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* VSZ limits weren't being enforced for any processes. On server with
large mailboxes you may now see errors about it if the limits aren't
high enough. To fix them, either increase individual service {
vsz_limit } values or simply increase the default_vsz_limit setting.
* Proxying: If using ssl=yes or starttls=yes with a hostname (not IP)
as proxy destination, require that the certificate matches the given
hostname.
* LMTP: Changed default client_limit to 1. This should improve LMTP
throughput with default settings.
* dsync: Quota is no longer enforced (i.e. dsync can't fail because
user is over quota).
+ Added "auto" mail storage driver, which can be used to autodetect
mailbox location and format. This behavior is already the default
for empty mail_location setting, so this change is mainly useful for
shared namespace's location setting.
+ checkpassword: Export all auth %variables to AUTH_* environment.
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+ doveadm altmove: Added -r parameter to move mails back to primary storage.
- v2.0.14: Index reading could have eaten a lot of memory in some situations
- doveadm index no longer affects future caching decisions
- mbox: Fixed crash during mail delivery when mailbox didn't yet have GUID
assigned to it.
- zlib+mbox: Fetching last message from compressed mailboxes crashed.
- lib-sql: Fixed load balancing and error handling when multiple hosts are
used.
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* doveadm: Added support for running mail commands by proxying to
another doveadm server.
* Added "doveadm proxy list" and "doveadm proxy kick" commands to
list/kick proxy connections (via a new "ipc" service).
* Added "doveadm director move" to assign user from one server to
another, killing any existing connections.
* Added "doveadm director ring status" command.
* userdb extra fields can now return name+=value to append to an
existing name, e.g. "mail_plugins+= quota".
* script-login attempted an unnecessary config lookup, which usually
failed with "Permission denied".
* lmtp: Fixed parsing quoted strings with spaces as local-part for
MAIL FROM and RCPT TO.
* imap: FETCH BODY[HEADER.FIELDS (..)] may have crashed or not
returned all data sometimes.
* ldap: Fixed random assert-crashing with with sasl_bind=yes.
* Fixes to handling mail chroots
* Fixed renaming mailboxes under different parent with FS layout when
using separate ALT, INDEX or CONTROL paths.
* zlib: Fixed reading concatenated .gz files.
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* Added "doveadm index" command to add unindexed messages into
index/cache. If full text search is enabled, it also adds unindexed
messages to the fts database.
* added "doveadm director dump" command.
* pop3: Added support for showing messages in "POP3 order", which can
be different from IMAP message order. This can be useful for
migrations from other servers. Implemented it for Maildir as 'O'
field in dovecot-uidlist.
* doveconf: Fixed a wrong "subsection has ssl=yes" warning.
* mdbox purge: Fixed wrong warning about corrupted extrefs.
* sdbox: INBOX GUID changed when INBOX was autocreated, leading to
trouble with dsync.
* script-login binary wasn't actually dropping privileges to the
user/group/chroot specified by its service settings.
* Fixed potential crashes and other problems when parsing header names
that contained NUL characters.
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* doveadm: Added "move" command for moving mails between mailboxes.
* virtual: Added support for "+mailbox" entries that clear \Recent
flag from messages (default is to preserve them).
* dbox: Fixes to handling external attachments
* dsync: More fixes to avoid hanging with remote syncs
* dsync: Many other syncing/correctness fixes
* doveconf: v2.0.10 and v2.0.11 didn't output plugin {} section right
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* dotlock_use_excl setting's default was accidentally "no" in all
v2.0.x releases, instead of "yes" as in v1.1 and v1.2. Changed it
back to "yes".
- v2.0.10: LDAP support was broken
- v2.0.10: dsyncing to remote often hanged (timed out in 15 mins)
Chamges 2.0.10:
* LMTP: For user+detail at domain deliveries, the +detail is again written
to Delivered-To: header.
* Skip auth penalty checks from IPs in login_trusted_networks.
+ Added import_environment setting.
+ Added submission_host setting to send mails via SMTP instead of
via sendmail binary.
+ Added doveadm acl get/set/delete commands for ACL manipulation,
similar to how IMAP ACL extension works.
+ Added doveadm acl debug command to help debug and fix problems
with why shared mailboxes aren't working as expected.
- IMAP: Fixed hangs with COMPRESS extension
- IMAP: Fixed a hang when trying to COPY to a nonexistent mailbox.
- IMAP: Fixed hang/crash with SEARCHRES + pipelining $.
- IMAP: Fixed assert-crash if IDLE+DONE is sent in same TCP packet.
- LMTP: Fixed sending multiple messages in a session.
