- dovecot - dovecot.org

[Dovecot] Upgrading from 2.0.x to 2.1.x
by Nikolaos Milas 16 Mar '12

16 Mar '12

Hi, A quick question: Are there any incompatibilities in config settings among versions 2.0.x and 2.1.x (and subsequently v2.2.x)? That is, upgrading Dovecot 2.0.x to 2.1.x software, will also require changes of any config settings (as upgrading from v1.x to 2.0.x did)? Thanks, Nick

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[Dovecot] Lack of external documentation?
by Steve Campbell 16 Mar '12

16 Mar '12

Firstly, this isn't meant to be critical, and I realize the subject line probably suggest criticism, so... I was sort of forced into using dovecot as my imap/pop server due to upgrading 3 versions of OS on my mail servers. So far, that's not bad. What surprises me is that one of the first things I usually do whenever I start using different software is to purchase a book that seems to suit me. Searching all of the common places like amazon, ebay, etc for manuals turned up little to nothing on dovecot. I'm wondering why and is this so new that people just haven't written books about it yet? The one thing I'm a little critical of, though, is that trying to make heads or tails of dovecot by following the online documentation is a little problematic. I'm constantly jumping to another page and then back to the original page, and for the most part, I just don't know enough about it all yet to know what I'm looking for. Does anyone know of any manuals/books that have been written that might introduce me to most of the stuff in dovecot? So far, the list has been great, but once the "dsync" threads started popping up, I find there's even more I don't know about. Thanks for all the help I've received so far and I think I'm really going to like dovecot. Once I get the hang of it, I'll probably reduce the amount of noise on the list by half. steve campbell

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[Dovecot] v2.1.2 released
by Timo Sirainen 16 Mar '12

16 Mar '12

http://dovecot.org/releases/2.1/dovecot-2.1.2.tar.gz http://dovecot.org/releases/2.1/dovecot-2.1.2.tar.gz.sig There are a ton of proxying related improvements in this release. You should now be able to do pretty much anything you want with Dovecot proxy/director. This release also includes the initial version of dsync-based replication. I'm already successfully using it for @dovecot.fi mails, but it still has some problems. See http://dovecot.org/list/dovecot/2012-March/064243.html for some details how to configure it. + 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.

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[Dovecot] problems with SSH-based clustering dovecot 2.1.1
by Michescu Andrei 16 Mar '12

16 Mar '12

Hello, I'm using dovecot 2.1.1 with vpopmail 5.4.30 with multiples domains and I have problems setting up synchronization in between multiple computers. All act like master (my clients can connect to any of the them and read their emails either via POP3 either via IMAP, inbound email gets on any of the machines). Each machine is on a different continent, there is no shared drive in between and the synchronization is supposed to be asynchronous via cron scripts. To simplify the case, let's consider 2 machines (mx1.a and mx2.a) with 3 virtual domains (a and b and c). On both machine domain a is the default domain (needs only username to connect to imap). Initially I synchronize mx1.a with mx2.a using rsync. I check that I can login using dovecot. I tried any of the following commands to synchronize the 2 machines: mx1.a$ doveadm -Dv sync -u user1@a -f ssh mx2.a doveadm dsync-server -u user1@a mx1.a$ doveadm -Dv sync -u user1@a ssh mx2.a doveadm -u user1@a mx1.a$ doveadm -Dv sync -u user1@a user1@a The only thing that happens is that the on each machine the folders get doubled with some random extension (eg. Inbox becomes Inbox_3e3ff3g3gb3bb3b22). Also, another bug, if there is a domain setup as default (auth_default_realm) dsync simply ignores the specified -u <user> and attempts to sync the first email in the default domain. Please advise. # 2.1.1: /etc/dovecot/dovecot/dovecot.conf # OS: Linux 2.6.38-b i686 Slackware 13.0.0.0.0 auth_debug = yes auth_debug_passwords = yes auth_default_realm = a first_valid_gid = 89 first_valid_uid = 89 last_valid_gid = 89 last_valid_uid = 89 listen = * log_path = /dev/stderr login_greeting = A login_trusted_networks = 192.168.20.64/26 mail_debug = yes mail_gid = vchkpw mail_location = maildir:~/Maildir mail_privileged_group = vchkpw mail_uid = vpopmail passdb { driver = vpopmail } protocols = imap pop3 service auth-worker { unix_listener auth-worker { user = vpopmail } user = vpopmail } service auth { user = vpopmail } service imap-login { user = vpopmail } service pop3-login { user = vpopmail } ssl = no userdb { driver = vpopmail }

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[Dovecot] Compiler warnings in dovecot-2.1.2 and pigeonhole 0.3.0
by Tom Talpey 16 Mar '12

16 Mar '12

I'm seeing a few warnings emitted when building for x86. They're pretty obvious, but if you want the configure options etc, I can provide those. In Dovecot 2.1.2 (I also see some of these in 2.1.1): 1) src/lib-index/mail-cache-fields.c (comparison between two last_used fields) mail-cache-fields.c: In function 'mail_cache_header_fields_read': mail-cache-fields.c:406: warning: comparison between signed and unsigned 2) src/director/user-directory.c (comparison with ioloop_time) user-directory.c: In function 'user_directory_user_is_recently_updated': user-directory.c:147: warning: comparison between signed and unsigned 3) src/replication/replicator/replicator-brain.c (comparison with ioloop_time) replicator-brain.c: In function 'doveadm_replicate': replicator-brain.c:113: warning: comparison between signed and unsigned 4) src/replication/replicator/replicator-queue.c (comparison with ioloop_time) replicator-queue.c: In function 'replicator_queue_pop': replicator-queue.c:201: warning: comparison between signed and unsigned In Pigeonhole 0.3.0: 5) src/managesieve-login/client-authenticate.c (passing size_t * not uoff_t *) client-authenticate.c: In function 'managesieve_client_auth_read_response': client-authenticate.c:214: warning: passing argument 3 of 'i_stream_get_size' from incompatible pointer type

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[Dovecot] 2.1.1: doveadm backup errors
by e-frog 15 Mar '12

15 Mar '12

Hello Timo, I'm experimenting with 'doveadm backup' on 2.1.1 (latest hg, full dovecot -n output attached) and haven't managed to get it working. This is what I have done: 1. Create the directory /tmp/backup which is empty 2. Run doveadm -v backup -u testuser(a)ubuntu-test.localdomain mdbox:/tmp/backup/ Then I see the following errors: doveadm -v backup -u testuser(a)ubuntu-test.localdomain mdbox:/tmp/backup/ dsync(testuser(a)ubuntu-test.localdomain): Error: Can't delete mailbox INBOX: INBOX can't be deleted. dsync(testuser(a)ubuntu-test.localdomain): Info: INBOX: only in dest (guid=9e4b88178b905f4f456e0000381555a6) dsync(testuser(a)ubuntu-test.localdomain): Info: INBOX: only in source (guid=bd05451f2fbb574d40600000ec8d17cd) dsync(testuser(a)ubuntu-test.localdomain): Error: Trying to open a non-listed mailbox with guid=9e4b88178b905f4f456e0000381555a6 dsync(testuser(a)ubuntu-test.localdomain): Error: msg iteration failed: Couldn't open mailbox 9e4b88178b905f4f456e0000381555a6 dsync(testuser(a)ubuntu-test.localdomain): Error: Trying to open a non-listed mailbox with guid=9e4b88178b905f4f456e0000381555a6 dsync(testuser(a)ubuntu-test.localdomain): Error: Mailbox INBOX changed its GUID (bd05451f2fbb574d40600000ec8d17cd -> 9e4b88178b905f4f456e0000381555a6) dsync(testuser(a)ubuntu-test.localdomain): Error: msg iteration failed: Couldn't open mailbox bd05451f2fbb574d40600000ec8d17cd dsync(testuser(a)ubuntu-test.localdomain): Error: Mailbox INBOX changed its GUID (bd05451f2fbb574d40600000ec8d17cd -> 9e4b88178b905f4f456e0000381555a6) It somehow finds INBOX in destination however the backup directory is newly created and empty. Thanks, e-frog

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[Dovecot] Multiple locations, 2 servers - planning questions...
by Charles Marcus 15 Mar '12

15 Mar '12

Hello all/Timo, Up until now, my main Clients office has consisted of a single location, and I have never had to deal with the situation of multiple locations for a single company. They have just told me that they are acquiring an additional floor at a building that is about 4 minutes away - but obviously far enough away that I now have to deal with supporting users in the same domain but at two disparate physical locations. These two locations will be connected via a private Gb ethernet connection, and each location will have its own internet connection (I think - still waiting on some numbers to present to the owner to see what he wants to do in that regard, but that will be my recommendation), so bandwidth for replication won't be an issue. I have a couple of months to get this done, and I am already planning on hiring Timo's new commercial support company to help with the final and actual design and implementation, but obviously first I need to know what my actual options are. Just a rough idea of what I'd like to do is: 1. Set up one dovecot server at each location (these will be VMs), so users at each location are accessing the local server for that office 2. Full replication between the two for the mail/indexes, and configure them such that each can act as a failover for the other in case one goes down for whatever reason This is my first/main question... I recall that 'dsync based replication' is actually on the map for 2.1, but, since apparently dsync can't do this now, Timo, do you have even a rough idea how much work this would be to get it working for only 2 locations (assuming it *may* be easier to get the initial support for only 2 locations, my client may be willing to pay for it if it isn't a huge amount - feel free to reply privately to this question), then you could revisit it later to make it more scalable? Or, if it is going to take more work than my client is willing to pay for (I'm hoping not, since you said it was on the map for 2.1, not 2.2+), maybe the notify plugin could be leveraged in some way to provide something 'close enough' until it is fully implemented in dsync? On that note (something 'close enough' until dsync fully supports this natively), would setting up a dsync cron job, say, every 5 or 10 minutes, be asking for trouble? Our mail server is not all that busy, really, so in 5 or 10 minutes, there wouldn't be many changes at all. If that is not recommended, although I want to avoid the hassles of NFS if at all possible, maybe there is another shared filesystem that will work ok - or... since I will be forcing users to a single server always anyway, maybe NFS or some other shared filesystem is really the best option here, and just let it take care of the syncing? and 3. Configure things such that each offices users are directed to the local server for that office, but connections will fail-over to the remote server in the case of one of them going down for whatever reason? I'm fairly sure that some combination of Dovecot Proxy/Director will accomplish this, but one concern is - for internal users, my understanding is it will redirect them via the private IP, but that would result in lots of traffic across the Gb connection between the two locations, and I'd like to eliminate that if possible - so how will this work when they are accessing it from outside the office, where each office has its own public IP? I'd prefer to not rely on users using the correct hostname (currently, we just use 'mail.example.com', and I know I could set up two new ones - office1.example.com and office2.example.com - but then I'd be relying on the users to get it right, and I'd prefer to avoid that can of worms). I guess a worst case scenario (if there is no better way) would be to do it that way, then watch the logs for users who get it wrong and are using the inter-office connection, and deal with them on a case by case basis. Thanks to any/all for reading this far and for any thoughts, suggestions and/or ideas... -- Best regards, Charles

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[Dovecot] director lmtp -> smtp problem
by Jim Lawson 15 Mar '12

