyrus (<= 2.1.3) : %u
  667. # Cyrus (>= 2.1.4) : %v.%u
  668. # Dovecot v0.99.x : %v.%u
  669. # tpop3d : %Mf
  670. #
  671. # Note that Outlook 2003 seems to have problems with %v.%u format which was
  672. # Dovecot's default, so if you're building a new server it would be a good
  673. # idea to change this. %08Xu%08Xv should be pretty fail-safe.
  674. #
  675. pop3_uidl_format = %08Xu%08Xv
  676.  
  677. # Permanently save UIDLs sent to POP3 clients, so pop3_uidl_format changes
  678. # won't change those UIDLs. Currently this works only with Maildir.
  679. #pop3_save_uidl = no
  680.  
  681. # POP3 logout format string:
  682. # %i - total number of bytes read from client
  683. # %o - total number of bytes sent to client
  684. # %t - number of TOP commands
  685. # %p - number of bytes sent to client as a result of TOP command
  686. # %r - number of RETR commands
  687. # %b - number of bytes sent to client as a result of RETR command
  688. # %d - number of deleted messages
  689. # %m - number of messages (before deletion)
  690. # %s - mailbox size in bytes (before deletion)
  691. #pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s
  692.  
  693. # Maximum number of POP3 connections allowed for a user from each IP address.
  694. # NOTE: The username is compared case-sensitively.
  695. #mail_max_userip_connections = 3
  696.  
  697. # Support for dynamically loadable plugins. mail_plugins is a space separated
  698. # list of plugins to load.
  699. #mail_plugins =
  700. #mail_plugin_dir = /usr/lib/dovecot/modules/pop3
  701.  
  702. # Workarounds for various client bugs:
  703. # outlook-no-nuls:
  704. # Outlook and Outlook Express hang if mails contain NUL characters.
  705. # This setting replaces them with 0x80 character.
  706. # oe-ns-eoh:
  707. # Outlook Express and Netscape Mail breaks if end of headers-line is
  708. # missing. This option simply sends it if it's missing.
  709. # The list is space-separated.
  710. #pop3_client_workarounds =
  711. }
  712.  
  713. ##
  714. ## ManageSieve specific settings
  715. ##
  716.  
  717. protocol managesieve {
  718. # Login executable location.
  719. login_executable = /usr/lib/dovecot/managesieve-login
  720.  
  721. # ManageSieve executable location. See IMAP's mail_executable above for
  722. # examples how this could be changed.
  723. mail_executable = /usr/lib/dovecot/managesieve
  724.  
  725. # Maximum ManageSieve command line length in bytes. This setting is
  726. # directly borrowed from IMAP. But, since long command lines are very
  727. # unlikely with ManageSieve, changing this will not be very useful.
  728. managesieve_max_line_length = 65536
  729.  
  730. # ManageSieve logout format string:
  731. # %i - total number of bytes read from client
  732. # %o - total number of bytes sent to client
  733. managesieve_logout_format = bytes=%i/%o
  734.  
  735. # If, for some inobvious reason, the sieve_storage remains unset, the
  736. # ManageSieve daemon uses the specification of the mail_location to find out
  737. # where to store the sieve files (see explaination in README.managesieve).
  738. # The example below, when uncommented, overrides any global mail_location
  739. # specification and stores all the scripts in '~/mail/sieve' if sieve_storage
  740. # is unset. However, you should always use the sieve_storage setting.
  741. # mail_location = mbox:~/mail
  742.  
  743. # To fool ManageSieve clients that are focused on timesieved you can
  744. # specify the IMPLEMENTATION capability that the dovecot reports to clients
  745. # (default: "dovecot").
  746. #managesieve_implementation_string = Cyrus timsieved v2.2.13
  747. }
  748.  
  749. ##
  750. ## LDA specific settings
  751. ##
  752.  
  753. protocol lda {
  754. # Address to use when sending rejection mails (e.g. postmaster@example.com).
  755. postmaster_address = postmaster@penta.hu
  756.  
  757. # Hostname to use in various parts of sent mails, eg. in Message-Id.
  758. # Default is the system's real hostname.
  759. #hostname =
  760.  
  761. # Support for dynamically loadable plugins. mail_plugins is a space separated
  762. # list of plugins to load.
