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NEWS
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v2.2.21 2015-12-11 Timo Sirainen <tss@iki.fi>
- doveadm mailbox list (and some others) were broken in v2.2.20
- director: Fixed making backend changes when running with only a
single director server.
- virtual plugin: Fixed crash when trying to open nonexistent
autocreated backend mailbox.
v2.2.20 2015-12-07 Timo Sirainen <tss@iki.fi>
+ Added mailbox { autoexpunge=<time> } setting. See
http://wiki2.dovecot.org/MailboxSettings for details.
+ ssl_options: Added support for no_ticket
+ imap/pop3/managesieve-login: Added postlogin_socket=path passdb extra
field. This allows replacing the default service
imap/pop3/managesieve {} settings for specific users (e.g. running
their imap process via valgrind or strace).
+ doveadm fetch: Added date.sent/received/saved.unixtime
+ fs-posix: Added mode=auto parameter to set the created files' and
directories' mode based on the parent dir if it has setgid-bit.
+ director: Support backends having hostnames, which makes it possible
to verify their SSL certificates.
- director: Directors' state became desynchronized if doveadm director
commands were used to modify the same backend in multiple directors
at the same time with conflicting changes. This fix includes some
extra checks, which makes sure that if such a conflict still happens
it's automatically fixed. In some situations such an automatic fix
may now be unnecessarily triggered and an error logged.
- director: Backend tags weren't working correctly.
- ldap: tls_* settings weren't used for ldaps URIs.
- ldap, mysql: Fixed setting connect timeout.
- auth: userdb lookups via auth-worker couldn't change username
- dsync: Fixed handling deleted directories. Make sure we don't go to
infinite mailbox renaming loop.
- imap: Fixed crash in NOTIFY when there were watched namespaces that
didn't support NOTIFY.
- imap: After SETMETADATA was used, various commands (especially FETCH)
could have started hanging when their output was large.
- stats: Idle sessions weren't refreshed often enough, causing stats
process to forget them and log errors about unknown sessions when
they were updated later.
- stats: Fixed "Duplicate session ID" errors when LMTP delivered to
multiple recipients and fts_autoindex=yes.
- zlib plugin: Fixed copying causing cache corruption when zlib_save
wasn't set, but the source message was compressed.
- fts-solr: Fixed escaping Solr query parameters.
- lmtp: quota_full_tempfail=yes was ignored with
lmtp_rcpt_check_quota=yes
v2.2.19 2015-10-02 Timo Sirainen <tss@iki.fi>
* pop3_deleted_flag has been broken since v2.2.10. Using it would
cause buffer overflows, which could be exploitable. However, this
bug would have become visible quite soon after users had deleted
some POP3 mails, because the pop3 processes would have started
crashing all the time even in normal use.
* "doveadm director flush" command has a changed meaning now:
It safely moves users to their wanted backends, instead of simply
forgetting the mapping entirely and leaving the existing connections
untouched. Use -F parameter to get the original unsafe behavior.
+ Added imap-hibernate processes (see imap_hibernate_timeout setting).
IDLEing IMAP connections can be hibernated, which saves memory.
+ Optimized tracking mailboxes' vsizes (= sum of all messages' sizes).
If mailbox_list_index=yes, it's also stored in there. This makes it
very efficient to look up vsizes for all mailboxes.
+ Added a quota "count" backend, which uses the mailbox vsizes to get
the current quota usage. It requires using the new quota_vsizes=yes
setting, which tracks the messages' "virtual sizes" rather than
"physical sizes". Their distiction is minor and mostly irrelevant
nowadays (if mail sizes should be counted with LF or CRLF newlines).
+ "doveadm director up/down" commands added. The monitoring script
should be using these commands instead of changing the vhost count.
This allows admin to manually disable a server by changing the vhost
count to 0 without the monitoring script changing it back.
+ Added support for HAProxy protocol: http://wiki2.dovecot.org/HAProxy
+ Added push-notification plugin framework, which can be used to
easily implement push notifications to various backends. Implemented
"ox" backend for notifying Open-Xchange via HTTP/json.
+ imap_logout_format supports more variables now, e.g. number of
deleted messages.
+ pop3: Added pop3_delete_type setting (related to pop3_deleted_flag).
+ plugin { fts_enforced=yes } setting now fails body searches unless
it can be done via the full text search engine.
+ Added %{passdb:*} and %{userdb:*} variables to various places
+ auth: Added ":protected" suffix for passdb and userdb fields. If
used, the field doesn't overwrite an existing field.
+ IMAP/POP3 proxy: If a backend server dies, avoid client reconnection
spikes by slowly disconnecting clients over time. This is enabled by
setting login_proxy_max_disconnect_delay=secs passdb extra field.
+ imap: Added new read-only METADATA entries: /private/specialuse,
/shared/comment, /shared/admin
+ imap: If client disconnects in the middle of a command, log how long
the command had been running.
- mdbox: Rebuilding could have caused message's reference count to
overflow the 16bit number in some situations, causing problems when
trying to expunge the duplicates.
- Various search fixes (fts, solr, tika, lib-charset, indexer)
- Various virtual plugin fixes
- Various fixes and optimizations to dsync, imapc and pop3-migration
- imap: Various RFC compliancy and crash fixes to NOTIFY
v2.2.18 2015-05-15 Timo Sirainen <tss@iki.fi>
- director: Login UNIX sockets were normally detected as doveadm or
director ring sockets, causing it to break in existing installations.
