- dovecot updated to 2.0.6
    - Pre-login CAPABILITY includes IDLE again. Mainly to make Blackberry
      servers happy.
    - auth: auth_cache_negative_ttl default was 0 in earlier v2.0.x, but it
      was supposed to be 1 hour as in v1.x. Changed it back to 1h.
    - doveadm: Added import command for importing mails from other storages.
    - Reduced NFS I/O operations for index file accesses
    - dbox, Maildir: When copying messages, copy also already cached fields
      from dovecot.index.cache
    - Maildir: LDA/LMTP assert-crashed sometimes when saving a mail.
    - Fixed leaking fds when writing to dovecot.mailbox.log.
    - Fixed rare dovecot.index.cache corruption
    - IMAP: SEARCH YOUNGER/OLDER wasn't working correctly