15 Mar '12

Hi Timo & Dovecot users, We have a 2-node director setup which front-ends for 4 nodes which share a clustered filesystem (GFS). All nodes run Dovecot 2.0.18. Approximately 40k users, but typically only a few thousand active at any time. The director nodes run sendmail, which deliver mail "locally" using LMTP to the director, which then feeds to SMTP on the real servers (also sendmail.) Why sendmail? Because procmail is used for mail filtering and as the delivery agent. Here's the problem, on the director: Mar 14 20:40:08 imapdir2 dovecot: lmtp(10692): Connect from local Mar 14 20:40:38 imapdir2 dovecot: lmtp(10692): Panic: file lmtp-proxy.c: line 376 (lmtp_proxy_output_timeout): assertion failed: (proxy->data_input ->eof) Mar 14 20:40:38 imapdir2 dovecot: lmtp(10692): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x3d99a) [0x7f79156c499a] -> /usr/lib/doveco t/libdovecot.so.0(+0x3d9e6) [0x7f79156c49e6] -> /usr/lib/dovecot/libdovecot.so.0(i_error+0) [0x7f791569df8f] -> dovecot/lmtp() [0x406e77] -> /usr/l ib/dovecot/libdovecot.so.0(io_loop_handle_timeouts+0xd4) [0x7f79156d0044] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x5b) [0x7f79156d 0c3b] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x28) [0x7f79156cfca8] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f7915 6bdfc3] -> dovecot/lmtp(main+0x154) [0x403f84] -> /lib64/libc.so.6(__libc_start_main+0xfd) [0x7f7914ef8cdd] -> dovecot/lmtp() [0x403d69] Mar 14 20:40:38 imapdir2 sendmail[6905]: q2D8KodI018432: SYSERR(root): timeout writing message to localhost: Broken pipe Most mail goes through OK, but some messages do not and end up queued until they run into the queue time limit. So far as I have been able to tell, all of the messages have this failure when the following conversation takes place between sendmail (on director), the Dovecot LMTP proxy, and sendmail on the backend node (SMTP): (names mangled to protect the guilty) (first, sendmail -> director LMTP) > [root@imapdir2 ~]# sendmail -qIq2EFZt1p004708 -v > > Running /var/spool/mqueue/qd2/q2EFZt1p004708 (sequence 1 of 1) > <ntssdfwe(a)pobox2.uvm.edu>... Connecting to > /var/lib/dovecot/lmtp-socket via cyrusv2... > 220 imapdir2.uvm.edu Dovecot LMTP ready > >>> LHLO imapdir2.uvm.edu > 250-imapdir2.uvm.edu > 250-8BITMIME > 250-ENHANCEDSTATUSCODES > 250 PIPELINING > >>> MAIL From:<owner-dasfqeiuasd*Abrasf*-Gorpwe**UVM*-EDU(a)LIST.UVM.EDU> > 250 2.1.0 OK > >>> RCPT To:<ntssdfwe> > >>> DATA > 250 2.1.5 OK > 354 OK > timeout writing message to localhost: Broken pipe > <ntssdfwe(a)pobox2.uvm.edu>... Deferred > Closing connection to localhost The conversation between the director (LMTP) and the backend (sendmail SMTP) goes like this: > 250-penguinc.uvm.edu Hello imapdir2.uvm.edu [132.198.100.150], pleased > to meet you > 250-ENHANCEDSTATUSCODES > 250-PIPELINING > 250-8BITMIME > 250-SIZE 10485760 > 250-ETRN > 250-AUTH DIGEST-MD5 CRAM-MD5 > 250-DELIVERBY > 250 HELP > MAIL FROM:<owner-dasfqeiuasd*Abrasf*-Gorpwe**UVM*-EDU(a)LIST.UVM.EDU> > 250 2.1.0 <owner-dasfqeiuasd*Abrasf*-Gorpwe**UVM*-EDU(a)LIST.UVM.EDU>... > Sender ok > RCPT TO:<ntssdfwe> > 552 5.2.2 User ntssdfwe mailbox is full At this point Dovecot should return the failed RCPT TO: status back to sendmail over LMTP, but instead it sits there (waiting for a timeout to expire?) and eventually dies. doveconf -n output: # 2.0.18: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-220.4.2.el6.x86_64 x86_64 Red Hat Enterprise Linux Server release 6.2 (Santiago) base_dir = /var/run/dovecot/ default_client_limit = 6000 default_process_limit = 10240 director_mail_servers = penguina.uvm.edu penguinb.uvm.edu penguinc.uvm.edu penguind.uvm.edu director_servers = imapdir1.uvm.edu imapdir2.uvm.edu lmtp_proxy = yes login_trusted_networks = [REDACTED] passdb { args = proxy=y nopassword=y protocol=smtp driver = static } service anvil { client_limit = 40000 } service auth { client_limit = 45960 unix_listener auth-userdb { group = mail mode = 0660 user = dovecot } } service director { fifo_listener login/proxy-notify { mode = 0666 } inet_listener { port = 9090 } unix_listener director-userdb { mode = 0600 } unix_listener login/director { mode = 0666 } } service imap-login { executable = imap-login director service_count = 0 } service imap { process_limit = 10240 vsz_limit = 1 G } service lmtp { client_limit = 1 inet_listener lmtp { port = 24 } unix_listener /var/lib/dovecot/lmtp-socket { group = root mode = 0600 user = root } } service pop3-login { executable = pop3-login director service_count = 0 } service pop3 { process_limit = 5000 } shutdown_clients = no ssl_cert = <[REDACTED].pem ssl_key = <[REDACTED].key userdb { driver = passwd } verbose_proctitle = yes version_ignore = yes protocol lmtp { auth_socket_path = director-userdb } protocol imap { mail_max_userip_connections = 100 } Hope you can help, Jim Lawson

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[Dovecot] v2.0.19 released
by Timo Sirainen 15 Mar '12

15 Mar '12

http://dovecot.org/releases/2.0/dovecot-2.0.19.tar.gz http://dovecot.org/releases/2.0/dovecot-2.0.19.tar.gz.sig Hopefully one of the last v2.0.x releases. - IMAP: ENABLE CONDSTORE/QRESYNC + STATUS for a mailbox might not have seen latest external changes to it, like new mails. - imap_id_* settings were ignored before login. - doveadm altmove did too much work sometimes, retrying moves it had already done. - mbox: Fixed accessing Dovecot v1.x mbox index files without errors.

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[Dovecot] sieve.before script is taking preceedence over user defined rules
by Alexis Lelion 15 Mar '12

15 Mar '12

Hello, In my current setup, I have a spam filter upstream that adds a specific header - X-Spam-Level on every incoming mail. Based on this level, the mail will be moved to the user spam folder using sieve by doing "fileinto :create 'spam';" Unfortunately, some legitimate email may end up in this spam folder, so I have kind of a whitelist that performs an explicit keep over specific trusted domains. So, my complete spam filtering rule is : if address :domain :contains "From" ["mycompany.tld", "trusted.tld" ]{ keep; elseif header :contains "X-Spam-Level" ["0","1","2"] { fileinto :create "__spam__"; } This rule is stored in "/var/lib/dovecot/sieve/before.sieve", which is my "sieve_before" file as defined in /etc/dovecot/conf.d/90-sieve.conf This works as expected except that it doesn't take into account users filtering for domains that were matched for the explicit keep. For example, I have the following rule : if address :domain "From" "trusted.tld" { fileinto "trusted" } But mail coming from that domain are still delivered in my mailbox. Is there something I'm missing here? I guess yes, otherwise it would work as I want ^_^ Any help/comment is appreciated Thanks! Alexis

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Re: [Dovecot] doveadm -A stops processing at first uid<first_valid_uid
by Joseph Tam 15 Mar '12

15 Mar '12

On Sun, 4 Mar 2012, Timo Sirainen writes: > > I would like to run various doveadm commands that involves all (mail) users like > > > > doveadm expunge -A mailbox Trash savedbefore 30d > > > > but any doveadm command that uses "-A" to iterate through all users will > > stop processing at the first account with UID<first_valid_uid. > > What userdb are you using? userdb passwd should already skip users that > aren't in the valid range. And what Dovecot version are you using? passwd-file under dovecot 2.0.16. > And one more thing: Does it really even stop there? Looking at the code > it's supposed to log an error and continue to next user. Note that it says > "Failed to iterate through SOME users". The wording did not escape my notice, which is why I suspect it's not doing what it was designed to do. This is my test: # Command doveadm mailbox list -A # Start of password file sysdaemon:*:500:500:System daemon:/:/dev/null ... and the rest ... # dovecot.conf ... first_valid_uid = 10000 first_valid_gid = 10000 ... In this situation, doveadm will exit immediately with an UID error message. If I change the UID>10000, it will produce the analogous GID error message. If I satify both UID and GID constraints, it will fail on the next daemon entry. If I move the sysdaemon entry all the way to the bottom of the pasword file, I get user1 saved-messages user1 sent-mail user1 postponed-msgs user1 temp user1 temp/temp user1 INBOX user2 sent-mail user2 101 user2 345 user2 ckf ... all user's mailbox with UID>10000, then ... doveadm(sysdaemon): Error: user sysdaemon: Couldn't drop privileges: Mail access for users with UID 500 not permitted (see first_valid_uid in config file, uid from userdb lookup). doveadm(sysdaemon): Error: User init failed doveadm: Error: Failed to iterate through some users > Oh, it says about first_valid_gid. Is sysdaemon's UID within valid range? Sorry for this error mismatch -- I cut&pasted the wrong test output; however, the problem I witnessed applies to both UID and GID (if either constraint is not met, user iteration terminates). > I also added this today: http://hg.dovecot.org/dovecot-2.1/rev/85a8d582d37f It looks like I'll be upgrading. Oh, I just spotted this in the ChangeLog -- maybe you are undoing this? (2010-10-21) * src/auth/auth-settings.c, src/auth/auth-settings.h, src/auth/userdb- passwd.c: auth: userdb passwd iteration now lists only users within first_valid_uid..last_valid_uid range. [745ef289b0ea] Joseph Tam <jtam.home(a)gmail.com>

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[Dovecot] Shared folder prefix listed multiple times with dovecot 2.1.1
by Markus Petri 15 Mar '12

15 Mar '12

Hi, after upgrading from 2.0.18 to 2.1.1 I noticed that I could not use shared folders with mutt anymore. 2.1 lists the shared namespace prefix once per user sharing an folder in LIST "" "%". I also noticed, that with 2.1 the user folder (Shared/<username>) is no longer tagged as \NoSelect. Is this the intended behaviour and mutt simply cannot cope with it or is it a dovecot problem? Here an example with three users sharing a folder to the logged in user with Dovecot 2.1.1: 2 LIST "" "*" * LIST (\HasNoChildren) "/" "INBOX" * LIST (\HasChildren) "/" "Shared/test" * LIST (\HasNoChildren) "/" "Shared/test/Share" * LIST (\HasChildren) "/" "Shared/test2" * LIST (\HasNoChildren) "/" "Shared/test2/Share2" * LIST (\HasChildren) "/" "Shared/test3" * LIST (\HasNoChildren) "/" "Shared/test3/Share3" 2 OK List completed. 2 LIST "" "%" * LIST (\HasNoChildren) "/" "INBOX" * LIST (\Noselect \HasChildren) "/" "Shared" * LIST (\Noselect \HasChildren) "/" "Shared" * LIST (\Noselect \HasChildren) "/" "Shared" 2 OK List completed. The same three users and config with Dovecot 2.0.18: 2 LIST "" "*" * LIST (\HasNoChildren) "/" "INBOX" * LIST (\Noselect \HasChildren) "/" "Shared/test" * LIST (\Noselect \HasChildren) "/" "Shared/test2" * LIST (\Noselect \HasChildren) "/" "Shared/test3" * LIST (\HasNoChildren) "/" "Shared/test/Share" * LIST (\HasNoChildren) "/" "Shared/test2/Share2" * LIST (\HasNoChildren) "/" "Shared/test3/Share3" 2 OK List completed. 2 LIST "" "%" * LIST (\HasNoChildren) "/" "INBOX" * LIST (\Noselect \HasChildren) "/" "Shared" 2 OK List completed. Markus # 2.1.1: /opt/dovecot-2.1/etc/dovecot/dovecot.conf # OS: Linux 3.2.0-1-amd64 x86_64 Debian wheezy/sid auth_mechanisms = plain login disable_plaintext_auth = no listen = 192.168.56.11 mail_location = maildir:~/Maildir mail_plugins = acl managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave namespace { inbox = yes location = prefix = separator = / subscriptions = yes type = private } namespace { inbox = no list = children location = maildir:%%h/Maildir:INDEX=~/Maildir/index/shared/%%u prefix = Shared/%%u/ separator = / subscriptions = no type = shared } passdb { args = /opt/dovecot-2.1/etc/dovecot/passwd driver = passwd-file } plugin { acl = vfile acl_anyone = allow acl_shared_dict = file:/var/lib/vdovecot/shared-mailboxes.db } protocols = imap service auth { unix_listener auth-userdb { mode = 0600 user = vdovecot } } ssl = no userdb { args = /opt/dovecot-2.1/etc/dovecot/passwd driver = passwd-file } verbose_proctitle = yes protocol imap { mail_plugins = acl imap_acl }