- sdbox: When copying a mail in alt storage, place the destination to
alt storage as well.
v2.2.17 2015-05-13 Timo Sirainen <tss@iki.fi>
* Dovecot no longer checks or warns if a mountpoint is removed. This
was causing more trouble than it was worth. Make sure that all the
mountpoints that Dovecot accesses aren't writable by mail processes
when they're unmounted.
* dict server wasn't properly escaping/unescaping data. Fixing this
broke backwards compatibility with data that contains line feeds.
This hopefully affects only very few installations. If you're using
dict to save multiline data (Sieve scripts to SQL), you may be
affected.
* imap: SPECIAL-USE capability is no longer advertised if there are
no special_use flags specified for any mailboxes.
+ lmtp: Added lmtp_hdr_delivery_address setting to specify whether
to include email address in Delivered-To: and Received: headers.
+ Added initial version of full text search library, which includes
language-specific text normalization and filtering. This is still
in development, but it's already possible to use for testing with
fts-lucene and fts-solr.
+ lda, lmtp: deliver_log_format can now include %{delivery_time},
which expands to how many milliseconds it took to deliver the mail.
With LMTP %{session_time} also expands to how many milliseconds the
LMTP session took, not including the delivery time.
+ lmtp proxy: Mail delivery logging includes timing information.
+ imap: Most IMAP commands now include in the tagged reply how many
milliseconds it took to run the command (not counting the time spent
on waiting for the IMAP client to read/write data).
+ director: Implemented director_proxy_maybe passdb extra field to
be able to run director and backend in the same Dovecot instance.
(LMTP doesn't support mixed proxy/non-proxy destinations currently.)
+ doveadm: Added -F <file> parameter to read a list of users from the
given file and run the command for all the users. This is similar to
-A parameter reading the list of users from userdb lookup.
+ Implemented initial Cassandra CQL support as lib-sql backend. It's
only usable as dict backend currently.
+ Added quota-clone plugin to copy current quota usage to a dict.
- auth: If auth_master_user_separator was set, auth process could be
crashed by trying to log in with empty master username.
- imap-login, pop3-login: Fixed crash on handshake failures with new
OpenSSL versions (v1.0.2) when SSLv3 was disabled.
- auth: If one passdb fails allow_nets check, it shouldn't have failed
all the other passdb checks later on.
- imap: Server METADATA couldn't be accessed
- imapc: Fixed \Muted label handling in gmail-migration.
- imapc: Various bugfixes and improvements.
- Trash plugin fixes by Alexei Gradinari
- mbox: Fixed crash/corruption in some situations
v2.2.16 2015-03-12 Timo Sirainen <tss@iki.fi>
* 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.
v2.2.15 2014-10-24 Timo Sirainen <tss@iki.fi>
* Plugins can now print a banner comment in doveconf output
(typically the plugin version)
* Replication plugin now triggers low (instead of high) priority for
mail copying operations.
* IMAP/POP3/ManageSieve proxy: If destination server can't be
connected to, retry connecting once per second up to the value of
proxy_timeout. This allows quick restarts/upgrades on the backend
server without returning login failures.
* Internal passdb lookups (e.g. done by lmtp/doveadm proxy) wasn't
returning failure in some situations where it should have (e.g.
allow_nets mismatch)
* LMTP uses mail_log_prefix now for logging mail deliveries instead of
a hardcoded prefix. The non-delivery log prefix is still hardcoded
though.
+ passdb allow_nets=local matches lookups that don't contain an IP
address (internally done by Dovecot services)
+ Various debug logging and error logging improvements
- Various race condition fixes to LAYOUT=index
- v2.2.14 virtual plugin crashed in some situations
v2.2.14 2014-10-14 Timo Sirainen <tss@iki.fi>
* lmtp: Delivered-To: header no longer contains <> around the email
address. Other MDAs don't have it either.
* "Out of disk space" errors are now treated as temporary errors
(not the same as "Out of disk quota").
* replication plugin: Use replication only for users who have a
non-empty mail_replica setting.
+ lmtp proxy: Log a line about each mail delivery.
+ Added login_source_ips setting. This can be used to set the source IP
address round-robin from a pool of IPs (in case you run out of TCP
ports).
+ Rawlog settings can use tcp:<host>:<port> as the path.
+ virtual plugin: Don't keep more than virtual_max_open_mailboxes
(default 64) number of backend mailboxes open.
+ SSL/TLS compression can be disabled with ssl_options=no_compression
+ acl: Global ACL file now supports "quotes" around patterns.
+ Added last-login plugin to set user's last-login timestamp on login.
+ LDAP auth: Allow passdb credentials lookup also with auth_bind=yes
- IMAP: MODSEQ was sent in FETCH reply even if CONDSTORE/QRESYNC wasn't
enabled. This broke at least old Outlooks.
- passdb static treated missing password field the same as an empty
password field.
- mdbox: Fixed potential infinite looping when scanning a broken
mdbox file.
- imap-login, pop3-login: Fixed potential crashes when client
disconnected unexpectedly.
- imap proxy: The connection was hanging in some usage patterns. This
mainly affected older Outlooks.
- lmtp proxy: The proxy sometimes delivered empty mails in error
situations or potentially delivered truncated mails.
- fts-lucene: If whitespace_chars was set, we may have ended up
indexing some garbage words, growing the index size unnecessarily.
- -c and -i parameters for dovecot/doveadm commands were ignored if
the config socket was readable.