  763. mail_plugins = sieve quota
  764. mail_plugin_dir = /usr/lib/dovecot/modules/lda
  765.  
  766. # If user is over quota, return with temporary failure instead of
  767. # bouncing the mail.
  768. #quota_full_tempfail = no
  769.  
  770. # Format to use for logging mail deliveries. You can use variables:
  771. # %$ - Delivery status message (e.g. "saved to INBOX")
  772. # %m - Message-ID
  773. # %s - Subject
  774. # %f - From address
  775. deliver_log_format = msgid=%m: %$
  776.  
  777. # Binary to use for sending mails.
  778. sendmail_path = /usr/sbin/sendmail
  779.  
  780. # Subject: header to use for rejection mails. You can use the same variables
  781. # as for rejection_reason below.
  782. rejection_subject = Rejected: %s
  783.  
  784. # Human readable error message for rejection mails. You can use variables:
  785. # %n = CRLF, %r = reason, %s = original subject, %t = recipient
  786. rejection_reason = Your message to <%t> was automatically rejected:%n%r
  787.  
  788. # UNIX socket path to master authentication server to find users.
  789. #auth_socket_path = /var/run/dovecot/auth-master
  790. }
  791.  
  792. ##
  793. ## Authentication processes
  794. ##
  795.  
  796. # Executable location
  797. #auth_executable = /usr/lib/dovecot/dovecot-auth
  798.  
  799. # Set max. process size in megabytes.
  800. #auth_process_size = 256
  801.  
  802. # Authentication cache size in kilobytes. 0 means it's disabled.
  803. # Note that bsdauth, PAM and vpopmail require cache_key to be set for caching
  804. # to be used.
  805. #auth_cache_size = 0
  806. # Time to live in seconds for cached data. After this many seconds the cached
  807. # record is no longer used, *except* if the main database lookup returns
  808. # internal failure. We also try to handle password changes automatically: If
  809. # user's previous authentication was successful, but this one wasn't, the
  810. # cache isn't used. For now this works only with plaintext authentication.
  811. #auth_cache_ttl = 3600
  812. # TTL for negative hits (user not found, password mismatch).
  813. # 0 disables caching them completely.
  814. #auth_cache_negative_ttl = 3600
  815.  
  816. # Space separated list of realms for SASL authentication mechanisms that need
  817. # them. You can leave it empty if you don't want to support multiple realms.
  818. # Many clients simply use the first one listed here, so keep the default realm
  819. # first.
  820. #auth_realms =
  821.  
  822. # Default realm/domain to use if none was specified. This is used for both
  823. # SASL realms and appending @domain to username in plaintext logins.
  824. #auth_default_realm =
  825.  
  826. # List of allowed characters in username. If the user-given username contains
  827. # a character not listed in here, the login automatically fails. This is just
  828. # an extra check to make sure user can't exploit any potential quote escaping
  829. # vulnerabilities with SQL/LDAP databases. If you want to allow all characters,
  830. # set this value to empty.
  831. #auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@
  832.  
  833. # Username character translations before it's looked up from databases. The
  834. # value contains series of from -> to characters. For example "#@/@" means
  835. # that '#' and '/' characters are translated to '@'.
  836. #auth_username_translation =
  837.  
  838. # Username formatting before it's looked up from databases. You can use
  839. # the standard variables here, eg. %Lu would lowercase the username, %n would
  840. # drop away the domain if it was given, or "%n-AT-%d" would change the '@' into
  841. # "-AT-". This translation is done after auth_username_translation changes.
  842. #auth_username_format =
  843.  
  844. # If you want to allow master users to log in by specifying the master
  845. # username within the normal username string (ie. not using SASL mechanism's
  846. # support for it), you can specify the separator character here. The format
  847. # is then <username><separator><master username>. UW-IMAP uses "*" as the
  848. # separator, so that could be a good choice.
  849. #auth_master_user_separator =
  850.  
  851. # Username to use for users logging in with ANONYMOUS SASL mechanism
  852. #auth_anonymous_username = anonymous
  853.  
  854. # Log unsuccessful authentication attempts and the reasons why they failed.
  855. auth_verbose = no
  856.  
  857. # Even more verbose logging for debugging purposes. Shows for example SQL
  858. # queries.
  859. auth_debug = no
  860.  
  861. # In case of password mismatches, log the passwords and used scheme so the
  862. # problem can be debugged. Enabling this also enables auth_debug.
