Dumpster Configuration

Note

"Dumpster" is an Open-Xchange proprietary App Suite feature that will list messages stored in a single Dovecot Lazy Expunge mailbox.

This config moves the last copy of a message, when deleted, to a hidden EXPUNGED mailbox. Messages in the EXPUNGED mailbox will be automatically expunged after 7 days. Messages in EXPUNGED will not count toward the quota limit. The EXPUNGED mailbox will NOT be visible to hosts connecting on any IP other than 127.0.0.2 (App Suite should connect to Dovecot on this address so that EXPUNGED can be displayed by the Dumpster UI view).

dovecot.conf

namespace inbox {
  mailbox EXPUNGED {
    autoexpunge = 7d
  }
}

mail_plugins = $mail_plugins lazy_expunge
plugin {
  lazy_expunge = EXPUNGED
  lazy_expunge_only_last_instance = yes
  quota_rule = EXPUNGED:ignore
}

protocol imap {
  mail_plugins = $mail_plugins acl
  plugin {
    # Hide EXPUNGED by default
    acl = vfile:/etc/dovecot/dovecot.acl
  }
}

local 127.0.0.2 {
  protocol imap {
    plugin {
      # Allow EXPUNGED to be accessed by App Suite
      # Note: App Suite does not need to be able to list, as the EXPUNGED
      # mailbox is not shown in mailbox listing; it is directly accessed
      # via the Dumpster module
      acl = vfile:/etc/dovecot/lazy_expunge.acl
    }
  }
}

dovecot.acl

EXPUNGED owner ip

lazy_expunge.acl

EXPUNGED owner rwstipekxa