- quota: Quota recalculation didn't include INBOX in some setups.
- Mail headers were sometimes added to dovecot.index.cache in wrong
order. The main problem this caused was with dsync+imapc incremental
syncing when the second sync thought the local mailbox had changed.
- Fixed several race conditions with dovecot.index.cache handling that
may have caused unnecessary "cache is corrupted" errors.
- doveadm backup didn't notice if emails were missing from the middle
of the destination mailbox. Now it deletes and resyncs the mailbox.
- auth: If auth client listed userdb and disconnected before finishing,
the auth worker process got stuck (and eventually all workers could
get used up and requests would start failing).
v2.2.13 2014-05-11 Timo Sirainen <tss@iki.fi>
* 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.)
v2.2.12 2014-02-14 Timo Sirainen <tss@iki.fi>
- pop3 server was crashing in v2.2.11
v2.2.11 2014-02-12 Timo Sirainen <tss@iki.fi>
+ acl plugin: Added an alternative global ACL file that can contain
mailbox patterns. See http://wiki2.dovecot.org/ACL for details.
+ imap proxy: Added proxy_nopipelining passdb setting to work around
other IMAP servers' bugs (MS Exchange 2013 especially).
+ Added %{auth_user}, %{auth_username} and %{auth_domain} variables.
See http://wiki2.dovecot.org/Variables for details.
+ Added support for LZ4 compression.
+ stats: Track also wall clock time for commands.
+ pop3_migration plugin improvements to try harder to match the UIDLs
correctly.
- imap: SEARCH/SORT PARTIAL reponses may have been too large.
- doveadm backup: Fixed assert-crash when syncing mailbox deletion.
v2.2.10 2013-11-25 Timo Sirainen <tss@iki.fi>
+ auth: passdb/userdb dict rewrite to support much more complex
setups. See doc/example-config/dovecot-dict-auth.conf.ext.
The old settings will continue to work.
+ auth: Added userdb result_success/failure/tempfail and skip
settings, similar to passdb's. See
http://wiki2.dovecot.org/UserDatabase
+ imap: Implemented SETQUOTA command for admin user when quota_set is
configured. See http://master.wiki2.dovecot.org/Quota/Configuration
+ quota: Support "*" and "?" wildcards in mailbox names in quota_rules
+ mysql: Added ssl_verify_server_cert=no|yes parameter. This currently
defaults to "no" to make sure nothing breaks, but likely will become
"yes" in Dovecot v2.3.
+ ldap: Added blocking=yes setting to use auth worker processes for
ldap lookups. This is a workaround for now to be able to use multiple
simultaneous LDAP connections.
+ pop3c+dsync performance improvements
- quota-status: quota_grace was ignored
- ldap: Fixed memory leak with auth_bind=yes and without
auth_bind_userdn.
- imap: Don't send HIGHESTMODSEQ anymore on SELECT/EXAMINE when
CONDSTORE/QRESYNC has never before been enabled for the mailbox.
- imap: Fixes to handling mailboxes without permanent modseqs.
(When [NOMODSEQ] is returned by SELECT, mainly with in-memory
indexes.)
- imap: Various fixes to METADATA support.
- stats plugin: Processes that only temporarily dropped privileges
(e.g. indexer-worker) may have been logging errors about not being
able to open /proc/self/io.
v2.2.9 2013-11-25 Timo Sirainen <tss@iki.fi>
+ Full text search indexing can now be done automatically after
saving/copying mails by setting plugin { fts_autoindex=yes }
+ replicator: Added replication_dsync_parameters setting to pass
"doveadm sync" parameters (for controlling what to replicate).
+ Added mail-filter plugin
+ Added liblzma/xz support (zlib_save=xz)
- v2.2.8's improved cache file handling exposed several old bugs
related to fetching mail headers.
- v2.2.7's iostream handling changes were causing some connections
to be disconnected before flushing their output (e.g. POP3 logout
message wasn't being sent)
v2.2.8 2013-11-19 Timo Sirainen <tss@iki.fi>
+ Mail cache lookups work for the mail being saved. This improves
performance by avoiding the need to parse the mail multiple times
when using some plugins (e.g. mail_log).
+ Mail cache works for recently cached data also with in-memory
indexes.
+ imapc: Many performance improvements, especially when working with
dsync. Also added imapc_feature=fetch-headers which allows using
FETCH BODY.PEEK[HEADER.FIELDS (..)] to avoid reading the entire
header.
+ mail_location = ..:FULLDIRNAME=dbox-Mails is the same as
:DIRNAME=dbox-Mails, but it will also be used for
:INDEX and :CONTROL directories. (It should have worked this way
from the beginning, but can't be changed anymore without breaking
existing installations).
- Fixed infinite loop in message parsing if message ends with
"--boundary" and CR (without LF). Messages saved via SMTP/LMTP can't
trigger this, because messages must end with an "LF.". A user could
trigger this for him/herself though.
- lmtp: Client was sometimes disconnected before all the output was
sent to it.
- imap_zlib plugin caused crashes during client disconnection in
v2.2.7
- replicator: Database wasn't being exported to disk every 15 minutes
as it should have. Instead it was being imported, causing "doveadm
replicator remove" commands to not work very well.
v2.2.7 2013-11-03 Timo Sirainen <tss@iki.fi>
* Some usage of passdb checkpassword could have been exploitable by
local users. You may need to modify your setup to keep it working.