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Re: [Dovecot] Dovecot 2.1 with custom OpenSSL fails to build
by Andreas M. Kirchwitz 15 Mar '12

15 Mar '12

Timo Sirainen <tss(a)iki.fi> wrote: >> There seems to be a new dependency in some modules (eg, lib-storage, >> libdovecot-lda, libdovecot-ssl) on OpenSSL. In Dovecot 2.0, those >> modules didn't require OpenSSL, but 2.1 does. >> >> For the linking process the path to the OpenSSL library isn't >> specified properly (SSL_LIBS). Dovecot fails to build if OpenSSL >> is in a non-standard path. (Haven't checked if SSL_CFLAGS isn't >> properly used as well.) > > Maybe http://hg.dovecot.org/dovecot-2.1/rev/c07415305d9e fixes > everything? That's the way to go. Makes things better, but I've found three more dependencies. This patch is against the daily snapshot 20120228. (Sorry for the changes to Makefile.in which you won't need. But this way I don't have to rebuild Makefile.in from Makefile.am when compiling. ;-) diff -ur dovecot-20120228.original/src/auth/Makefile.am dovecot-20120228/src/auth/Makefile.am --- dovecot-20120228.original/src/auth/Makefile.am 2012-02-26 04:00:02.000000000 +0100 +++ dovecot-20120228/src/auth/Makefile.am 2012-02-29 01:38:41.000000000 +0100 @@ -167,7 +167,7 @@ libauthdb_imap_la_LIBADD = \ ../lib-imap-client/libimap_client.la \ ../lib-ssl-iostream/libssl_iostream.la \ - $(LIBDOVECOT) + $(LIBDOVECOT) $(SSL_LIBS) libauthdb_imap_la_CPPFLAGS = \ $(AM_CPPFLAGS) \ -I$(top_srcdir)/src/lib-imap \ diff -ur dovecot-20120228.original/src/auth/Makefile.in dovecot-20120228/src/auth/Makefile.in --- dovecot-20120228.original/src/auth/Makefile.in 2012-02-28 04:00:12.000000000 +0100 +++ dovecot-20120228/src/auth/Makefile.in 2012-02-29 01:38:44.000000000 +0100 @@ -499,7 +499,7 @@ libauthdb_imap_la_LIBADD = \ ../lib-imap-client/libimap_client.la \ ../lib-ssl-iostream/libssl_iostream.la \ - $(LIBDOVECOT) + $(LIBDOVECOT) $(SSL_LIBS) libauthdb_imap_la_CPPFLAGS = \ $(AM_CPPFLAGS) \ diff -ur dovecot-20120228.original/src/lib-storage/Makefile.am dovecot-20120228/src/lib-storage/Makefile.am --- dovecot-20120228.original/src/lib-storage/Makefile.am 2012-02-10 04:00:02.000000000 +0100 +++ dovecot-20120228/src/lib-storage/Makefile.am 2012-02-29 01:38:21.000000000 +0100 @@ -85,7 +85,7 @@ pkglib_LTLIBRARIES = libdovecot-storage.la libdovecot_storage_la_SOURCES = -libdovecot_storage_la_LIBADD = $(shlibs) $(MODULE_LIBS) +libdovecot_storage_la_LIBADD = $(shlibs) $(MODULE_LIBS) $(SSL_LIBS) libdovecot_storage_la_DEPENDENCIES = $(shlibs) libdovecot_storage_la_LDFLAGS = -export-dynamic diff -ur dovecot-20120228.original/src/lib-storage/Makefile.in dovecot-20120228/src/lib-storage/Makefile.in --- dovecot-20120228.original/src/lib-storage/Makefile.in 2012-02-28 04:00:15.000000000 +0100 +++ dovecot-20120228/src/lib-storage/Makefile.in 2012-02-29 01:38:21.000000000 +0100 @@ -397,7 +397,7 @@ pkglib_LTLIBRARIES = libdovecot-storage.la libdovecot_storage_la_SOURCES = -libdovecot_storage_la_LIBADD = $(shlibs) $(MODULE_LIBS) +libdovecot_storage_la_LIBADD = $(shlibs) $(MODULE_LIBS) $(SSL_LIBS) libdovecot_storage_la_DEPENDENCIES = $(shlibs) libdovecot_storage_la_LDFLAGS = -export-dynamic test_programs = \ diff -ur dovecot-20120228.original/src/login-common/Makefile.am dovecot-20120228/src/login-common/Makefile.am --- dovecot-20120228.original/src/login-common/Makefile.am 2011-11-09 04:00:01.000000000 +0100 +++ dovecot-20120228/src/login-common/Makefile.am 2012-02-29 01:38:21.000000000 +0100 @@ -40,6 +40,6 @@ pkglib_LTLIBRARIES = libdovecot-login.la libdovecot_login_la_SOURCES = -libdovecot_login_la_LIBADD = liblogin.la ../lib-ssl-iostream/libssl_iostream.la ../lib-dovecot/libdovecot.la +libdovecot_login_la_LIBADD = liblogin.la ../lib-ssl-iostream/libssl_iostream.la ../lib-dovecot/libdovecot.la $(SSL_LIBS) libdovecot_login_la_DEPENDENCIES = liblogin.la libdovecot_login_la_LDFLAGS = -export-dynamic diff -ur dovecot-20120228.original/src/login-common/Makefile.in dovecot-20120228/src/login-common/Makefile.in --- dovecot-20120228.original/src/login-common/Makefile.in 2012-02-28 04:00:18.000000000 +0100 +++ dovecot-20120228/src/login-common/Makefile.in 2012-02-29 01:38:21.000000000 +0100 @@ -320,7 +320,7 @@ pkginc_lib_HEADERS = $(headers) pkglib_LTLIBRARIES = libdovecot-login.la libdovecot_login_la_SOURCES = -libdovecot_login_la_LIBADD = liblogin.la ../lib-ssl-iostream/libssl_iostream.la ../lib-dovecot/libdovecot.la +libdovecot_login_la_LIBADD = liblogin.la ../lib-ssl-iostream/libssl_iostream.la ../lib-dovecot/libdovecot.la $(SSL_LIBS) libdovecot_login_la_DEPENDENCIES = liblogin.la libdovecot_login_la_LDFLAGS = -export-dynamic all: all-am

2 3

[Dovecot] .mailboxlist -> .subscriptions
by Steve Campbell 15 Mar '12

15 Mar '12

I've mostly finished a conversion from an old Centos 3 UW-Imap server to a new Centos 6 dovecot server. I did not copy the old ~/.mailboxlist file to ~/mail/.subscriptions file, but notice some users have the latter file now. These are all mbox folders on the old and new server. I'm getting ready to do the same to another old/new pair of servers and I'm wondering if there is an advantage of doing the copy. I'm assuming the .subscription files are created when they access their account through our webmail application, but I'm not sure if it was automatic or due to a "subscribe" action done manually. There are 49 accounts with a .mailboxlist file and only 4 with the new .subscriptions file. So either our webmail application isn't being used a lot or there's a problem with it due to the missing .subscriptions file, but the phone usually rings pretty quickly when problems arise. One last question, please. Over the years, some imap accounts had their folders directly in their home directory and the contents of the .mailboxlist file would have an entry with just the name of the folder in it (Trash, eg), and most had the folders in their ~/mail folder with an entry like "mail/Trash". Our webmail app, Horde/Imp, always seemed to take care of this. If I create the .subscription file for the users during the move to the new server, should I move the folders to the mail directory and amend their .subscriptions file to reflect that change on these odd ball accounts, and will that affect how their client is seeing these? The first server conversion was a bear due to my lack of dovecot knowledge. I've since learned a little more, and mostly found out that dovecot is a more complex application than the old imap application. There's so much more that can be done with dovecot, whereas the old imap server was mostly just load-and-go. Seems like no matter how much I read, the more I discovered I didn't know. Anyway, thanks for all the past help and any opinions anyone might decide to offer on this post. steve campbell

3 6

[Dovecot] 2.1: timeout waiting for lock?
by Ralf Hildebrandt 15 Mar '12

15 Mar '12

Mar 15 09:46:11 postamt dovecot: pop3(username): Error: Couldn't open INBOX: Timeout while waiting for lock Mar 15 09:46:11 postamt dovecot: pop3(username): Couldn't open INBOX top=0/0, retr=0/0, del=0/0, size=0 Mar 15 09:47:26 postamt dovecot: pop3(username): Error: Couldn't open INBOX: Timeout while waiting for lock Mar 15 09:47:26 postamt dovecot: pop3(username): Couldn't open INBOX top=0/0, retr=0/0, del=0/0, size=0 Mar 15 09:51:01 postamt dovecot: pop3(username): Error: Couldn't open INBOX: Timeout while waiting for lock Mar 15 09:51:01 postamt dovecot: pop3(username): Couldn't open INBOX top=0/0, retr=0/0, del=0/0, size=0 during that time, I wasn't able to access the mailbox using imap. I then issued doveadm kick username and all over sudden the mailbox was accessible (via IMAP) # doveadm kick username kicked connections from the following users: username # /usr/local/scripts/find_abnormal_imap Mar 15 11:38:48 postamt dovecot: imap: Warning: Killed with signal 15 (by pid=24545 uid=0 code=kill) -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebrandt(a)charite.de | http://www.charite.de

2 4

Re: [Dovecot] .mailboxlist -> .subscriptions
by Joseph Tam 15 Mar '12

15 Mar '12

Steve Campbell <campbell(a)cnpapers.com> writes: > Their imap folders, the ones that they create using an imap client or > webmail, are either in ~ or ~/mail. Their original .mailboxlist is > always in ~. Based on that, I should probably copy any imap folders not > in ~/mail to that folder, duplicate ~/.mailboxlist to the file > ~/mail/.subscriptions, and amend any .subscriptions file contents to > just have the name of the folders (without any "mail/folder" reference > in it). > > My example would then be as follows > > /home/steve = folder > /home/steve/Drafts = original folder > /home/steve/AnyFolder = original folder > /home/steve/.mailboxlist = original file > /home/steve/mail = folder (either original or created) > /home/steve/mail/.subscriptions = copied contents of .mailboxlist > file > /home/steve/mail/Drafts = copied folder of original > /home/steve/mail/AnyFolder = copied folder of original > > Contents of original .mailboxlist and new .subscriptions: > > Drafts > AnyFolder > > If the imap folders were in ~/mail, then the original .mailboxlist would > have been > > mail/Drafts > mail/AnyFolder > > but after the corrections to the .subscriptions file, they would be as > above (without reference to the mail folder). > > Is this correct? That depends -- are you aliasing namespaces so that prefix={"", "mail/", etc.} all map to a user's ~/mail folder? You may be creating a confusing situation where a client with a null IMAP prefix has 2 copies of a mailbox. Joseph Tam <jtam.home(a)gmail.com>