  863. auth_debug_passwords = no
  864.  
  865. # Maximum number of dovecot-auth worker processes. They're used to execute
  866. # blocking passdb and userdb queries (eg. MySQL and PAM). They're
  867. # automatically created and destroyed as needed.
  868. #auth_worker_max_count = 30
  869.  
  870. # Host name to use in GSSAPI principal names. The default is to use the
  871. # name returned by gethostname(). Use "$ALL" to allow all keytab entries.
  872. #auth_gssapi_hostname =
  873.  
  874. # Kerberos keytab to use for the GSSAPI mechanism. Will use the system
  875. # default (usually /etc/krb5.keytab) if not specified.
  876. #auth_krb5_keytab =
  877.  
  878. # Do NTLM and GSS-SPNEGO authentication using Samba's winbind daemon and
  879. # ntlm_auth helper.
  880. # </usr/share/doc/dovecot-common/wiki/Authentication.Mechanisms.Winbind.txt>
  881. #auth_use_winbind = no
  882.  
  883. # Path for Samba's ntlm_auth helper binary.
  884. #auth_winbind_helper_path = /usr/bin/ntlm_auth
  885.  
  886. # Number of seconds to delay before replying to failed authentications.
  887. #auth_failure_delay = 2
  888.  
  889. auth default {
  890. # Space separated list of wanted authentication mechanisms:
  891. # plain login digest-md5 cram-md5 ntlm rpa apop anonymous gssapi otp skey
  892. # gss-spnego
  893. # NOTE: See also disable_plaintext_auth setting.
  894. mechanisms = plain
  895.  
  896. #
  897. # Password database is used to verify user's password (and nothing more).
  898. # You can have multiple passdbs and userdbs. This is useful if you want to
  899. # allow both system users (/etc/passwd) and virtual users to login without
  900. # duplicating the system users into virtual database.
  901. #
  902. # </usr/share/doc/dovecot-common/wiki/PasswordDatabase.txt>
  903. #
  904. # By adding master=yes setting inside a passdb you make the passdb a list
  905. # of "master users", who can log in as anyone else. Unless you're using PAM,
  906. # you probably still want the destination user to be looked up from passdb
  907. # that it really exists. This can be done by adding pass=yes setting to the
  908. # master passdb. </usr/share/doc/dovecot-common/wiki/Authentication.MasterUsers.txt>
  909.  
  910. # Users can be temporarily disabled by adding a passdb with deny=yes.
  911. # If the user is found from that database, authentication will fail.
  912. # The deny passdb should always be specified before others, so it gets
  913. # checked first. Here's an example:
  914.  
  915. #passdb passwd-file {
  916. # File contains a list of usernames, one per line
  917. #args = /etc/dovecot/dovecot.deny
  918. #deny = yes
  919. #}
  920.  
  921. # PAM authentication. Preferred nowadays by most systems.
  922. # Note that PAM can only be used to verify if user's password is correct,
  923. # so it can't be used as userdb. If you don't want to use a separate user
  924. # database (passwd usually), you can use static userdb.
  925. # REMEMBER: You'll need /etc/pam.d/dovecot file created for PAM
  926. # authentication to actually work. </usr/share/doc/dovecot-common/wiki/PasswordDatabase.PAM.txt>
  927. # passdb pam {
  928. # [session=yes] [setcred=yes] [failure_show_msg=yes] [max_requests=<n>]
  929. # [cache_key=<key>] [<service name>]
  930. #
  931. # session=yes makes Dovecot open and immediately close PAM session. Some
  932. # PAM plugins need this to work, such as pam_mkhomedir.
  933. #
  934. # setcred=yes makes Dovecot establish PAM credentials if some PAM plugins
  935. # need that. They aren't ever deleted though, so this isn't enabled by
  936. # default.
  937. #
  938. # max_requests specifies how many PAM lookups to do in one process before
  939. # recreating the process. The default is 100, because many PAM plugins
  940. # leak memory.
  941. #
  942. # cache_key can be used to enable authentication caching for PAM
  943. # (auth_cache_size also needs to be set). It isn't enabled by default
  944. # because PAM modules can do all kinds of checks besides checking password,
  945. # such as checking IP address. Dovecot can't know about these checks
  946. # without some help. cache_key is simply a list of variables (see
  947. # /usr/share/doc/dovecot-common/wiki/Variables.txt) which must match
  948. # for the cached data to be used.