See http://wiki2.dovecot.org/AuthDatabase/CheckPassword#Security
+ auth: Added ability to truncate values logged by
auth_verbose_passwords (see 10-logging.conf comment)
+ mdbox: Added "mdbox_deleted" storage, which can be used to access
messages with refcount=0. For example: doveadm import
mdbox_deleted:~/mdbox "" mailbox inbox subject oops
+ ssl-params: Added ssl_dh_parameters_length setting.
- master process was doing a hostname.domain lookup for each created
process, which may have caused a lot of unnecessary DNS lookups.
- dsync: Syncing over 100 messages at once caused problems in some
situations, causing messages to get new UIDs.
- fts-solr: Different Solr hosts for different users didn't work.
v2.2.6 2013-09-25 Timo Sirainen <tss@iki.fi>
* acl: If public/shared namespace has a shared subscriptions file for
all users, don't list subscription entries that are not visible to
the user accessing it.
+ doveadm: Added "auth lookup" command for doing passdb lookup.
+ login_log_format_elements: Added %{orig_user}, %{orig_username}
and %{orig_domain} expanding to the username exactly as sent by
the client (before any changes auth process made).
+ Added ssl_prefer_server_ciphers setting.
+ auth_verbose_passwords: Log the password also for unknown users.
+ Linux: Added optional support for SO_REUSEPORT with
inet_listener { reuse_port=yes }
- director: v2.2.5 changes caused "SYNC lost" errors
- dsync: Many fixes and error handling improvements
- doveadm -A: Don't waste CPU by doing a separate config lookup
for each user
- Long-running ssl-params process no longer prevents Dovecot restart
- mbox: Fixed mailbox_list_index=yes to work correctly
v2.2.5 2013-08-05 Timo Sirainen <tss@iki.fi>
+ SSL: Added support for ECDH/ECDHE cipher suites (by David Hicks)
+ Added some missing man pages (by Pascal Volk)
+ quota-status: Added quota_status_toolarge setting (by Ulrich Zehl)
- director: Users near expiration could have been redirected to
different servers at the same time.
- pop3: Avoid assert-crash if client disconnects during LIST.
- mdbox: Corrupted index header still wasn't automatically fixed.
- dsync: Various fixes to work better with imapc and pop3c storages.
- ldap: sasl_bind=yes caused crashes, because Dovecot's lib-sasl
symbols conflicted with Cyrus SASL library.
- imap: Various error handling fixes to CATENATE. (Found using
Apple's stress test script.)
v2.2.4 2013-06-25 Timo Sirainen <tss@iki.fi>
+ doveadm: Added "flags" command to modify message flags.
+ doveadm: Added "deduplicate" command to expunge message duplicates.
+ dsync: Show the state in process title with verbose_proctitle=yes.
- imap/pop3 proxy: Master user logins were broken in v2.2.3
- sdbox/mdbox: A corrupted index header with wrong size was never
automatically fixed in v2.2.3.
- mbox: Fixed assert-crashes related to locking.
v2.2.3 2013-06-17 Timo Sirainen <tss@iki.fi>
* LDA/LMTP: If new mail delivery first fails with "temporary
failure", tempfail the whole delivery instead of falling back to
delivering the mail to INBOX. (Requires new Pigeonhole as well.)
* doc/solr-schema.xml was updated to Solr v4.x format. Also the
default analyzers were changed, hopefully for the better. Note that
the schema can't be changed for existing Solr indexes without
rebuilding everything.
* Solr plugin does only soft commits from now on. You'll need a
cronjob to send a hard commit command to it every few minutes.
+ Added %N modifier for variables as %H-like "new hash"
+ sdbox, mdbox: Support POP3 message order field (for migrations)
+ Added mailbox { driver } to specify a different mail storage
format for the mailbox than generally used within the namespace.
+ Added initial lib-sasl library for client side SASL support.
Currently supports only PLAIN, LOGIN and plugins. Used currently
by IMAP and POP3 proxying when authenticating to the remote server.
- IMAP: If subject contained only whitespace, Dovecot returned an
ENVELOPE reply with a huge literal value, effectively causing the
IMAP client to wait for more data forever.
- IMAP: Various URLAUTH fixes.
- imapc: Various bugfixes and improvements
- pop3c: Various fixes to make it work in dsync (without imapc)
- dsync: Fixes to syncing subscriptions. Fixes to syncing mailbox
renames.
v2.2.2 2013-05-20 Timo Sirainen <tss@iki.fi>
+ zlib: Keep the last mail cached uncompressed in a temp file. This
fixes performance when doing small partial fetches from a large
mail.
+ acl: If plugin { acl_defaults_from_inbox = yes } is set, get the
default ACLs for private and shared namespaces from the user's INBOX.
(This probably will become default in v2.3.)
+ pop3: Added pop3_deleted_flag setting to switch POP3 deletions to
only hide the messages from POP3, but still be visible via IMAP.
- ACL plugin: Mailbox creation wasn't actually checking any ACLs
and always succeeded (due to some v2.2 API changes). The created
mailbox couldn't have been accessed though, so this couldn't have
caused any data leak.
- IMAP: Various URLAUTH fixes.
- IMAP: Fixed a hang with invalid APPEND parameters.
- IMAP LIST-EXTENDED: INBOX was never listed with \Subscribed flag.
- mailbox_list_index=yes still caused crashes.
- maildir: Fixed a crash after dovecot-keywords file was re-read.
- maildir: If files had reappeared unexpectedly to a Maildir, they
were ignored until index files were deleted.
