v2.2.16 released

[Reindl Harald]

/usr/lib64/dovecot/stats/libstats_mail.so

why in the world a new sub-directory containing just one so-file 
enforcing pakcage buildsers to change SPEC files?

Am 12.03.2015 um 18:30 schrieb Timo Sirainen:
> http://dovecot.org/releases/2.2/dovecot-2.2.16.tar.gz
> http://dovecot.org/releases/2.2/dovecot-2.2.16.tar.gz.sig
>
> A few fixes and some imapc improvements since the release candidate.
>
> 	* dbox: Resyncing (e.g. doveadm force-resync) no longer deletes
> 	  dovecot.index.cache file. The cache file was rarely the problem
> 	  so this just caused unnecessary slowness.
> 	* Mailbox name limits changed during mailbox creation: Each part of
> 	  a hierarchical name (e.g. "x" or "y" in "x/y") can now be up to 255
> 	  chars long (instead of 200). This also reduces the max number of
> 	  hierarchical levels to 16 (instead of 20) to keep the maximum name
> 	  length 4096 (a common PATH_MAX limit). The 255 char limit is
> 	  hopefully large enough for migrations from all existing systems.
> 	  It's also the limit on many filesystems.
>
> 	+ director: Added director_consistent_hashing setting to enable
> 	  consistent hashing (instead of the mostly-random MD5 hashing).
> 	  This causes fewer user moves between backends when backend counts
> 	  are changed, which may improve performance (mainly due to caching).
> 	+ director: Added support for "tags", which allows one director ring
> 	  to serve multiple backend clusters with different sets of users.
> 	+ LMTP server: Added lmtp_user_concurrency_limit setting to limit how
> 	  many LMTP deliveries can be done concurrently for a single user.
> 	+ LMTP server: Added support for STARTTLS command.
> 	+ If logging data is generated faster than it can be written, log a
> 	  warning about it and show information about it in log process's
> 	  process title in ps output. Also don't allow a single service to
> 	  flood too long at the cost of delaying other services' logging.
> 	+ stats: Added support for getting global statistics.
> 	+ stats: Use the same session IDs as the rest of Dovecot.
> 	+ stats: Plugins can now create their own statistics fields
> 	+ doveadm server: Non-mail related commands can now also be used
> 	  via doveadm server (TCP socket).
> 	+ doveadm proxying: passdb lookup can now override doveadm_port and
> 	  change the username.
> 	+ doveadm: Search query supports now "oldestonly" parameter to stop
> 	  immediately on the first non-match. This can be used to optimize:
> 	  doveadm expunge mailbox Trash savedbefore 30d oldestonly
> 	+ doveadm: Added "save" command to directly save mails to specified
> 	  mailbox (bypassing Sieve).
> 	+ doveadm fetch: Added body.snippet field, which returns the first
> 	  100 chars of a message without whitespace or HTML tags. The result
> 	  is stored into dovecot.index.cache, so it can be fetched efficiently.
> 	+ dsync: Added -t <timestamp> parameter to sync only mails newer than
> 	  the given received-timestamp.
> 	+ dsync: Added -F [-]<flag> parameter to sync only mails with[out] the
> 	  given flag/keyword.
> 	+ dsync: Added -a <mailbox> parameter to specify the virtual mailbox
> 	  containing user's all mails. If this mailbox is already found to
> 	  contain the wanted mail (by its GUID), the message is copied from
> 	  there instead of being re-saved. (This isn't efficient enough yet
> 	  for incremental replication.)
> 	+ dsync: -m parameter can now specify \Special-use names for mailboxes.
> 	+ imapc: Added imapc_features=gmail-migration to help migrations from
> 	  GMail. See http://wiki2.dovecot.org/Migration/Gmail
> 	+ imapc: Added imapc_features=search to support IMAP SEARCH command.
> 	  (Currently requires ESEARCH support from remote server.)
> 	+ expire plugin: Added expire_cache=yes setting to cache most of the
> 	  database lookups in dovecot index files.
> 	+ quota: If overquota-flag in userdb doesn't match the current quota
> 	  usage, execute a configured script.
> 	+ redis dict: Added support for expiring keys (:expire_secs=n) and
> 	  specifying the database number (:db=n)
> 	- auth: Don't crash if master user login is attempted without
> 	  any configured master=yes passdbs
> 	- Parsing UTF-8 text for mails could have caused broken results
> 	  sometimes if buffering was split in the middle of a UTF-8 character.
> 	  This affected at least searching messages.
> 	- String sanitization for some logged output wasn't done properly:
> 	  UTF-8 text could have been truncated wrongly or the truncation may
> 	  not have happened at all.
> 	- fts-lucene: Lookups from virtual mailbox consisting of over 32
> 	  physical mailboxes could have caused crashes.

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