  949. # Here are some examples:
  950. # %u - Username must match. Probably sufficient for most uses.
  951. # %u%r - Username and remote IP address must match.
  952. # %u%s - Username and service (ie. IMAP, POP3) must match.
  953. #
  954. # The service name can contain variables, for example %Ls expands to
  955. # pop3 or imap.
  956. #
  957. # Some examples:
  958. # args = session=yes %Ls
  959. # args = cache_key=%u dovecot
  960. #args = dovecot
  961. #}
  962.  
  963. # System users (NSS, /etc/passwd, or similiar)
  964. # In many systems nowadays this uses Name Service Switch, which is
  965. # configured in /etc/nsswitch.conf. </usr/share/doc/dovecot-common/wiki/AuthDatabase.Passwd.txt>
  966. #passdb passwd {
  967. # [blocking=yes] - See userdb passwd for explanation
  968. #args =
  969. #}
  970.  
  971. # Shadow passwords for system users (NSS, /etc/shadow or similiar).
  972. # Deprecated by PAM nowadays.
  973. # </usr/share/doc/dovecot-common/wiki/PasswordDatabase.Shadow.txt>
  974. #passdb shadow {
  975. # [blocking=yes] - See userdb passwd for explanation
  976. #args =
  977. #}
  978.  
  979. # PAM-like authentication for OpenBSD.
  980. # </usr/share/doc/dovecot-common/wiki/PasswordDatabase.BSDAuth.txt>
  981. #passdb bsdauth {
  982. # [cache_key=<key>] - See cache_key in PAM for explanation.
  983. #args =
  984. #}
  985.  
  986. # passwd-like file with specified location
  987. # </usr/share/doc/dovecot-common/wiki/AuthDatabase.PasswdFile.txt>
  988. #passdb passwd-file {
  989. # [scheme=<default password scheme>] [username_format=<format>]
  990. # <Path for passwd-file>
  991. #args =
  992. #}
  993.  
  994. # checkpassword executable authentication
  995. # NOTE: You will probably want to use "userdb prefetch" with this.
  996. # </usr/share/doc/dovecot-common/wiki/AuthDatabase.CheckPassword.txt>
  997. #passdb checkpassword {
  998. # Path for checkpassword binary
  999. #args =
  1000. #}
  1001.  
  1002. # SQL database </usr/share/doc/dovecot-common/wiki/AuthDatabase.SQL.txt>
  1003. passdb sql {
  1004. # Path for SQL configuration file
  1005. args = /etc/dovecot/dovecot-sql.conf
  1006. }
  1007.  
  1008. # LDAP database </usr/share/doc/dovecot-common/wiki/AuthDatabase.LDAP.txt>
  1009. #passdb ldap {
  1010. # Path for LDAP configuration file
  1011. #args = /etc/dovecot/dovecot-ldap.conf
  1012. #}
  1013.  
  1014. # vpopmail authentication </usr/share/doc/dovecot-common/wiki/AuthDatabase.VPopMail.txt>
  1015. #passdb vpopmail {
  1016. # [cache_key=<key>] - See cache_key in PAM for explanation.
  1017. # [quota_template=<template>] - %q expands to Maildir++ quota
  1018. # (eg. quota_template=quota_rule=*:backend=%q)
  1019. #args =
  1020. #}
  1021.  
  1022. #
  1023. # User database specifies where mails are located and what user/group IDs
  1024. # own them. For single-UID configuration use "static".
  1025. #
  1026. # </usr/share/doc/dovecot-common/wiki/UserDatabase.txt>
  1027. #
  1028.  
  1029. # "prefetch" user database means that the passdb already provided the
  1030. # needed information and there's no need to do a separate userdb lookup.
  1031. # This can be made to work with SQL and LDAP databases, see their example
  1032. # configuration files for more information how to do it.
  1033. # </usr/share/doc/dovecot-common/wiki/UserDatabase.Prefetch.txt>
  1034. #userdb prefetch {
  1035. #}
  1036.  
  1037. # System users (NSS, /etc/passwd, or similiar). In many systems nowadays this
  1038. # uses Name Service Switch, which is configured in /etc/nsswitch.conf.