- doveadm: Fixed giving parameters to mail commands.
- doveadm import: Settings weren't correctly used for the
import storage.
- dsync: Fixed somewhat random failures with saving messages to
remote dsync.
- v2.0.9: Config reload didn't notify running processes with
shutdown_clients=no, so they could have kept serving new clients
with old settings.
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a hang when trying to COPY to a non existent mailbox via IMAP.
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* Linux: Fixed a high system CPU usage / high context switch count
performance problem
* Maildir: Avoid unnecessarily reading dovecot-uidlist while opening
mailbox.
* Maildir: Fixed renaming child mailboxes when namespace had a prefix.
* mdbox: Don't leave partially written messages to mdbox files when
aborting saving.
* Fixed master user logins when using userdb prefetch
* lda: Fixed a crash when trying to send "out of quota" reply
* lmtp: If delivering duplicate messages to same user's INBOX,
create different GUIDs for them. This helps to avoid duplicate
POP3 UIDLs when pop3_uidl_format=%g.
* virtual storage: Fixed saving multiple mails in a transaction
(e.g. copy multiple messages).
* dsync: Saved messages' save-date was set to 1970-01-01.
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* Services' default vsz_limits weren't being enforced correctly in
earlier v2.0 releases. Now that they are enforced, you might notice
that the default limits are too low and you need to increase them.
This problem will show up in logs as "out of memory" errors.
See default_vsz_limit and service { vsz_limit } settings.
* LMTP: In earlier versions if mail was delivered to user+detail@domain
address, LMTP server always attempted to deliver the mail to mailbox
named "detail". This was rather unintentional and shouldn't have been
the default. lmtp_save_to_detail_mailbox=yes setting now preserves
this behavior (default is no).
+ Added systemd support (configure --with-systemdsystemunitdir).
Based on patch by Christophe Fergeau.
+ Replaced broken mbox-snarf plugin with a new more generic snarf
plugin.
- dbox: Fixes to handling external mail attachments
- verbose_proctitle=yes didn't work for all processes in v2.0.7
- imap, pop3: When service { client_count } was larger than 1, the
log messages didn't use the correct prefix. Last logged in user's
prefix was always used, regardless of what user's session actually
logged it. Now the proper log prefix is always used.
- MySQL: Only the first specified host was ever used
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dovecot2-pigonhole package. Back out the changes related to this.
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* master: default_process_limit wasn't actually used anywhere,
rather the default was unlimited. Now that it is enforced, you might
notice that the default limit is too low and you need to increase it.
Dovecot logs a warning when this happens.
* mail-log plugin: Log mailbox name as virtual name rather than
physical name (e.g. namespace prefix is included in the name)
+ doveadm dump: Added imapzlib type to uncompress IMAP's
COMPRESS DEFLATE I/O traffic (e.g. from rawlog).
- IMAP: Fixed LIST-STATUS when listing subscriptions with
subscriptions=no namespaces.
- IMAP: Fixed SELECT QRESYNC not to crash on mailbox close if a lot of
changes were being sent.
- quota: Don't count virtual mailboxes in quota
- doveadm expunge didn't always actually do the physical expunging
- Fixed some index reading optimizations introduced by v2.0.5.
- LMTP proxying fixes
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dovecot-sieve option (managesieve support is now included with sieve).
Create additional "dovenull" user for login processes. Add MESSAGE
with upgrade notes. Grab maintainership.
Major changes since 1.2:
* Dovecot uses two system users for internal purposes now by default:
dovenull and dovecot. You need to create the dovenull user or change
default_login_user setting.
* Global ACLs are now looked up using namespace prefixes. For example
if you previously had INBOX. namespace prefix and a global ACL for
"INBOX.Sent", it's now looked up from "INBOX.Sent" file instead of
"Sent" as before.
* Maildir: File permissions are no longer based on dovecot-shared file,
but the mailbox directory.
+ Redesigned master process. It's now more modular and there is less
code running as root.
+ Configuration supports now per-local/remote ip/network settings.
+ dsync utility does a two-way mailbox synchronization.
+ LMTP server and proxying.
+ Added mdbox (multi-dbox) mail storage backend.
+ doveadm utility can be used to do all kinds of administration
functions. Old dovecotpw and *view utilities now exist in its
subcommands.
+ imap and pop3 processes can now handle multiple connections.
+ IMAP: COMPRESS=DEFLATE is supported by imap_zlib plugin
+ director service helps NFS installations to redirect users always
to same server to avoid corruption
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written with security primarily in mind. Dovecot is an excellent choice for both
small and large installations. It's fast, simple to set up, requires no special
administration and it uses very little memory.
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