Plugins

Distributed with Dovecot:

• acl: Access Control Lists for mailboxes

• apparmor: Apparmor support plugin

• autocreate: Automatically create/subscribe mailboxes when user logs in

• expire: Delete mails from specified mailboxes after a designated number of days

• fts: Full text search indexing

• last_login: Last-login timestamp updating

• lazy_expunge: Make EXPUNGE and DELETE commands just rename the mails elsewhere

• listescape: Allow using characters in mailbox names that would otherwise be illegal

• mailbox_alias: Map multiple names to the same mailbox.

• mail_filter: Filter mails while reading/writing through a script

• mail_log: Log several mail actions

• notify: Wrapper plugin for easily developing other plugins that act on mailbox changes.

• notify_status: Plugin for notify that pushes mailbox status to dict on change

• push_notification: Push notification framework

• snarf: UW-IMAP style (mbox) snarfing, i.e. keeps moving all mails from one mailbox to INBOX

• quota: Quota tracking and enforcing

  • imap_quota: IMAP commands for requesting current quota

  • quota_clone: Copy the current quota usage to a dict.

• stats: Send statistics from mail processes to the stats process

• trash: Delete mails from Trash when user would go over quota

• virtual: Virtual mailboxes

• welcome: Call a script on user's first login.

• zlib: Access compressed mails

• imap_zlib: Enable IMAP COMPRESS extension

• mail_crypt: In-rest mail encryption

• var_expand_crypt: Variable encryption/decryption

Distributed with binary packages and maintained by Dovecot

• Pigeonhole Sieve: Use the Sieve language to perform actions upon message delivery, such as filtering, forwarding, vacation replies, notifications and many other actions. See the documentation for a full list.

External:

• antispam: Integrates spam learning into Dovecot

• drac: Pop-before-SMTP plugin using DRAC

• whoson: Pop-before-SMTP plugin using WHOSON protocol

• alert: Send IMAP ALERT message from /etc/dovecot.alert.

• Fetchmail wakeup: Wakes fetchmail when Dovecot looks for new mail. This is a heavily extended and updated version that is tested to work with Dovecot 1.1.x and 1.2.x. Versions 2.x including the freshly released version 2.0.3 work with Dovecot 2.0.x.

• Fetchmail wake: Wakes fetchmail when Dovecot looks for new mail. This is the original version that only works with dovecot 1.0.x

• deleted-to-trash: Automatically move deleted item to trash folder, if client side doesn't do it, such as outlook and evolution.

• extra-copies: allows extra copies of messages to be made in other folders whenever a message is added to a particular folder.

• fts-elasticsearch: Allows for the use of ElasticSearch as a full-text search backend.

• openchange: Allows OpenChange to update Microsoft Outook mailboxes automatically when new emails are received by Dovecot 2.x.

• TREES: A NaCL-based Dovecot encryption plugin

• dovecot-xaps-plugin: iOS Push Email for Dovecot

• dovecot-libsodium-plugin: Libsodium password hashing schemes plugin

• fts-xapian: Xapian based FTS

• fts-flatcurve: Another Xapian based FTS

Experimental Plugins:

• xexec: Execute any server side application and communicate with it through plugins over IMAP

To enable / disable plugins per user you can make your userdb return mail_plugins extra field. See UserDatabase/ExtraFields for examples.