  1039. # </usr/share/doc/dovecot-common/wiki/AuthDatabase.Passwd.txt>
  1040. #userdb passwd {
  1041. # [blocking=yes] - By default the lookups are done in the main dovecot-auth
  1042. # process. This setting causes the lookups to be done in auth worker
  1043. # proceses. Useful with remote NSS lookups that may block.
  1044. # NOTE: Be sure to use this setting with nss_ldap or users might get
  1045. # logged in as each others!
  1046. #args =
  1047. #}
  1048.  
  1049. # passwd-like file with specified location
  1050. # </usr/share/doc/dovecot-common/wiki/AuthDatabase.PasswdFile.txt>
  1051. #userdb passwd-file {
  1052. # [username_format=<format>] <Path for passwd-file>
  1053. #args =
  1054. #}
  1055.  
  1056. # checkpassword executable user database lookup
  1057. # </usr/share/doc/dovecot-common/wiki/AuthDatabase.CheckPassword.txt>
  1058. #userdb checkpassword {
  1059. # Path for checkpassword binary
  1060. #args =
  1061. #}
  1062.  
  1063. # static settings generated from template </usr/share/doc/dovecot-common/wiki/UserDatabase.Static.txt>
  1064. #userdb static {
  1065. # Template for the fields. Can return anything a userdb could normally
  1066. # return. For example:
  1067. #
  1068. # args = uid=500 gid=500 home=/var/mail/%u
  1069. #
  1070. # If you use deliver, it needs to look up users only from the userdb. This
  1071. # of course doesn't work with static because there is no list of users.
  1072. # Normally static userdb handles this by doing a passdb lookup. This works
  1073. # with most passdbs, with PAM being the most notable exception. If you do
  1074. # the user verification another way, you can add allow_all_users=yes to
  1075. # the args in which case the passdb lookup is skipped.
  1076. #
  1077. #args =
  1078. #}
  1079.  
  1080. # SQL database </usr/share/doc/dovecot-common/wiki/AuthDatabase.SQL.txt>
  1081. #userdb sql {
  1082. # Path for SQL configuration file
  1083. #args = /etc/dovecot/dovecot-sql.conf
  1084. #}
  1085.  
  1086. # LDAP database </usr/share/doc/dovecot-common/wiki/AuthDatabase.LDAP.txt>
  1087. #userdb ldap {
  1088. # Path for LDAP configuration file
  1089. #args = /etc/dovecot/dovecot-ldap.conf
  1090. #}
  1091.  
  1092. # vpopmail </usr/share/doc/dovecot-common/wiki/AuthDatabase.VPopMail.txt>
  1093. #userdb vpopmail {
  1094. #}
  1095.  
  1096. # User to use for the process. This user needs access to only user and
  1097. # password databases, nothing else. Only shadow and pam authentication
  1098. # requires roots, so use something else if possible. Note that passwd
  1099. # authentication with BSDs internally accesses shadow files, which also
  1100. # requires roots. Note that this user is NOT used to access mails.
  1101. # That user is specified by userdb above.
  1102. #user = root
  1103.  
  1104. # Directory where to chroot the process. Most authentication backends don't
  1105. # work if this is set, and there's no point chrooting if auth_user is root.
  1106. # Note that valid_chroot_dirs isn't needed to use this setting.
  1107. #chroot =
  1108.  
  1109. # Number of authentication processes to create
  1110. #count = 1
  1111.  
  1112. # Require a valid SSL client certificate or the authentication fails.
  1113. #ssl_require_client_cert = no
  1114.  
  1115. # Take the username from client's SSL certificate, using
  1116. # X509_NAME_get_text_by_NID() which returns the subject's DN's
  1117. # CommonName.
  1118. #ssl_username_from_cert = no
  1119.  
  1120. # It's possible to export the authentication interface to other programs:
  1121. socket listen {
  1122. master {
  1123. # Master socket provides access to userdb information. It's typically
  1124. # used to give Dovecot's local delivery agent access to userdb so it
  1125. # can find mailbox locations.
  1126. path = /var/run/dovecot/auth-master
  1127. mode = 0600
  1128. # Default user/group is the one who started dovecot-auth (root)
  1129. user = vmail
  1130. group = vmail
  1131. }
  1132. client {
  1133. # The client socket is generally safe to export to everyone. Typical use
  1134. # is to export it to your SMTP server so it can do SMTP AUTH lookups
  1135. # using it.