2 1

[Dovecot] firefox dovecot-sieve
by paul 15 Mar '12

15 Mar '12

Send this to dovecot(a)dovecot.org, not dovecot-owner(a)dovecot.org On 14.3.2012, at 4.45, paul wrote: > HI. I have just started to play with sieve and everything seems ok when > logging on using telnet localhost 4190 and an encoded username/password. > If I try to connect with firefox at localhost:4190 I get > "IMPLEMENTATION" "Dovecot Pigeonhole" > "SIEVE" "fileinto reject envelope encoded-character vacation subaddress > comparator-i;ascii-numeric relational regex imap4flags copy include > variables body enotify environment mailbox date ihave" > "NOTIFY" "mailto" > "SASL" "PLAIN LOGIN" > "STARTTLS" > "VERSION" "1.0" > OK "Dovecot ready." > NO "Error in MANAGESIEVE command received by server." > NO "Error in MANAGESIEVE command received by server." > NO "Invalid characters in atom" > BYE "Too many invalid MANAGESIEVE commands." > my dovecot -n shows > # 2.0.18: /etc/dovecot/dovecot.conf > # OS: Linux 2.6.42.9-1.fc15.i686.PAE i686 Fedora release 15 (Lovelock) > auth_mechanisms = plain login > disable_plaintext_auth = no > mail_location = mbox:~/mail:INBOX=/var/spool/mail/%u > mail_privileged_group = mail > managesieve_notify_capability = mailto > managesieve_sieve_capability = fileinto reject envelope > encoded-character vacation subaddress comparator-i;ascii-numeric > relational regex imap4flags copy include variables body enotify > environment mailbox date ihave > mbox_write_locks = fcntl > passdb { > driver = pam > } > plugin { > sieve = ~/.dovecot.sieve > sieve_dir = ~/sieve > } > protocols = imap pop3 lmtp sieve > service managesieve-login { > inet_listener sieve { > port = 4190 > } > } > ssl_cert = </etc/pki/dovecot/certs/dovecot.pem > ssl_key = </etc/pki/dovecot/private/dovecot.pem > userdb { > driver = passwd > } > Have I missed something obvious or does Firefox clash with Managesieve? > Thanks. Paul >

2 1

[Dovecot] Login Failed
by Aydın Demirel 15 Mar '12

15 Mar '12

Hi; We are using scripts for login successes. Is there a feature for login failed status or can it be developed? Regards -- *Aydın Demirel Endersys Ltd. Sistem Destek Mühendisi/ System Support Engineer* * *<<Endersys is the first Advanced Business Partner of Red Hat in Turkey! http://www.europe.redhat.com/partners/endersys/>> Phone : +90 216 470 9423 | GSM : +90 530 401 8203 Fax : +90 216 470 9508 | Web : http://www.endersys.com <http://www.endersys.com/> Blog : http://blog.endersys.com <http://blog.endersys.com/> Twitter : http://www.twitter.com/endersys LPI : The #1 Linux Certification for IT Professionals LPI (Linux Professional Institute) Turkey http://www.lpi-turkey.com <http://www.lpi-turkey.com/>

2 1

[Dovecot] FTS crash
by Joan Moreau 14 Mar '12

14 Mar '12

Hi Timo, I updated my 2.1 from HG, and now the FTS (Squat) plugin makes a segmentation fault. When I remove the plugin from the dovecot.conf, all works fine. No debug available here, but let me know how can I help you. Joan

2 2

[Dovecot] RECENT status always 0
by Arnaud Abélard 14 Mar '12

14 Mar '12

Hello, we are using dovecot 2.0.13 with maildir++ (we migrated away from courrier just a few months ago) and the RECENT status doesn't seem to be working: . STATUS INBOX (MESSAGES UNSEEN RECENT) * STATUS "INBOX" (MESSAGES 35106 RECENT 0 UNSEEN 10) then 2 minutes later: . STATUS INBOX (MESSAGES UNSEEN RECENT) * STATUS "INBOX" (MESSAGES 35106 RECENT 0 UNSEEN 11) How can the UNSEEN count change without the RECENT count changing accordingly? Thanks in advance, Arnaud -- Arnaud Abélard (jabber: arnaud.abelard(a)univ-nantes.fr) Administrateur Système - Responsable Services Web Direction des Systèmes d'Informations Université de Nantes - ne pas utiliser: trapemail(a)univ-nantes.fr

2 1

[Dovecot] Thunderbird Archive to slower storage - sort of alternate storage
by Marcio Merlone 14 Mar '12

14 Mar '12

Hi people, When a user archives a message from Thunderbird it moves to an IMAP folder "Archives", everyone knows that. I use dovecot 1:1.2.9-1ubuntu6.5 on Ubuntu 10.04 and want to move that folder (and respective IMAP sub-folders) to a slower storage, link it to original location and my first idea for this is find -type d -name .Archives\* -print0 | \ while read -d $'\0' archive; do \ mv "$archive" /dead/Emails/jhon.doe/; \ ln -s "/dead/Emails/jhon.doe/$archive" .; done It works, given that the files are not locked. I could restart dovecot before so it would unlock the files, but there is no guarantee it does not get locked again before the find finishes. I took a look on mailling list archives, but could not find something like that and was wondering what you guys use (if any) for such task and what are the recommendations, best practices, solutions for that? Thanks in advance, best regards. -- *Marcio Merlone*

2 5

Re: [Dovecot] \NoSelect on missing folders in LIST
by Peter Mogensen 14 Mar '12

14 Mar '12

On 2012-03-05 16:36, Timo Sirainen wrote: >> Still curious about if Courier is doing something wrong which the scripts just happened to take advantage of. > > Neither behavior is wrong, just different. :) Ok... I were in doubt if I had missed something from the RFC. However... for testing, I tried to create "INBOX.INBOX" on dovecot. But then dovecot answers NO and complains that the folder already exists. Though it's still not on disk and dovecot still doesn't list it with "*". /Peter

2 1

[Dovecot] No passdbs specified in configuration file with passdb/userdb in protocol sections
by btb＠bitrate.net 13 Mar '12

13 Mar '12

hi- i have a configuration in which i'm using different passdb/userdb settings for each of imap, lmtp and smtp [without getting too far off on a tangent, this is so ldap group membership can be used to independently control authorization for receiving [lmtp], retrieving [imap], and sending [smtp/postfix] of email. each passdb/userdb uses a different search filter.] when i use this as my config: # 2.0.13: /etc/dovecot/dovecot.conf # OS: Linux 3.0.0-15-generic-pae i686 Ubuntu 11.10 auth_debug = yes first_valid_gid = 2000 first_valid_uid = 2000 log_timestamp = "%d.%m.%Y %H.%M.%S " login_greeting = dovecot ready mail_debug = yes protocols = " imap lmtp" service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } } service lmtp { inet_listener lmtp { address = 127.0.0.1 ::1 port = 10026 } } ssl_cert = </etc/dovecot/pki/mra.example.com-cert.pem ssl_key = </etc/dovecot/pki/mra.example.com-key.pem verbose_proctitle = yes protocol imap { mail_max_userip_connections = 20 passdb { args = /etc/dovecot/dovecot-ldap-imap.conf.ext driver = ldap } userdb { driver = prefetch } userdb { args = /etc/dovecot/dovecot-ldap-imap.conf.ext driver = ldap } } protocol lmtp { userdb { args = /etc/dovecot/dovecot-ldap-lmtp.conf.ext driver = ldap } } protocol smtp { passdb { args = /etc/dovecot/dovecot-ldap-smsp.conf.ext driver = ldap } } dovecot complains: dovecot: auth: Fatal: No passdbs specified in configuration file. PLAIN mechanism needs one which is a little confusing, since there are multiple passdbs specified, in the various protocol sections. i found that adding another "global" passdb to the config allows dovecot to work - e.g.: # 2.0.13: /etc/dovecot/dovecot.conf # OS: Linux 3.0.0-15-generic-pae i686 Ubuntu 11.10 auth_debug = yes first_valid_gid = 2000 first_valid_uid = 2000 log_timestamp = "%d.%m.%Y %H.%M.%S " login_greeting = dovecot ready mail_debug = yes passdb { args = /etc/dovecot/dovecot-ldap.conf.ext driver = ldap } protocols = " imap lmtp" service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } } service lmtp { inet_listener lmtp { address = 127.0.0.1 ::1 port = 10026 } } ssl_cert = </etc/dovecot/pki/mra.example.com-cert.pem ssl_key = </etc/dovecot/pki/mra.example.com-key.pem verbose_proctitle = yes protocol imap { mail_max_userip_connections = 20 passdb { args = /etc/dovecot/dovecot-ldap-imap.conf.ext driver = ldap } userdb { driver = prefetch } userdb { args = /etc/dovecot/dovecot-ldap-imap.conf.ext driver = ldap } } protocol lmtp { userdb { args = /etc/dovecot/dovecot-ldap-lmtp.conf.ext driver = ldap } } protocol smtp { passdb { args = /etc/dovecot/dovecot-ldap-smsp.conf.ext driver = ldap } } the problem with this is that while each of the passdb/userdb configs for the various protocols does indeed work, if a result is not found in one of them, the global passdb appears to then function as a catch-all. how can i tell dovecot it doesn't need a global passdb? each of the protocols' passdb/userdb configs is functioning as desired, but having dovecot look elsewhere upon failure ends up defeating the purpose. thanks -ben

2 2

[Dovecot] invalid mailbox name
by Vincent Schut 13 Mar '12

13 Mar '12

Hi, while migrating all mail from our old to our new server (using offlineimap, imap -> imap), I get the following error for one of my user's mailboxes: ERROR: Folder 'Organisations.RS Env & IJRS'[local_hoekman] could not be created. Server responded: ('NO', ['Invalid mailbox name: Organisations.RS Env & IJRS']) I suppose this is because of the ampersand in the mailbox name? Because other folder with spaces in it go just fine... Is this a fixed thing? Why was my user able to create the folder once? And why is dovecot 1.2.15 refusing to create the folder now? Migration is from dovecot 1.1.11 to 1.2.15. Thanks, Vincent.

2 5

[Dovecot] upgrade convert omissions
by Nick Edwards 13 Mar '12

13 Mar '12

It did not convert over some things: protocol imap { listen = *:143 mail_plugins = quota imap_quota imap_client_workarounds = outlook-idle ssl_listen = *:993 } protocol pop3 { pop3_uidl_format = %f mail_plugins = quota pop3_client_workarounds = outlook-no-nuls oe-ns-eoh } protocol lda { mail_plugins = quota cmusieve quota_full_tempfail = no log_path = /var/log/dovecot/deliver.log deliver_log_format = msgid=%m: from=%f: %$ auth_socket_path = /var/run/dovecot/auth-master } I ended up with service imap-login { inet_listener imap { address = * port = 143 } inet_listener imaps { address = * port = 993 } process_limit = 1024 service_count = 1 } service imap { process_limit = 1024 } service pop3-login { process_limit = 1024 service_count = 1 } service pop3 { process_limit = 1024 } It looks like service-foobar is replacing stuff inside protocol {} but protocol still exists in examples, kind of confusing. Oh what about service-pop3, different than examples and service-imap, where's pop3s ? I guess I'll just copy the service pop3 section from an example file. Does all this mean the protocol section is not needed? or everything inside of them I had is no longer valid? No LDA specific logging converted, it did not include the quota stuff in where it is needed (mail_plugins went MIA), but did inside converted plugin section. I did note the conversion warned that workarounds = outlook-idle is no longer needed, but nothing about the other stuff. Just concerns me if it ignored some needed stuff, what else did it ignore. Nik (who is rather reluctant to use series 2 and break everything and stay with 1.2) Below is the new conf file: auth_cache_negative_ttl = 0 auth_cache_ttl = 5 mins auth_mechanisms = plain login auth_verbose = yes disable_plaintext_auth = no first_valid_uid = 95 last_valid_uid = 95 listen = *,:: log_path = /var/log/dovecot/pop3.log login_log_format_elements = user=<%u> method=%m rip=%r %c mail_location = maildir:/vmail/%d/%n/Maildir mail_nfs_index = yes mail_nfs_storage = yes maildir_very_dirty_syncs = yes mmap_disable = yes passdb { args = /etc/dovecot-sql.conf driver = sql } plugin { quota = maildir quota_rule = *:storage=1000M quota_rule2 = Trash:storage=100M quota_rule3 = Junk:ignore quota_rule4 = Spam:ignore quota_warning = storage=90%% /usr/local/bin/quotawarn-90.sh quota_warning2 = storage=75%% /usr/local/bin/quotawarn-75.sh } pop3_lock_session = yes protocols = imap pop3 service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } unix_listener auth-master { mode = 0600 user = vmail } user = vmail } service imap-login { inet_listener imap { address = * port = 143 } inet_listener imaps { address = * port = 993 } process_limit = 1024 service_count = 1 } service imap { process_limit = 1024 } service pop3-login { process_limit = 1024 service_count = 1 } service pop3 { process_limit = 1024 } shutdown_clients = no ssl_cert = </etc/ssl/certs/mail.crt ssl_key = </etc/ssl/certs/mail.key userdb { args = /etc/dovecot-sql.conf driver = sql }