- Maildir: Fixed handling over 26 keywords in a mailbox.
- Maildir++: Fixed mail_shared_explicit_inbox=no
- namespace { prefix="" list=no } was listing mailboxes.
- imap/pop3-login proxying: Fixed a crash if TCP connection succeeded,
but the remote login timed out.
- Case-insensitive search/sort didn't work correctly for all unicode
characters, as specified by i;unicode-casemap comparator. If full
text search indexes were used, they need to be rebuilt for old mails
to be handled correctly. (This bug has existed always in Dovecot.)
v2.2.1 2013-04-19 Timo Sirainen <tss@iki.fi>
- mailbox_list_index=yes was broken.
- LAYOUT=index didn't list subscriptions.
- auth: Multiple master passdbs didn't work.
- Message parsing (e.g. during search) crashed when multipart message
didn't actually contain any parts.
v2.2.0 2013-04-11 Timo Sirainen <tss@iki.fi>
* When creating home directories, the permissions are copied from the
parent directory if it has setgid-bit set. For full details, see
http://wiki2.dovecot.org/SharedMailboxes/Permissions
* "doveadm auth" command was renamed to "doveadm auth test"
* IMAP: ID command now advertises server name as Dovecot by default.
It was already trivial to guess this from command replies.
* dovecot.index.cache files can be safely accessed only by v2.1.11+.
Older versions may think they're corrupted and delete them.
* LDA/LMTP: If saving a mail brings user from under quota to over
quota, allow it based on quota_grace setting (default: 10%
above quota limit).
* pop3_lock_session=yes now uses a POP3-only dovecot-pop3-session.lock
file instead of actually locking the mailbox (and causing
IMAP/LDA/LMTP to wait for the POP3 session to close).
* mail_shared_explicit_inbox setting's default switched to "no".
* ssl_client_ca_dir setting replaced imapc_ssl_ca_dir and
pop3c_ssl_ca_dir settings.
+ Implemented IMAP MOVE and BINARY extensions
+ Implemented IMAP CATENATE, URLAUTH and URLAUTH=BINARY extensions
(by Stephan Bosch).
+ Implemented IMAP NOTIFY extension. Requires mailbox_list_index=yes
to be enabled.
+ Redesigned and rewritten dsync. The new design makes the syncing
faster, more reliable and more featureful. The new dsync protocol
isn't backwards compatible with old dsync versions (but is designed
to be forwards compatible with future versions).
+ All mailbox formats now support per-user message flags for shared
mailboxes by using a private index. It can be enabled by adding
:INDEXPVT=<path> to mail location. This should be used instead of
:INDEX also for Maildir/mbox to improve performance.
+ Improved mailbox list indexes. They should be usable now, although
still disabled by default.
+ Added LAYOUT=index. The mailbox directories are created using their
GUIDs in the filesystem, while the actual GUID <-> name mapping
exists only in the index.
+ LMTP proxy: Implemented XCLIENT extension for passing remote IP
address through proxy.
v2.2.rc7 2013-04-10 Timo Sirainen <tss@iki.fi>
* checkpasword: AUTH_PASSWORD environment is no longer set.
* Running dsync no longer triggers quota warnings.
+ dsync: Commit large transactions every 100 new messages, so if a
large sync crashes it doesn't have to be restarted from the
beginning.
- replicator: doveadm commands and user list export may have skipped
some users.
- Various fixes to mailbox_list_index=yes
v2.2.rc6 2013-04-08 Timo Sirainen <tss@iki.fi>
* replicator: Don't create replicator-doveadm socket by default.
This way doveadm replicator commands don't accidentally start an
unconfigured replicator server.
+ replicator: Have remote dsync notify the remote replicator that
a user was just synced. This way the replicators are kept roughly
in sync.
+ Added ssl_client_ca_file to specify the CA certs as a file. This is
needed (instead of ssl_client_ca_dir) in RedHat-based systems.
+ Added "doveadm fs" commands, mainly to debug lib-fs backends.
- Mailbox list indexes weren't using proper file permissions based
on the root directory.
v2.2.rc5 2013-04-05 Timo Sirainen <tss@iki.fi>
- A few small random fixes
v2.2.rc4 2013-04-05 Timo Sirainen <tss@iki.fi>
+ Added "doveadm replicator" commands
- Larger changes to lib-http and lib-ssl-iostream error handling.
The API caller can now get the exact error message as a string.
- Various bugfixes to LDAP changes in rc3
v2.2.rc3 2013-03-20 Timo Sirainen <tss@iki.fi>
+ dsync: Support syncing ACLs (and Sieve scripts with Pigeonhole)
+ ldap: Support subqueries and value pointers, see
http://wiki2.dovecot.org/AuthDatabase/LDAP/Userdb
+ postmaster_address setting: Expand %d to recipient's domain
- Fixed a crash when decoding quoted-printable content.
- dsync: Various bugfixes
v2.2.rc2 2013-02-15 Timo Sirainen <tss@iki.fi>
- rc1 wasn't actually usable in most configurations.
v2.2.rc1 2013-02-15 Timo Sirainen <tss@iki.fi>
* See v2.2.0 notes
v2.1.13 2013-01-06 Timo Sirainen <tss@iki.fi>
- Some fixes to cache file changes in v2.1.11.
- fts-solr: Overlong UTF8 sequences in mails were rejected by Solr and
caused the mails to not be indexed.