  1136. path = /var/run/dovecot/auth-client
  1137. mode = 0660
  1138. }
  1139. }
  1140. }
  1141.  
  1142. # If you wish to use another authentication server than dovecot-auth, you can
  1143. # use connect sockets. They are assumed to be already running, Dovecot's master
  1144. # process only tries to connect to them. They don't need any other settings
  1145. # than the path for the master socket, as the configuration is done elsewhere.
  1146. # Note that the client sockets must exist in the login_dir.
  1147. #auth external {
  1148. # socket connect {
  1149. # master {
  1150. # path = /var/run/dovecot/auth-master
  1151. # }
  1152. # }
  1153. #}
  1154.  
  1155. ##
  1156. ## Dictionary server settings
  1157. ##
  1158.  
  1159. # Dictionary can be used by some plugins to store key=value lists, such as
  1160. # quota, expire and acl plugins. The dictionary can be used either directly or
  1161. # though a dictionary server. The following dict block maps dictionary names to
  1162. # URIs when the server is used. These can then be referenced using URIs in
  1163. # format "proxy::<name>".
  1164.  
  1165. #dict {
  1166. # quotadict = mysql:/etc/dovecot/dovecot-dict-quota.conf
  1167. #expire = db:/var/lib/dovecot/expire.db
  1168. #}
  1169.  
  1170. # Path to Berkeley DB's configuration file. See doc/dovecot-db-example.conf
  1171. #dict_db_config =
  1172.  
  1173. ##
  1174. ## Plugin settings
  1175. ##
  1176.  
  1177. plugin {
  1178. # Here you can give some extra environment variables to mail processes.
  1179. # This is mostly meant for passing parameters to plugins. %variable
  1180. # expansion is done for all values.
  1181.  
  1182. #full text searc plugin
  1183. fts = squat
  1184.  
  1185. #autocreate plugin
  1186. autocreate = Trash
  1187. autocreate2 = Junk
  1188. autocreate3 = Sent
  1189. autocreate4 = Drafts
  1190. autosubscribe = Trash
  1191. autosubscribe2 = Junk
  1192. autosubscribe3 = Sent
  1193. autosubscribe4 = Drafts
  1194.  
  1195. # Quota plugin. Multiple backends are supported:
  1196. # dirsize: Find and sum all the files found from mail directory.
  1197. # Extremely SLOW with Maildir. It'll eat your CPU and disk I/O.
  1198. # dict: Keep quota stored in dictionary (eg. SQL)
  1199. # maildir: Maildir++ quota
  1200. # fs: Read-only support for filesystem quota
  1201. #quota = dict:user::proxy::quotadict
  1202. # Quota limits are set using "quota_rule" parameters, either in here or in
  1203. # userdb. It's also possible to give mailbox-specific limits, for example:
  1204. # quota_rule = *:storage=1048576
  1205. # quota_rule2 = Trash:storage=102400
  1206. # User has now 1GB quota, but when saving to Trash mailbox the user gets
  1207. # additional 100MB.
  1208. #
  1209. # Multiple quota roots are also possible, for example:
  1210. # quota = dict:user::proxy::quota
  1211. # quota2 = dict:domain:%d:proxy::quota_domain
  1212. # quota_rule = *:storage=102400
  1213. # quota2_rule = *:storage=1048576
  1214. # Gives each user their own 100MB quota and one shared 1GB quota within
  1215. # the domain.
  1216. #
  1217. # You can execute a given command when user exceeds a specified quota limit.
  1218. # Each quota root has separate limits. Only the command for the first
  1219. # exceeded limit is excecuted, so put the highest limit first.
  1220. # Note that % needs to be escaped as %%, otherwise "% " expands to empty.
  1221. # quota_warning = storage=95%% /usr/local/bin/quota-warning.sh 95
  1222. # quota_warning2 = storage=80%% /usr/local/bin/quota-warning.sh 80
  1223. #quota = maildir
  1224.  
  1225. # ACL plugin. vfile backend reads ACLs from "dovecot-acl" file from maildir
  1226. # directory. You can also optionally give a global ACL directory path where
  1227. # ACLs are applied to all users' mailboxes. The global ACL directory contains
  1228. # one file for each mailbox, eg. INBOX or sub.mailbox. cache_secs parameter
  1229. # specifies how many seconds to wait between stat()ing dovecot-acl file
  1230. # to see if it changed.