2 2

[Dovecot] Trouble adding sasl support via dovecot
by Richard Troy 12 Mar '12

12 Mar '12

Hello Folks, I've been the admin of a site that uses Postfix with Dovecot on RedHat since, oh, gosh, maybe 1996? It's been a long time. I've never built it from source, though, just used the rpms (and I wonder if maybe that's my problem now). It just works, is reliable, and lets me be a very-part-time administrator. Repeatedly over the last few years I've been asked to have our mail system "join the modern age" and provide mail sending capabilities for clients that aren't on our internal network - via their smart-phones, from home, etc. OK... Well, way back when the site was set up, smtp servers didn't do any kind of "auth", but along the way to solving this problem (trying to configure pop-before-smtp, someone mentioned that Postfix now has an auth mechanism that uses Dovecot and I should use that instead! Great! ... Except that I've spent between 16 and 20 hours on this with no joy, and while I hate having to ask for help, it's time to ask what things that are obvious to the less ignorant that I must be doing wrong... Certainly, given the solid history of Postfix and Dovecot, I must be the problem! My problem statement is simply, "it should be working", but doesn't, and I don't get any announcement of "auth" when testing connections to Postfix as per directions here: http://www.postfix.org/SASL_README.html#server_test At least I haven't broken the normal functionality! I'm building a new server on the latest Fedora Core (16), but it's lacking in some hardware and won't be ready for a while, so I'm working with FC 14, running Postfix 2.5.6, and Dovecot 1.2.8. It uses the "cram-md5" auth scheme (which works fine and I'd hate to change it if I don't have to). The system has been up and functional on these versions for a couple of years, and quite stable, we just can't send if we're not local. When I do "postconf-a" it indicates cyrus and dovecot, so I take it that means Postfix has been built with sasl support. (I presume this means I don't have to compile it from source.) First Dovecot. Its set up to provide all protocols, but only imaps and pop3s have ports forwarded through the firewall. Plain-text auth is disabled, ssl is set to yes, ssl_listen is not specified, and the cert and key files are in the default locations - and work. No cipher list is used. Dovecot's chrooted. The protocol sections imap and pop3 take ALL the defaults, as does lda (I've ignored sendmail_path = /usr/lib/sendmail) as I don't think it matters. "auth default {" has mechanisms set to cram-md5, digest-md5, plain, and login, with passdb passwd-file pointing to a file in /etc where the cram data goes. It's not using pam, and there's an OLD comment in the config: # Experience says we need an empty passdb - passwd group: which is followed by passdb passwd{}. Later, there's "userdb passwd {}. All of that was configured long ago and has been functional. The changes I've made to add sasl support primarily pertain to the "socket listen section of "auth default". There, the master section remains commented out while the client section has been uncommented, the path set to /var/spool/postfix/private/auth, mode set to 0660, and the user and group have been set to postfix. ...This is all as described here: http://www.postfix.org/SASL_README.html and http://wiki.dovecot.org/HowTo/PostfixAndDovecotSASL That's it for Dovecot. Now, to Postfix itself. >From the working environ, only listening on port 25, I simply added the following (as per directions already cited above): smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes broken_sasl_auth_clients = yes smtpd_sasl_security_options = noanonymous, noplaintext smtp_sasl_security_options = noanonymous, noplaintext smtpd_sasl_tls_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous And, of course, permit_sasl_authenticated was added to smtpd_recipient_restrictions. I got the impression from the baove sources that Postfix will then use Dovecot's authentication mechanism via a socket it finds in its private/auth subdirectory. NOT documented in any of those places, someone suggested I must turn on TLS. OK... The documentation found here: http://www.postfix.org/TLS_README.html claims (intimates) that it's not possible to run a site on a self-signed certificate, however, there's ZERO budget for a signed certificate, so unless I can get one for ten bucks somewhere, that could be a deal-breaker here. However, we've been using self-signed certificates for a while now and wonder why an "exception" mechanism wouldn't exist. As that web page talks about "Netscape" I suspect it's very old and may no longer apply. In any event, I tried this, too (after trying without). On the good side, an available Android phone, previously reading fine, but unable to send, no longer complained when the setup was changed to the imap username and password, same server address, TLS security type, and the server port of 25. HOWEVER, no mail has passed through it successfully, it just gives no error whatsoever, so far, while the server's log reports "Relay access denied." Notably, when setting up TLS, Postfix complained when the smtpd_tls_key_file was incorrect, but did not complain when it was provided properly, suggesting it's reading and accepting my self-signed certificate and private key. Ideas, please?! And, by the way, what's port 465 all about? Some clients propose that's what should be used to send... Thanks in advance for your help, Richard

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[Dovecot] mdbox + gzip and rsync
by Jean-Daniel Beaubien 12 Mar '12

12 Mar '12

Hi, After reading the following paragraph from the dovecot doc, I've been wondering how it would affect rsync (when combined with gzip): "Expunging a message only decreases the message's refcount. The space is later freed in "purge" step. This is typically done in a nightly cronjob when there's less disk I/O activity. The purging first finds all files that have refcount=0 mails. Then it goes through each file and copies the refcount>0 mails to other mdbox files (to the same files as where newly saved messages would also go), updates the map index and finally deletes the original file. So there is never any overwriting or file truncation." How will the mailbox files (m.X) files be modified when I move or delete emails using mdbox+gzip. Will the resulting gzipped mdbox files be rsync-able or will they need a full re-upload? If I plan on using rsync for backups, am I better off not using the gzip feature (if i can spare the extra storage)??? Thanks, -JD

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[Dovecot] dot named folders
by Micah Anderson 12 Mar '12

12 Mar '12

When a user makes a folder called 'x.y' it actually creates a folder called 'x' with a folder called 'y' inside, rather than a folder called 'x.y'. I'm guessing this has to do with an internal folder separator namespace configuration, but I'm a bit confused by how this works. I'm using 2.0.15 with mdbox and this is what I have configured for my namespaces: namespace { separator = . prefix = inbox = yes } namespace { separator = . prefix = INBOX. inbox = no hidden = yes list = no } I migrated from courier maildirs, so perhaps I no longer need some of these now that the conversion is finished? thanks for any suggestions, I've got my head mixed up on this issue, micah --

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[Dovecot] Extracting mbox format from Dovecot IMAP (mdbox)
by Giles Coochey 12 Mar '12

12 Mar '12

Hi, I'm looking for a quick tool that can connect to my IMAP account grab all the messages in a particular folder and dump them to a mbox format file? Anyone know a quick easy tool to do that? This is a spam folder that I'd like to do some Bayes spam learning on, but since I've migrated to mdbox I don't think I can do this directly on the mailbox. Any thoughts appreciated. -- Best Regards, Giles Coochey NetSecSpec Ltd UK Mobile: +44 7983 877 438 Business Email: giles.coochey(a)netsecspec.co.uk Email/MSN/Live Messenger: giles(a)coochey.net Skype: gilescoochey

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Re: [Dovecot] Question about folder creation/delete and logging
by Maria Arrea 12 Mar '12

12 Mar '12

mail_log plugin is just what we need, thank you for your support. Yes, we are using bacula+doveadm import for this project. If you are interested, we have in production an home-brew message-tracking system for our end-users. We parse qmail / postfix / clamav / spamassassin/ dovecot / sieve logs and insert them in a mysql database, and a logged user in our webapp can see what happened with her mails (sent mails or messages waiting for arrival). Affero GPL software, of course. Some screenshots (Spanish only, sorry) here: https://gestionproyectos.us.es/attachments/download/321/Seguimiento_de_mens… https://gestionproyectos.us.es/attachments/download/145/Captura_de_pantalla… https://gestionproyectos.us.es/attachments/download/156/Seguimiento_de_mens… URL of the project (Seguimiento, spanish word for "tracking"): https://gestionproyectos.us.es/projects/seguimiento Regards Maria ----- Original Message ----- From: Timo Sirainen Sent: 03/12/12 02:04 PM To: Maria Arrea Subject: Re: [Dovecot] Question about folder creation/delete and logging On Mon, 2012-03-12 at 12:56 +0100, Maria Arrea wrote: > > - Is there any way of Dovecot logging to write when a folder is > deleted or created? We do not want to increase too much our "normal" > logging level. We use Dovecot 2.0.18+mdbox+zlib You can configure mail_log plugin to only log mailbox creations and deletions. http://wiki2.dovecot.org/Plugins/MailLog > - Does anybody know of any other project to create an easy-restore > for Dovecot? I guess you're using "doveadm import"? So other than that, haven't heard of any.

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[Dovecot] Question about folder creation/delete and logging
by Maria Arrea 12 Mar '12

12 Mar '12

Hello We are working in a web based restore system for our Dovecot users. In this web form a user must log-in and after successful login can estore a deleted folder from date X. We will release it under the GPL. I have a couple of questions: - Is there any way of Dovecot logging to write when a folder is deleted or created? We do not want to increase too much our "normal" logging level. We use Dovecot 2.0.18+mdbox+zlib - Does anybody know of any other project to create an easy-restore for Dovecot? Regards Maria

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[Dovecot] Dovecot LDA breaking .qmail forwarding?
by Wouter van der Schagt 12 Mar '12

12 Mar '12

Good morning all, I've a problem, I'm using the Dovecot LDA in my .qmail file: |/var/qmail/bin/preline -f /usr/local/libexec/dovecot/deliver -d $EXT@$USER However when I add a forward, such as: |/var/qmail/bin/preline -f /usr/local/libexec/dovecot/deliver -d $EXT@$USER <mailto:&wouter@vdschagt.com> &wouter(a)vdschagt.com The mail isn't forwarded and stays in the queue on the mail server, the same is the case when I reverse the lines. The error in the log file is: @400000004f5de5f7033bc434 delivery 824026: deferral: qmail-inject:_fatal:_qq_trouble_creating_files_in_queue_(#4.3.0)/system_erro r_calling_qmail-inject/ When using another LDA, for example when specifying the Maildir, it works, but then i cannot use Sieve scripts. Any ideas? Am I doing anything wrong? Sincerely, - Wouter van der Schagt

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[Dovecot] nfs error fcntl(read-lock) locking failed for file
by Rajesh M 10 Mar '12

10 Mar '12

hi i am using qmailtoaster with dovecot version 2 mailbox format is maildir i have a domain with around 5000 users which are distributed over 2 servers webmail (squirrelmail) runs using dovecot v2 is being used from server number one server number 2 had all the data stored in it and also has pop and smtp running from it. i am not using dovecot for pop as yet on the server with dovecot i get such errors in the log file access to data on server number 2 is via nfs on server number 1 i get errors as such Error: fcntl(read-lock) locking failed for file Input/output error squirrelmail gives error imap connection closed and i am not able to login so i set the parameters as such in the dovecot conf file and the error stopped mmap_disable=yes dotlock_use_excl = yes lock_method = dotlock can somebody please advise me if the above is correct ? or is it preferred to use fcntl with lockd (note that my mailbox is maildir format) thanks very much for your help rajesh

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[Dovecot] Lock down Shared Mail Accounts?
by Charles Marcus 10 Mar '12