- virtual storage: Sorting mailbox by from/to/cc/bcc didn't work.
v2.1.12 2012-11-30 Timo Sirainen <tss@iki.fi>
- dovecot-config in v2.1.11 caused build problems with Pigeonhole
v2.1.11 2012-11-29 Timo Sirainen <tss@iki.fi>
* lmtp/lda: dovecot.index.cache file is no longer fully mapped to
memory, allowing mail deliveries to work even if the file is huge.
* auth: userdb passwd lookups are now done by auth worker processes
instead of auth master process (as it was documented, but
accidentally didn't work that way).
+ lmtp: lmtp_rcpt_check_quota=yes setting checks quota on RCPT TO.
- lmtp: After successful proxying RCPT TO, the next one to a
nonexistent user gave tempfail error instead of "user not found".
- lmtp proxy: Fixed hanging if remote server was down.
- imap: Fixed crash when SEARCH contained multiple KEYWORD parameters.
- doveadm: Various fixes to handling doveadm-server connections.
- -i <instance name> parameter for Dovecot tools didn't work correctly.
- director was somewhat broken in v2.1.10. This version also includes
various reliability enhancements.
- auth: passdb imap was broken in v2.1.10.
v2.1.10 2012-09-18 Timo Sirainen <tss@iki.fi>
+ imap: Implemented THREAD=ORDEREDSUBJECT extension.
+ Added "doveadm exec" command to easily execute commands from
libexec_dir, e.g. "doveadm exec imap -u user@domain"
+ Added "doveadm copy" command.
+ doveadm copy/move: Added optional user parameter to specify the
source username. This allows easily copying mails between different
users.
+ Added namespace { disabled } setting to quickly enable/disable
namespaces. This is especially useful when its value is returned by
userdb.
+ Added mailbox_alias plugin. It allows creating mailbox aliases using
symlinks.
+ imapc storage: Added imapc_max_idle_time setting to force activity
on connection.
+ fts-solr: Expunging multiple messages is now faster.
- director: In some conditions director may have disconnected from
another director (without logging about it), thinking it was sending
invalid data.
- imap: Various fixes to listing mailboxes.
- pop3-migration plugin: Avoid disconnection from POP3 server due
to idling.
- login processes crashed if there were a lot of local {} or remote {}
settings blocks.
v2.1.9 2012-08-01 Timo Sirainen <tss@iki.fi>
* mail-log plugin: Log mailbox names with UTF-8 everywhere
(instead of mUTF-7 in some places and UTF-8 in other places)
* director: Changed director_username_hash setting's default from %u
to %Lu (= lowercase usernames). This doesn't break any existing
installations, but might fix some of them.
+ doveadm: Added "auth cache flush [<username>]" command.
+ Implemented dict passdb/userdb
+ Implemented Redis and memcached dict backends, which can be used as
auth backends. Redis can also be used as dict-quota backend.
+ Added plugin { quota_ignore_save_errors=yes } setting to allow saving
a mail when quota lookup fails with temporary failure.
- Full text search indexing might have failed for some messages,
always causing indexer-worker process to run out of memory.
- fts-lucene: Fixed handling SEARCH HEADER FROM/TO/SUBJECT/CC/BCC when
the header wasn't lowercased.
- fts-squat: Fixed crash when searching a virtual mailbox.
- pop3: Fixed assert crash when doing UIDL on empty mailbox on some
setups.
- auth: GSSAPI RFC compliancy and error handling fixes.
- Various fixes related to handling shared namespaces
v2.1.8 2012-07-03 Timo Sirainen <tss@iki.fi>
+ pop3c: Added pop3c_master_user setting.
- imap: Mailbox names were accidentally sent as UTF-8 instead of mUTF-7
in previous v2.1.x releases for STATUS, MYRIGHTS and GETQUOTAROOT
commands.
- lmtp proxy: Don't timeout connections too early when mail has a lot
of RCPT TOs.
- director: Don't crash if the director is working alone.
- shared mailboxes: Avoid doing "@domain" userdb lookups.
- doveadm: Fixed crash with proxying some commands.
- fts-squat: Fixed handling multiple SEARCH parameters.
- imapc: Fixed a crash when message had more than 8 keywords.
- imapc: Don't crash on APPEND/COPY if server doesn't support UIDPLUS.
v2.1.7 2012-05-29 Timo Sirainen <tss@iki.fi>
* LDAP: Compatibility fix for v2.0: ldap: If attributes contain
ldapAttr=key=template%$ and ldapAttr doesn't exist, skip the key
instead of using "template" value with empty %$ part for the key.
+ pop3: Added pop3_uidl_duplicates setting for changing the behavior
for duplicate UIDLs.
+ director: Added "doveadm director ring remove" command.
- director: Don't crash with quickly disconnecting incoming director
connections.
- mdbox: If mail was originally saved to non-INBOX, and namespace
prefix is non-empty, don't assert-crash when rebuilding indexes.
- sdbox: Don't use more fds than necessary when copying mails.
- auth: Fixed crash with DIGEST-MD5 when attempting to do master user
login without master passdbs.
- Several fixes to mail_shared_explicit_inbox=no
- imapc: Use imapc_list_prefix also for listing subscriptions.
v2.1.6 2012-05-07 Timo Sirainen <tss@iki.fi>
* Session ID is now included by default in auth and login process
log lines. It can be added to mail processes also by adding
%{session} to mail_log_prefix.