  1231. #acl = vfile:/etc/dovecot/dovecot-acls:cache_secs=300
  1232.  
  1233. # To let users LIST mailboxes shared by other users, Dovecot needs a
  1234. # shared mailbox dictionary. For example:
  1235. #acl_shared_dict = file:/var/lib/dovecot/shared-mailboxes
  1236.  
  1237. # Convert plugin. If set, specifies the source storage path which is
  1238. # converted to destination storage (mail_location) when the user logs in.
  1239. # The existing mail directory is renamed to <dir>-converted.
  1240. #convert_mail = mbox:%h/mail
  1241. # Skip mailboxes which we can't open successfully instead of aborting.
  1242. #convert_skip_broken_mailboxes = no
  1243. # Skip directories beginning with '.'
  1244. #convert_skip_dotdirs = no
  1245. # If source storage has mailbox names with destination storage's hierarchy
  1246. # separators, replace them with this character.
  1247. #convert_alt_hierarchy_char = _
  1248.  
  1249. # Trash plugin. When saving a message would make user go over quota, this
  1250. # plugin automatically deletes the oldest mails from configured mailboxes
  1251. # until the message can be saved within quota limits. The configuration file
  1252. # is a text file where each line is in format: <priority> <mailbox name>
  1253. # Mails are first deleted in lowest -> highest priority number order
  1254. #trash = /etc/dovecot/dovecot-trash.conf
  1255.  
  1256. # Expire plugin. Mails are expunged from mailboxes after being there the
  1257. # configurable time. The first expiration date for each mailbox is stored in
  1258. # a dictionary so it can be quickly determined which mailboxes contain
  1259. # expired mails. The actual expunging is done in a nightly cronjob, which
  1260. # you must set up:
  1261. # dovecot --exec-mail ext /usr/lib/dovecot/expire-tool.sh
  1262. #expire = Trash 7 Spam 30
  1263. #expire_dict = proxy::expire
  1264.  
  1265. # Lazy expunge plugin. Currently works only with maildirs. When a user
  1266. # expunges mails, the mails are moved to a mailbox in another namespace
  1267. # (1st). When a mailbox is deleted, the mailbox is moved to another namespace
  1268. # (2nd) as well. Also if the deleted mailbox had any expunged messages,
  1269. # they're moved to a 3rd namespace. The mails won't be counted in quota,
  1270. # and they're not deleted automatically (use a cronjob or something).
  1271. #lazy_expunge = .EXPUNGED/ .DELETED/ .DELETED/.EXPUNGED/
  1272.  
  1273. # Events to log. Also available: flag_change append
  1274. mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename
  1275. # Group events within a transaction to one line.
  1276. #mail_log_group_events = no
  1277. # Available fields: uid, box, msgid, from, subject, size, vsize, flags
  1278. # size and vsize are available only for expunge and copy events.
  1279. mail_log_fields = uid box msgid size, from, subject, size
  1280.  
  1281. # Sieve plugin (http://wiki.dovecot.org/LDA/Sieve) and ManageSieve service
  1282. #
  1283. # Location of the active script. When ManageSieve is used this is actually
  1284. # a symlink pointing to the active script in the sieve storage directory.
  1285. #sieve=~/.dovecot.sieve
  1286. sieve=/home/vmail/%d/%n@%d/Maildir/sieve/.dovecot.sieve
  1287. #
  1288. # The path to the directory where the personal Sieve scripts are stored. For
  1289. # ManageSieve this is where the uploaded scripts are stored.
  1290. #sieve_dir=~/sieve
  1291. sieve_before = /etc/dovecot/dovecot.sieve.before
  1292. sieve_dir=/home/vmail/%d/%n@%d/Maildir/sieve
  1293. sieve_global_path=/etc/dovecot/dovecot.sieve
  1294. sieve_global_dir=/etc/dovecot
  1295. }
  1296.  
  1297. # Config files can also be included. deliver doesn't support them currently.
  1298. #!include /etc/dovecot/conf.d/*.conf
  1299. # Optional configurations, don't give an error if it's not found:
  1300. #!include_try /etc/dovecot/extra.conf
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