10 Mar '12

On 3/5/2012 1:30 PM, Steve Campbell wrote: > I've been looking at some documentation on shared mail accounts. > But I'm getting mixed thoughts on how this can or should be done. This brings up a question I have been meaning to ask. One thing I want to do on my new converted system is to implement shared mail. There will be two different scenarios - users sharing 'folders', which looks to be fairly simple using virtual ACL files - but for the other scenario, I'm not sure about a specific requirement we will have... I want to give multiple people shared access to some actual accounts with all of the special use folders, with the following requirements: 1. They can all read/reply to new messages as they come in, 2. They use shared \seen, \replied and \forwarded flags, so once someone else has read/dealt with a message, the others see that, 3. When they reply to/forward a message, the Sent message gets saved to that accounts 'Sent' folder, 4. They can *move* messages to other folders in that account (ie, 'file' them), and last (this is the tricky part) 5. No one other than a designated user or users (Master User(s)? Users in a specified Group?) can delete any messages in this account, in any of the folders. These emails deal with financial transactions (AP and AR issues) and Faxes, thus the requirement to not be able to delete them. Can this be accomplished with the current state of things? Or would this require some coding? If the latter, could it be done as a plug-in, or would it require changes to the core code? Thanks, -- Best regards, Charles

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Re: [Dovecot] dovecot Digest, Vol 107, Issue 20 Fscking warnings
by Stephen Davies 10 Mar '12

10 Mar '12

Yes that is the google thread that I saw. I don't see the relevance of your reference to dsync. As I read the man pages for dsync it is used to sync separate servers, to make backups or to convert mailbox formats. When I upgraded from 1.2.15 to 2.1.1 I saw nothing in the doco to suggest that dsync was relevant to my scenario. In a previous thread here (Log sync errors), Timo suggested that the migration fix was to delete all .imap directories. My understanding was that this should fix any differences between 1.2.15 files and 2.1.1. If that were the case, mentioning the migration again would seem irrelevant. However, it seems that deleting the .imap files did not fix the log sync errors or the fscking warnings. Both are still happening continuously. Cheers, Stephen On Thu, 8 Mar 2012 08:26:55 PM dovecot-request(a)dovecot.org wrote: > Date: Wed, 07 Mar 2012 15:03:35 -0600 > From: Stan Hoeppner <stan(a)hardwarefreak.com> > To: dovecot(a)dovecot.org > Subject: Re: [Dovecot] Fscking warnings > Message-ID: <4F57CD27.3000207(a)hardwarefreak.com> > Content-Type: text/plain; charset=ISO-8859-1 > > On 3/6/2012 5:07 PM, Stephen Davies wrote: > > Google tells me that these "should go away" but they don't. > > > > > > > > Seems to happen continuously while a user is viewing email. > > Is this thread what "Google tells you"? > > http://dovecot.org/list/dovecot/2010-October/053909.html > > Timo is the creator of Dovecot, if you didn't know. So you can take his > words for gospel. Also note his last statement in that thread: > > "The next time you could do it with dsync to avoid these kind of > problems." > > It would seem you omitted a very important detail from your problem > report, which is that you recently performed a migration. Please don't > omit such critical details in future requests for help. Provide as much > relevant detail as possible. This speeds the process up for everyone, > and avoids guesswork on our part. > > -- > Stan > > > ------------------------------ > > Message: 10 > Date: Thu, 8 Mar 2012 00:26:55 +0100 > From: "Marc" <M.Roos(a)roosit.eu> > To: <dovecot(a)dovecot.org> > Subject: [Dovecot] FW: Centos 6 + dovecot 2 + mail.app + imap -- ============================================================================= Stephen Davies Consulting P/L Voice: 08-8177 1595 Adelaide, South Australia. Fax : 08-8177 0133 Records & Collections Management. Mobile:040 304 0583

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[Dovecot] POP3C storage backend
by Tom Talpey 10 Mar '12

10 Mar '12

I see a new "POP3C" lib-storage client backend in dovecot 2.1, but I don't see anything in the 2.1 doc directory or in the wiki. Can this be used to synchronize dovecot with external pop servers? Doing away with my current fetchmail and lmtp solution for this would be quite interesting. Thanks for any pointers to configuring and using this, if so...

2 1

[Dovecot] Fscking warnings
by Stephen Davies 10 Mar '12

10 Mar '12

Google tells me that these "should go away" but they don't. Seems to happen continuously while a user is viewing email. Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Archive/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Davies/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/FieldNET/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Invoices Out/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Lawrence and Hanson/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Logger Call/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Logger Reset/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/River Murray/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/SMS Emails/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Soil Moisture Alert/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Water Management Alarm/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Water Usage/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Weather Summaries/dovecot.index Mar 7 09:29:52 server dovecot: imap(john): Warning: fscking index file /home/john/Mail/INBOX/.imap/Zerna/dovecot.index -- ============================================================================= Stephen Davies Consulting P/L Voice: 08-8177 1595 Adelaide, South Australia. Fax : 08-8177 0133 Records & Collections Management. Mobile:040 304 0583

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[Dovecot] Single instance storage
by Jean-Daniel Beaubien 10 Mar '12

10 Mar '12

I have read most of the doc on the dovecot website, and couldn't find any info on the single instance storage feature, so I'm posting my questions here. - Are these 3 parameters the only one necessary for single instance storage? I cannot find any doc on this feature on the website; is there anything specific I need to know about them? (the last one isn't exactly self-explanatory). - mail_attachment_dir = /srv/vmail/attachments - mail_attachment_hash = %{sha256} - mail_cache_min_mail_count = 2 - Is this feature ready for production? Thanks, -JD

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[Dovecot] migrating/converting from system users -> virtual users
by Steve Platt 10 Mar '12

10 Mar '12

Hello all, We currently have a traditional mail server where all users have system accounts (ie entries in the NIS passwd map) and mbox-format mail folders in their (system) home directories. I'm trying to setup a dovecot server in which we want all users to have "virtual" accounts (in dovecot) and no entry in the passwd file at all (ie no access to the mail server). This is for security reasons, we want to imagine that users connecting to the mail server in future will not be able to access any resources on the server other than access their email messages. To this end we've set up a "vmail" user that owns all the messages in the Maildir directories. Most of this is working but I'm stuck on how to convert users' mail folders from the existing setup to the new one. I'm using the convert plugin but of course the problem is that the plugin executes as the "vmail" user and cannot access the existing mail folders that belong to the users: and I'd be worried if it could, of course! So I've converted a few users already by making copies of their old-world mailboxes, changing the ownership of the copies and pointing the convert plugin to these copies, instead of the originals. This works (modulo the dreaded "timeouted" error messages) but is very ugly. So I tried looking at the convert-tool but can't find a man page for it so am not sure what I'm doing with it! I have the idea that I should be able to run some command (as a privileged user) on the mail server and have it do the conversion for me, changing the ownership/permissions on the way. Can convert-tool do this? I'd prefer to go with the automatic (plugin) conversion if I can bodge the ownership issues somehow. Failing that, some tool or script may be the next best answer. This is Dovecot 1.2 by the way on Solaris 10. Any suggestions would be welcome! Steve Platt

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[Dovecot] Whether the THREAD command support cross-mailbox thread?
by Andy YB Hu 10 Mar '12

10 Mar '12

In the real world, the mails which belongs to one thread could be dispersed in different mailbox, at least Inbox and SENT, so whether the command can search different mailboxes and grap them in one talk with dovecot? If Not, any other approach to do that? BTW, what the THREAD=REFS stands for? In the RFC, http://tools.ietf.org/html/rfc5256, i didn't find this algorithm.

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[Dovecot] Advise on upgrading from a jurassic version - please help.
by Martin Mielke 10 Mar '12

10 Mar '12

Hi all, I have inherited an old Dovecot installation which is causing headaches almost every day. I know that one of the rules says "Don't bother asking questions about v0.99.x versions. They're no longer supported."...but please bear with me, this will be quick as I only need some advise from experienced Dovecot gurus out there. I have read the Dovecot documentation and there are instructions to upgrade from 0.99.x to 1.x and so on... my question is: can I upgrade from 0.99.11 to 2.x directly or is it a massive leap? If so, what do I have to keep in mind? This is a production system so I should not break anything... or at least have a rollback plan... Thanks a lot in advance! Regards, Martin

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[Dovecot] sieve and utf-7 foldernames
by Andreas Schulze 10 Mar '12

10 Mar '12

Hi all, since many dovecot/pigeonhole versions I have an error: Mails are delivered into wrong folders if the foldername contain a german umlaut. ( ä, ö, ü ) setup: dovecot-2.1.1 / pigeonhole-0.3.0 postfix deliver to dovecot-lda .dovecot.sieve contains this: require ["fileinto","reject","vacation","relational","comparator-i;ascii-numeric","regex"]; if header :contains "To" "green(a)example.org" { fileinto "INBOX.gr&APw-n"; stop; } a mail to the mentioned address produces this logging: Mar 9 22:23:10 test dovecot: lda(foo): save: box=INBOX.gr&APw-n, uid=2, msgid=<4711(a)example.org>, size=4642 also a mail_debug=yes log no more lines related to the foldername but at the end I found the mail not in the expected folder. It places in "INBOX.gr&-APw-n" notice the extra minus after & I think it's pigeonholes fault but I may be wrong ... # doveconf -n # 2.1.1: /etc/dovecot/dovecot.conf # OS: Linux 2.6.26-2-686 i686 Debian 5.0.9 ext3 ... lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes listen = 127.0.0.1, ::1 protocols = " imap sieve" protocol lda { mail_plugins = quota notify mail_log sieve } ... Andreas

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[Dovecot] Has dovecot 2.1.1 been built and tested on AIX 6.1???
by Bennett, Tony 09 Mar '12

09 Mar '12

I have downloaded and built dovecot 2.1.1 using gcc on AIX 6.1. (The output of "dovecot -n" is at the bottom of this email.) I'm trying "baby steps" to get it up, before I give it the final configuration. (My apologies: I was pointed to RFC3501 and told to get an IMAP server, build it, configure it, and bring it up) What is currently occurring when I start dovecot is: Error: service(pop3-login): listen(::, 110) failed: Address already in use Error: service(pop3-login): listen(::, 995) failed: Address already in use Error: service(imap-login): listen(::, 143) failed: Address already in use Error: service(imap-login): listen(::, 993) failed: Address already in use Fatal: Failed to start listeners Using TRUSS and recompiling with log messages I've determined that dovecot is successfully creating and binding to AF_INET sockets... but is failing when trying to do the "bind" the same port to an AF_INET6 socket. The failure is "EADDRINUSE". The logic in the dovecot sources seems driven off of the define of HAVE_IPV6 (defined in config.h by configure) So, the questions I have are: - Is this the correct behavior - If this is the correct behavior, has this been tested against AIX 6.1, and if so, does anyone have an idea of what I did wrong...??? If it has not been tested against AIX 6.1 and is NOT the correct behavior, should I just change "config.h", and undefined HAVE_IPV6 ... or is there a better way to move beyond this issue... (like a change to "configure")??? Thanks, -tony Here is the output of "dovecot -n": # 2.1.1: /attic/usr/local/etc/dovecot/dovecot.conf # OS: AIX 1 00C30F654C00 default_login_user = dovecot disable_plaintext_auth = no namespace { inbox = yes location = mailbox { special_use = \Drafts name = Drafts } mailbox { special_use = \Junk name = Junk } mailbox { special_use = \Sent name = Sent } mailbox { special_use = \Sent name = Sent Messages } mailbox { special_use = \Trash name = Trash } prefix = name = inbox } passdb { args = scheme=CRYPT username_format=%u /attic/usr/local/etc/dovecot/users driver = passwd-file } service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap { name = imap-login } service login/imap { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service login/ssl-params { name = ssl-params } service stats-mail { name = stats } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { args = username_format=%u /attic/usr/local/etc/dovecot/users driver = passwd-file } protocol lmtp { service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap { name = imap-login } service login/imap { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service login/ssl-params { name = ssl-params } service stats-mail { name = stats } } protocol lda { service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap { name = imap-login } service login/imap { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service login/ssl-params { name = ssl-params } service stats-mail { name = stats } } protocol pop3 { service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap { name = imap-login } service login/imap { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service login/ssl-params { name = ssl-params } service stats-mail { name = stats } } protocol imap { service anvil-auth-penalty { name = anvil } service auth-worker { name = auth-worker } service auth-client { name = auth } service config { name = config } service dict { name = dict } service login/proxy-notify { name = director } service dns-client { name = dns_client } service doveadm-server { name = doveadm } service imap { name = imap-login } service login/imap { name = imap } service indexer-worker { name = indexer-worker } service indexer { name = indexer } service ipc { name = ipc } service lmtp { name = lmtp } service log-errors { name = log } service pop3 { name = pop3-login } service login/pop3 { name = pop3 } service login/ssl-params { name = ssl-params } service stats-mail { name = stats } }