+ Added ssl_require_crl setting, which specifies if CRL check must
be successful when verifying client certificates.
+ Added mail_shared_explicit_inbox setting to specify if a shared INBOX
should be accessible as "shared/$user" or "shared/$user/INBOX".
- v2.1.5: Using "~/" as mail_location or elsewhere failed to actually
expand it to home directory.
- dbox: Fixed potential assert-crash when reading dbox files.
- trash plugin: Fixed behavior when quota is already over limit.
- mail_log plugin: Logging "copy" event didn't work.
- Proxying to backend server with SSL: Verifying server certificate
name always failed, because it was compared to an IP address.
v2.1.5 2012-04-23 Timo Sirainen <tss@iki.fi>
* IMAP: When neither the session nor the mailbox has modseq tracking
enabled, return the mailbox as having NOMODSEQ in SELECT/EXAMINE
reply. Old versions in this situation always simply returned
HIGHESTMODSEQ as 1, which could have broken some clients.
+ dict file: Added optional fcntl/flock locking (default is dotlock)
+ fts-solr: doveadm fts rescan now resets indexes, which allows
reindexing mails. (This isn't a full rescan implementation like
fts-lucene has.)
+ doveadm expunge: Added -d parameter to delete mailbox if it's
empty after expunging.
- IMAP: Several fixes related to mailbox listing in some configs
- director: A lot of fixes and performance improvements
- v2.1.4 didn't work without a mail home directory set
- mbox: Deleting a mailbox didn't delete its index files.
- pop3c: TOP command was sent incorrectly
- trash plugin didn't work properly
- LMTP: Don't add a duplicate Return-Path: header when proxying.
- listescape: Don't unescape namespace prefixes.
v2.1.4 2012-04-09 Timo Sirainen <tss@iki.fi>
+ Added mail_temp_scan_interval setting and changed its default value
from 8 hours to 1 week.
+ Added pop3-migration plugin for easily doing a transparent IMAP+POP3
migration to Dovecot: http://wiki2.dovecot.org/Migration/Dsync
+ doveadm user: Added -m parameter to show some of the mail settings.
- Proxying SSL connections crashed in v2.1.[23]
- fts-solr: Indexing mail bodies was broken.
- director: Several changes to significantly improve error handling
- doveadm import didn't import messages' flags
- mail_full_filesystem_access=yes was broken
- Make sure IMAP clients can't create directories when accessing
nonexistent users' mailboxes via shared namespace.
- Dovecot auth clients authenticating via TCP socket could have failed
with bogus "PID already in use" errors.
v2.1.3 2012-03-16 Timo Sirainen <tss@iki.fi>
- mdbox was broken in v2.1.2
v2.1.2 2012-03-15 Timo Sirainen <tss@iki.fi>
+ Initial implementation of dsync-based replication. For now this
should be used only on non-critical systems.
+ Proxying: POP3 now supports sending remote IP+port from proxy to
backend server via Dovecot-specific XCLIENT extension.
+ Proxying: proxy_maybe=yes with host=<hostname> (instead of IP)
works now properly.
+ Proxying: Added auth_proxy_self setting
+ Proxying: Added proxy_always extra field (see wiki docs)
+ Added director_username_hash setting to specify what part of the
username is hashed. This can be used to implement per-domain
backends (which allows safely accessing shared mailboxes within
domain).
+ Added a "session ID" string for imap/pop3 connections, available
in %{session} variable. The session ID passes through Dovecot
IMAP/POP3 proxying to backend server. The same session ID is can be
reused after a long time (currently a bit under 9 years).
+ passdb checkpassword: Support "credentials lookups" (for
non-plaintext auth and for lmtp_proxy lookups)
+ fts: Added fts_index_timeout setting to abort search if indexing
hasn't finished by then (default is to wait forever).
- doveadm sync: If mailbox was expunged empty, messages may have
become back instead of also being expunged in the other side.
- director: If user logged into two directors while near user
expiration, the directors might have redirected the user to two
different backends.
- imap_id_* settings were ignored before login.
- Several fixes to mailbox_list_index=yes
- Previous v2.1.x didn't log all messages at shutdown.
- mbox: Fixed accessing Dovecot v1.x mbox index files without errors.
v2.1.1 2012-02-23 Timo Sirainen <tss@iki.fi>
+ dsync: If message with same GUID is saved multiple times in session,
copy it instead of re-saving.
- acl plugin + autocreated mailboxes crashed when listing mailboxes
- doveadm force-resync: Don't skip autocreated mailboxes (especially
INBOX).
- If process runs out of fds, stop listening for new connections only
temporarily, not permanently (avoids hangs with process_limit=1
services)
- auth: passdb imap crashed for non-login authentication (e.g. smtp).
v2.1.0 2012-02-16 Timo Sirainen <tss@iki.fi>
* Plugins now use UTF-8 mailbox names rather than mUTF-7:
acl, autocreate, expire, trash, virtual
* auth_username_format default changed to %Lu. If you really want
case sensitive usernames, set it back to empty.
* Solr full text search backend changed to use mailbox GUIDs instead of
mailbox names, requiring reindexing everything. solr_old backend can
be used with old indexes to avoid reindexing, but it doesn't support
some newer features.
* Expire plugin: Only go through users listed by userdb iteration.
Delete dict rows for nonexistent users, unless
expire_keep_nonexistent_users=yes.
* Temporary authentication failures sent to IMAP/POP3 clients
now includes the server's hostname and timestamp. This makes it
easier to find the error message from logs.
