[Dovecot-news] v2.2.13.rc1 released

Timo Sirainen tss at iki.fi
Thu May 8 15:37:20 UTC 2014


There have been a ton of smaller and some larger changes since v2.2.12, so I thought I'd first make a RC release and the final v2.2.13 tomorrow. Please try it out!

BTW. I've read most of the mails again in Dovecot mailing list, but there are still a few reported bugs I decided to leave until later. Anyway feel free to re-send any bug reports for things that haven't been fixed in v2.2.13 yet.

        * Fixed a DoS attack against imap/pop3-login processes. If SSL/TLS
          handshake was started but wasn't finished, the login process
          attempted to eventually forcibly disconnect the client, but failed
          to do it correctly. This could have left the connections hanging
          arond for a long time. (Affected Dovecot v1.1+)

        + mdbox: Added mdbox_purge_preserve_alt setting to keep the file
          within alt storage during purge. (Should become enforced in v2.3.0?)
        + fts: Added support for parsing attachments via Apache Tika. Enable
          with: plugin { fts_tika = http://tikahost:9998/tika/ }
        + virtual plugin: Delay opening backend mailboxes until it's necessary.
          This requires mailbox_list_index=yes to work. (Currently IMAP IDLE
          command still causes all backend mailboxes to be opened.)
        + mail_never_cache_fields=* means now to disable all caching. This may
          be a useful optimization as doveadm/dsync parameter for some admin
          tasks which shouldn't really update the cache file.
        + IMAP: Return SPECIAL-USE flags always for LSUB command.
        - pop3 server was still crashing in v2.2.12 with some settings
        - maildir: Various fixes and improvements to handling compressed mails,
          especially when they have broken/missing S=sizes in filenames.
        - fts-lucene, fts-solr: Fixed crash on search when the index contained
          duplicate entries.
        - Many fixes and performance improvements to dsync and replication
        - director was somewhat broken when there were exactly two directors
          in the ring. It caused errors about "weak users" getting stuck.
        - mail_attachment_dir: Attachments with the last base64-encoded line
          longer than the rest wasn't handled correctly.
        - IMAP: SEARCH/SORT PARTIAL was handled completely wrong in v2.2.11+
        - acl: Global ACL file handling was broken when multiple entries
          matched the mailbox name. (Only the first entry was used.)

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