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Re: [Dovecot] disabling SSLv2 in dovecot 1.2.17
by Steve Platt 09 Mar '12

09 Mar '12

Hi Mark, I think I may not have been clear enough in my query, sorry! What I'm trying to do is to prevent SSLv2 connections being made to our IMAP server while allowing SSLv3 and TLSv1 connections. I think I've prevented the use of SSLv2 ciphers but this does not prevent SSLv2 protocol connections (as far as I can tell). (Once connected, the SSLv2 client finds it has no ciphers so the session fails at that point but this is not enough to satisfy our security audit. I want to disable the use of the SSLv2 protocol itself, not just the SSLv2 ciphers) steve.platt(a)mrc-bsu.cam.ac.uk said: > I see Dovecot2 had the following change a year or so ago, in file src/ > login-common/ssl-proxy-openssl.c: > > - SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL); > + SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL | SSL_OP_NO_SSLv2); > > I tried making the same change to dovecot1's src tree on our test system and > it seems to have the desired effect ... I'm testing this by using: openssl s_client -ssl2 -connect mailhost:993 This should fail immediately with "ssl handshake failure" (for a happy audit!). Thanks again, Steve

1 0

[Dovecot] seeking advice: dovecot versions; mailbox formats.
by Vincent Schut 09 Mar '12

09 Mar '12

Hi, I'm currently migrating our old (colocated) mail server (running a [terribly outdated, I know] dovecot 1.1.11) to a new VPS (virtual private server). The old server was running gentoo linux (which is mainly the culprit of the old dovecot version: gentoo was too much trouble to keep updating); the new server will run debian (stable: 6). Debian currently has dovecot 1.2.15 in its repositories; not that much newer... I read in the docs about the auto-generated-from-hg debian dovecot packages for 2.0, 2.1 and 2.2. Which leaves me to the choice what version to use... OK, 2.2 is development, which leaves the choice to: 1.2.15; 2.0.x, or 2.1.x. I would appreciate any consideration or thoughts on what version to choose. On a related note, there is the possibility to switch from maildir to dbox. I did not really find much pros or cons, except from performance and standards-compliance (ability to use e.g. mutt on the server itself). Any thoughts? About the server: we're just a small company. Think about 15 accounts, normal mail traffic, sometimes relatively large attachments (20mb+). Some accounts have many folders; some accounts are very large (5Gb+). Storage is on ext3, raid10. Performance has never been an issue; reliability and ease of maintenance is more important. Thanks, Vincent Schut.

5 7

[Dovecot] disabling SSLv2 in dovecot 1.2.17
by Steve Platt 09 Mar '12

09 Mar '12

I've set up a list of ciphers that excludes SSLv2 ciphers (and other weak ones) in the hope of preventing SSLv2 connections: ssl_cipher_list = TLSv1+HIGH : !SSLv2 : RC4+MEDIUM : !aNULL : !eNULL : !3DES : @STRENGTH However, this doesn't prevent the SSLv2 connection being allowed as our Nessus scans show and I'm tasked with trying to plug that "hole". I see Dovecot2 had the following change a year or so ago, in file src/login-common/ssl-proxy-openssl.c: - SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL); + SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL | SSL_OP_NO_SSLv2); I tried making the same change to dovecot1's src tree on our test system and it seems to have the desired effect; however I am very hesitant about putting this into our production system without seeking advice here first :-) Have I missed anything that's obviously bad about doing this please? Thanks again, Steve Platt

2 1

[Dovecot] [PATCH] Pop3 order in courier migration script
by Christoph Bußenius 08 Mar '12

08 Mar '12

Hi, I found a problem in the courier conversion script (courier-dovecot-migrate.pl). In some cases, it does not correctly preserve the order of POP3 UIDLs. Consider the following case, when courierpop3dsizelist contains: /2 9000 1327481629 AAA1:2,S 10000 21:1327481629 AAA2:2,S 10000 22:1327481629 AAA3:2,S 10000 23:1327481629 AAA4:2,S 10000 24:1327481629 AAA5:2,S 10000 25:1327481629 BBB11:2,S 10000 11:1327481629 BBB12:2,S 10000 12:1327481629 BBB13:2,S 10000 13:1327481629 BBB14:2,S 10000 14:1327481629 BBB15:2,S 10000 15:1327481629 and courierimapuiddb contains: 1 1327480919 9000 11 BBB11 12 BBB12 13 BBB13 14 BBB14 15 BBB15 16 CCC16 17 CCC17 18 CCC18 19 CCC19 20 CCC20 21 AAA1 22 AAA2 23 AAA3 24 AAA4 25 AAA5 then call courier-dovecot-migrate.pl --to-dovecot --convert and it will create dovecot-uidlist: 3 V1327480919 N9010 21 PUID21-1327481629 W10000 :AAA1:2,S 22 PUID22-1327481629 W10000 :AAA2:2,S 23 PUID23-1327481629 W10000 :AAA3:2,S 24 PUID24-1327481629 W10000 :AAA4:2,S 25 PUID25-1327481629 W10000 :AAA5:2,S 9000 :CCC17 9001 PUID12-1327481629 W10000 :BBB12:2,S 9002 :CCC16 9003 PUID15-1327481629 W10000 :BBB15:2,S 9004 :CCC20 9005 PUID14-1327481629 W10000 :BBB14:2,S 9006 PUID13-1327481629 W10000 :BBB13:2,S 9007 :CCC18 9008 PUID11-1327481629 W10000 :BBB11:2,S 9009 :CCC19 The problem here is that the BBB files are not in the same order as in courierpop3dsizelist, and will therefore have a different order in the UIDL response in POP3. Also, the CCC files are interleaved while they should appear at the end. The reason is how the script assigns new UIDs: It does not do this in the order of courierpop3dsizelist. In fact the order is random because it depends on how perl traverses hashes. The attached patch fixes this by sorting the messages: First the POP3 messages get their new UIDs in order of their appearance in courierpop3dsizelist (so that the UIDL order will really be the same as in Courier), after that, the IMAP-only messages will be checked for UID clashes. The patch also changes how the $prev_uid variable is handled because that was also needed to always get the order right. The algorithm could probably be optimized to reduce the number of UID re-assignments to a minimum, however this would complicate the code and would only be noticed in a few cases. The patched courier-dovecot-migrate.pl will create dovecot-uidlist like this: 3 V1327480919 N9010 21 PUID21-1327481629 W10000 :AAA1:2,S 22 PUID22-1327481629 W10000 :AAA2:2,S 23 PUID23-1327481629 W10000 :AAA3:2,S 24 PUID24-1327481629 W10000 :AAA4:2,S 25 PUID25-1327481629 W10000 :AAA5:2,S 9000 PUID11-1327481629 W10000 :BBB11:2,S 9001 PUID12-1327481629 W10000 :BBB12:2,S 9002 PUID13-1327481629 W10000 :BBB13:2,S 9003 PUID14-1327481629 W10000 :BBB14:2,S 9004 PUID15-1327481629 W10000 :BBB15:2,S 9005 :CCC16 9006 :CCC17 9007 :CCC18 9008 :CCC19 9009 :CCC20 Cheers, Christoph -- Christoph Bußenius Rechnerbetriebsgruppe der Fakultäten Informatik und Mathematik Technische Universität München +49 89-289-18519 <> Raum 00.05.055 <> Boltzmannstr. 3 <> Garching

2 3

[Dovecot] v2.1 latest hg: untagged reply to namespace command
by e-frog 08 Mar '12

08 Mar '12

Hello Timo, There seems to be something broken in v2.1 latest hg version: # 2.1.1 (94de7605f50f) 1 namespace * NAMESPACE (("" "/")("virtual/" "/")) NIL NIL * OK Namespace completed. Please note that the "OK Namespace completed." is send untagged. It worked on below version: # 2.1.1 (315f0d8cc2b2) 1 namespace * NAMESPACE (("" "/")("virtual/" "/")) NIL NIL 1 OK Namespace completed. Thanks, e-frog

1 1

[Dovecot] Shared mboxes
by Steve Campbell 08 Mar '12

08 Mar '12

I've been looking at some documentation on shared mail accounts. But I'm getting mixed thoughts on how this can or should be done. I use mbox for all my pop and imap folders since I've converted from a uw-imap server. The first thing that makes me wonder about setup is that I've been told to not use maildir and mbox on the same machine, although I'm not really sure why since it seems this would work OK, but anyway, I'm guessing I should stick with mbox for the shared accounts. Secondly, I'm sure I'd need a namespace to use which ever format, so there's private, public, and shared types. Most of the stuff I'm reading seems to suggest "public" as a type instead of "shared". So what's shared for anyway? I want to use this shared account so that email can be sent to this account, and be shared by only a few people, but I'm reading where locks and such don't work with mbox, so in my mind, how do you avoid corruption and why not just make a normal account and let people hack away at the data? I've not even got to the questions in my mind about how to set up the account, but figured if I could get the above straight, I might be able to fuddle my way through it. Help would be truly appreciated. steve campbell

2 6

Re: [Dovecot] dsync replication available for testing
by Michael Grimm 08 Mar '12

08 Mar '12

Hi -- On 08.03.2012 12:35, Timo Sirainen wrote: > On Thu, 2012-03-08 at 11:26 +0100, Michael Grimm wrote: > You can do for example: > > service config { > unix_listener config { > user = vmail > } > } I will try that later. >> It seems to me, that whenever a larger number of mails arrive on >> both >> servers simultaneously, the replicator gets into trouble [1]. I am >> unsure if one can expect that a replicator should deal with such >> stress, >> though. Or? > > Were these mails delivered via LMTP or dovecot-lda? LMTP > The locks should prevent duplicates I think, so there's something > still > going wrong. Just to be sure that I didn't misunderstand your proposed configuration: @mx1: plugin { mail_replica = remote:vmail@mx2.example.tld } @mx2: plugin { mail_replica = remote:vmail@mx1.example.tld } I do need to define one mail_replica plugin at each server pointing to the other one, correct? Regards, Michael

1 0

[Dovecot] duplicates with multiple To/CC and sieve redirect copy
by Adam Szpakowski 08 Mar '12

08 Mar '12

Hi, In one installation we are using sieve "redirect :copy" to create copy of the incoming email (local boss gets copy of its employees mails). There is a problem when the incoming email has multiple To/CC entries with local users. Multiple copy/redirects are created (one for each employee) and there are multiple copies in "boss" account. Each of this emails has the same Message-ID. Is there a way to detect those duplicates and discard them when saving copies into boss account? There was a discussion on the list a while ago (Feb 10/11, 2011) mentioning this problem, but with no clear solution. We are using Dovecot 2.0.15. Mail is delivered via LMTP (MDA/postfix is on separate machine then MAA/dovecot). -- Adam Szpakowski

5 10

[Dovecot] Failing: doveadm sync <--remote host--> dsync mirror
by Michael Grimm 08 Mar '12

08 Mar '12

Hi -- I'm used to dsync my two mailservers running 2.0.16. Today, I did upgrade one server to 2.1, and doveadm sync is throwing to following error: mail> doveadm sync -f -u test ssh vmail(a)remote-host.tld dsync -v -f -u test doveadm(test): Fatal: All your namespaces have a location setting. It should be empty (default mail_location) in the namespace to be converted. Same error with old running command: vmail> dsync -v -f -u test mirror ssh vmail(a)remote-host.tld dsync -v -f -u test doveadm(test): Fatal: All your namespaces have a location setting. It should be empty (default mail_location) in the namespace to be converted. Here's an excerpt of my doveconf -n: mail> doveconf -n mail_home = /var/mail/homedirs/%n mail_location = mdbox:/var/mail/maildirs/%n passdb { args = /usr/local/etc/dovecot/dovecot-sql.conf driver = sql } userdb { driver = prefetch } userdb { args = /usr/local/etc/dovecot/dovecot-sql.conf driver = sql } Reverted back for the time being (production servers) until I do understand the issue. Searching Google with "Fatal: All your namespaces have a location setting." only shows closed bugs back in 2010. Do I have to upgrade both servers to get syncing running? Any hint, help is highly appreciated. Thanks, Michael