* dsync was merged into doveadm. There is still "dsync" symlink
pointing to "doveadm", which you can use the old way for now.
The preferred ways to run dsync are "doveadm sync" (for old "dsync
mirror") and "doveadm backup".
+ imapc (= IMAP client) storage allows using a remote IMAP server to
be used as storage. This allows using Dovecot as a smart (caching)
proxy or using dsync to do migration from remote IMAP server.
+ Mailbox indexing via queuing indexer service (required for Lucene)
+ Lucene full text search (FTS) backend rewritten with support for
different languages
+ FTS finally supports "OR" search operation
+ FTS supports indexing attachments via external programs
+ IMAP FUZZY extension, supported by Lucene and Solr FTS backends
+ IMAP SPECIAL-USE extension to describe mailboxes
+ Mailbox list indexes
+ Statistics tracking via stats service. Exported via doveadm stats.
+ Autocreate plugin creates/subscribes mailboxes physically only when
the mailbox is opened for the first time. Mailbox listing shows the
autocreated mailboxes even if they don't physically exist.
+ Password and user databases now support default_fields and
override_fields settings to specify template defaults/overrides.
+ SCRAM-SHA-1 authentication mechanism by Florian Zeitz
+ LDAP: Allow building passdb/userdb extra fields from multiple LDAP
attributes by using %{ldap:attributeName} variables in the template.
+ Improved multi-instance support: Track automatically which instances
are started up and manage the list with doveadm instance commands.
All Dovecot commands now support -i <instance_name> parameter to
select the instance (instead of having to use -c <config path>).
See instance_name setting.
+ auth: Implemented support for Postfix's "TCP map" sockets for
user existence lookups.
- listescape plugin works perfectly now
v2.1.rc7 2012-02-15 Timo Sirainen <tss@iki.fi>
+ Added ignore_on_failure setting for namespaces. If namespace
initialization fails with this enabled (e.g. permission denied),
the namespace is silently skipped for the user.
v2.1.rc6 2012-02-12 Timo Sirainen <tss@iki.fi>
* Added automatic mountpoint tracking and doveadm mount commands to
manage the list. If a mountpoint is unmounted, error handling is
done by assuming that the files are only temporarily lost. This is
especially helpful if dbox alt storage becomes unmounted.
* Expire plugin: Only go through users listed by userdb iteration.
Delete dict rows for nonexistent users, unless
expire_keep_nonexistent_users=yes.
* LDA's out-of-quota and Sieve's reject mails now include DSN report
instead of MDN report.
+ LDAP: Allow building passdb/userdb extra fields from multiple LDAP
attributes by using %{ldap:attributeName} variables in the template.
+ doveadm log errors shows the last 1000 warnings and errors since
Dovecot was started.
+ Improved multi-instance support: Track automatically which instances
are started up and manage the list with doveadm instance commands.
All Dovecot commands now support -i <instance_name> parameter to
select the instance (instead of having to use -c <config path>).
See instance_name setting.
+ doveadm mailbox delete: Added -r parameter to delete recursively
+ doveadm acl: Added "add" and "remove" commands.
+ Updated to Unicode v6.1
- mdbox: When saving to alt storage, Dovecot didn't append as much
data to m.* files as it could have.
- dbox: Fixed error handling when saving failed or was aborted
- IMAP: Using COMPRESS extension may have caused assert-crashes
- IMAP: THREAD REFS sometimes returned invalid (0) nodes.
- dsync: Fixed handling non-ASCII characters in mailbox names.
v2.1.rc5 2012-01-26 Timo Sirainen <tss@iki.fi>
* Temporary authentication failures sent to IMAP/POP3 clients
now includes the server's hostname and timestamp. This makes it
easier to find the error message from logs.
+ auth: Implemented support for Postfix's "TCP map" sockets for
user existence lookups.
+ auth: Idling auth worker processes are now stopped. This reduces
error messages about MySQL disconnections.
- director: With >2 directors ring syncing might have stalled during
director connect/disconnect, causing logins to fail.
- LMTP client/proxy: Fixed potential hanging when sending (big) mails
- Compressed mails with external attachments (dbox + SIS + zlib) failed
sometimes with bogus "cached message size wrong" errors.
v2.1.rc4 was never actually released, but was accidentally tagged in hg.
v2.1.rc3 2012-01-06 Timo Sirainen <tss@iki.fi>
- Added missing file that prevented v2.1.rc2 from compiling..
v2.1.rc2 2012-01-06 Timo Sirainen <tss@iki.fi>
* dsync was merged into doveadm. There is still "dsync" symlink
pointing to "doveadm", which you can use the old way for now.
The preferred ways to run dsync are "doveadm sync" (for old "dsync
mirror") and "doveadm backup".
+ IMAP SPECIAL-USE extension to describe mailboxes
+ Added mailbox {} sections, which deprecate autocreate plugin
+ lib-fs: Added "mode" parameter to "posix" backend to specify mode
for created files/dirs (for mail_attachment_dir).
+ inet_listener names are now used to figure out what type the socket
is when useful. For example naming service auth { inet_listener } to
auth-client vs. auth-userdb has different behavior.
+ Added pop3c (= POP3 client) storage backend.
- LMTP proxying code was simplified, hopefully fixing its problems.
- dsync: Don't remove user's subscriptions for subscriptions=no
namespaces.
v2.1.rc1 2011-11-24 Timo Sirainen <tss@iki.fi>