2 18

[Dovecot] FW: Centos 6 + dovecot 2 + mail.app + imap
by Marc 08 Mar '12

08 Mar '12

Anybody also experiencing that imap processes are kept running/open by mac osx mail.app, so eventually users are getting to the mail_max_userip_connections limit? Outlook / other clients seem to run fine. Thanks, Marc

1 0

[Dovecot] http://xi.rename-it.nl down?
by Jim Knuth 07 Mar '12

07 Mar '12

Hello, you knows, that http://xi.rename-it.nl is down? -- Mit freundlichen Grüßen, with kind regards, Jim Knuth --------- Die Oper ist eine hübsche Unterhaltung, die noch besser wäre, wenn nicht dabei gesungen würde. (Claude Debussy)

2 2

[Dovecot] Log sync errors (again)
by Stephen Davies 07 Mar '12

07 Mar '12

As suggested earlier, I deleted all .imap directories and the log sync errors stopped - for a while. They have now returned. It seems to happen for every mailbox that gets accessed. Dovecot version 2.1.1 with pidgeonhole 3.0.0 on Mandriva Linux. Could this interfere with sieve filters? Several users have filters but none of them seem to do anything. Mar 7 09:25:51 server dovecot: imap(john): Error: Log synchronization error at seq=2,offset=38708 for /home/john/Mail/INBOX/.imap/Weather Summaries/dovecot.index: Extension header update points outside header size Mar 7 09:25:51 server dovecot: imap(john): Error: Log synchronization error at seq=2,offset=41576 for /home/john/Mail/INBOX/.imap/Zerna/dovecot.index: Extension header update points outside header size Cheers and thanks, Stephen -- ============================================================================= Stephen Davies Consulting P/L Voice: 08-8177 1595 Adelaide, South Australia. Fax : 08-8177 0133 Records & Collections Management. Mobile:040 304 0583

1 0

[Dovecot] Master Users
by Kelsey Cummings 06 Mar '12

06 Mar '12

I have a setup where I need to use a Master User account to login on behalf of users normally authed via PAM. Is there any existing mechanism that will allow master users to be wired down to specific ip address rather than having these very magic user/pass combos be valid from any random host? It would be totally acceptable to be able to say that master logins were only valid from a specific list of hosts rather than wiring specific master users to specific hosts. -- Kelsey Cummings - kgc(a)corp.sonic.net sonic.net, inc. System Architect 2260 Apollo Way 707.522.1000 Santa Rosa, CA 95407

1 1

[Dovecot] Dovecot saves mails in "wrong" folder.
by Khoroshyy Petro 06 Mar '12

06 Mar '12

Hi all I have installed dovecot 1.2.15 and try to use it together with offlineimap and gnus. my problem is that it saves emails into /var/mail/petro instead of ~/Maildir Thanks. Petro. This is my .dovecot.conf default_mail_env = maildir:%h/Maildir And this is my .offlineimaprc [general] accounts = Gmail maxsyncaccounts = 1 [Account Gmail] localrepository = Local remoterepository = Remote [Repository Local] type = IMAP remotehost = localhost port = 143 remoteuser = petro [Repository Remote] type = IMAP remotehost = imap.gmail.com remoteuser = myname(a)gmail.com ssl = yes maxconnections = 1 realdelete = no folderfilter = lambda foldername: foldername in ['INBOX'] --

1 0

[Dovecot] LDAP auth_bind fails
by Pol Bettinger 06 Mar '12

06 Mar '12

Hello, I wanted to configure dovecot for using auth_bind but didn't succeed to me it seems like it does always an anonymous bind. Dovecot version 2.1.1 (I started with 2.1.0 and hoped 2.1.1 would fix it) I tried to play around with the base, pass_attrs,pass_filter to no avail but didn't succeed. Looking at a wireshark trace i only saw 7 packets and it seemed to me dovecot did only an anonymous bind. any help would appreciated Sincerely Pol Bettinger output of mail.log: Mar 6 12:16:34 Dell dovecot: auth: Debug: client in: AUTH#0112#011CRAM-MD5#011service=imap#011secured#011lip=192.168.16.27#011rip=192.168.16.20#011lport=993#011rport=51838 Mar 6 12:16:34 Dell dovecot: auth: Debug: client out: CONT#0112#011PDQ1NjgyMjE3NjYyMDk3NjkuMTMzMTAzMjU5NEBEZWxsPg== Mar 6 12:16:34 Dell dovecot: auth: Debug: client in: CONT<hidden> Mar 6 12:16:34 Dell dovecot: auth: Debug: password(arvi(a)arvoreen.net,192.168.16.20): passdb doesn't support credential lookups Mar 6 12:16:36 Dell dovecot: auth: Debug: client out: FAIL#0112#011user=arvi(a)arvoreen.net output of dovecot -n: # 2.1.1: /etc/dovecot/dovecot.conf # OS: Linux 3.0.0-15-generic i686 Ubuntu 11.10 ext4 auth_debug = yes auth_default_realm = arvoreen.net auth_mechanisms = plain digest-md5 cram-md5 auth_verbose = yes base_dir = /var/run/dovecot/ mail_location = maildir:/var/mail/%d/%1n/%n:INDEX=/var/indexes/%d/%1n/%n managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave namespace inbox { inbox = yes location = mailbox Archive { auto = create special_use = \Archive } mailbox Drafts { auto = create special_use = \Drafts } mailbox Junk { auto = create special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = create special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-ldap_pass.conf.ext driver = ldap } plugin { sieve = /var/sieve/%d/%1n/%n sieve_dir = /var/sieve/%d/%1n/%n } protocols = imap lmtp sieve service managesieve-login { inet_listener sieve { port = 4190 } } ssl_cert = </etc/ssl/certs/webmail.arvoreen.pem ssl_key = </etc/ssl/private/webmail.arvoreen.key userdb { args = /etc/dovecot/dovecot-ldap_user.conf.ext driver = ldap } protocol lmtp { mail_plugins = " sieve" } output of cat /etc/dovecot/dovecot-ldap_pass.conf.ext: hosts = 127.0.0.1:389 auth_bind = yes auth_bind_userdn = uid=%n,ou=Users,dc=arvoreen,dc=net base = ou=Users,dc=arvoreen, dc=net ldap_version = 3 olcAccess infomation: olcSuffix: dc=arvoreen,dc=net olcAccess: {0}to attrs=userPassword,shadowLastChange by self write by anonymou s auth by dn="cn=admin,dc=arvoreen,dc=net" write by * none olcAccess: {1}to dn.base="" by * read olcAccess: {2}to * by self write by dn="cn=admin,dc=arvoreen,dc=net" write by * read

2 1

[Dovecot] dovecot 2.1.1 + pigeonhole + avelsieve
by Frank Elsner 06 Mar '12

06 Mar '12

Hello all, I've squirrelmail-webmail-1.4.22, dovecot 2.1.1, dovecot-2.1-pigeonhole-0.3.0 installed and working. But I've problems to get the avelsieve plugin for squirrelmail working with dovecot. The "Message Filters" show up in "Options" of squirrelmail, but "Could not log on to timsieved daemon on your IMAP server ........." dovecot log shows: Mar 6 00:00:47 seymour dovecot: managesieve-login: Disconnected: Too many invalid commands. (no auth attempts in 0 secs): 192.168.28.53, secured Where to look for configuration error(s)? | root@seymour: /usr/local/dovecot/src<156> dovecot -n | # 2.1.1: /usr/local/dovecot/etc/dovecot/dovecot.conf | # OS: Linux 2.6.35.14-106.fc14.i686.PAE i686 Fedora release 14 (Laughlin) ext3 | default_vsz_limit = 512 M | disable_plaintext_auth = no | first_valid_uid = 200 | last_valid_uid = 65534 | listen = * | lmtp_save_to_detail_mailbox = yes | login_greeting = c64.shuttle.de - IMAPs Service (dovecot) ready. | login_log_format_elements = %u %r %c | mail_location = maildir:/var/spool/mail/%u | mail_log_prefix = "%Us(%u,%r): " | mail_plugin_dir = /usr/dovecot/lib/dovecot/ | mail_plugins = " notify quota" | managesieve_notify_capability = mailto | managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave | passdb { | args = dovecot | driver = pam | } | plugin { | mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename flag_change append | mail_log_fields = uid box from subject msgid size flags | mail_log_group_events = yes | quota = maildir:User quota | quota_rule = *:storage=2G | quota_rule2 = Trash:storage=+100M | sieve = ~/.sieve | sieve_dir = ~/sieve | } | postmaster_address = postmaster(a)moltke28.b.shuttle.de | protocols = imap sieve | service anvil { | client_limit = 1027 | } | service auth { | unix_listener auth-client { | group = exim | mode = 0660 | user = exim | } | } | service imap-login { | inet_listener imap { | port = 143 | } | inet_listener imaps { | port = 993 | ssl = yes | } | process_limit = 512 | process_min_avail = 10 | } | service imap-postlogin { | executable = script-login /usr/dovecot/bin/imap-post-login | } | service imap { | executable = imap imap-postlogin | } | service lmtp { | inet_listener lmtp { | address = 0.0.0.0 | port = 24 | } | } | service managesieve-login { | inet_listener sieve { | port = 4190 | } | } | service pop3-login { | inet_listener pop3 { | port = 110 | } | inet_listener pop3s { | port = 995 | ssl = yes | } | } | service pop3 { | process_limit = 1024 | } | ssl_cert = </usr/local/etc/c64.shuttle.de.CRT | ssl_cipher_list = ALL:!LOW:!SSLv2 | ssl_key = </usr/local/etc/c64.shuttle.de-dovecot.KEY | ssl_parameters_regenerate = 6 hours | userdb { | driver = passwd | } | verbose_proctitle = yes | protocol lmtp { | mail_plugins = " notify quota quota" | } | protocol lda { | mail_plugins = " notify quota quota" | } | protocol imap { | imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags | imap_logout_format = [%i/%o] | mail_max_userip_connections = 0 | mail_plugins = " notify quota mail_log quota imap_quota listescape" | } And the avelsieve config.php has: | /* **** NEW OPTION (as of 0.9.4) **** | * Space separated list of preferred SASL mechanisms for the authentication to | * timsieved */ | | $preferred_mech = "PLAIN"; Ok, looking forward for any tip, Frank Elsner

2 1

[Dovecot] Concurrent dovecot instances on same spool?
by Jacek Osiecki 06 Mar '12

06 Mar '12

Hi all, While reading the "Multiple locations, 2 servers - planning questions..." thread, it just hit me that I was planning to do something that seems to be a bit hazardous... I am setting up an high-availability server set, which consists of two (or more) servers with common disk space, all set behind redundant hardware load balancers. At first, there will be two servers and disk space will be kept on NFS server or on both servers using DRBD+OCFS2 filesystem (what creates kind of networked RAID1 storage space). This will be done mostly to keep WWW service available in case when one of servers fails. However, if we have everything redundant, why not have the same with SMTP and POP3/IMAP? But - won't anything fail if two (or more) dovecots are accessing the same disk space, both for IMAP/POP3 and LDA/LMTP? If it is possible, that would be a good solution for the mentioned thread. If not - where are possible dangers, and are there any plans to make it possible in the future? Greetings, -- Jacek Osiecki joshua(a)ceti.pl GG:3828944 I don't want something I need. I want something I want.

3 4

[Dovecot] testing fts-solr?
by Jean-Daniel Beaubien 05 Mar '12

05 Mar '12

hi everyone, However, how can I verify that solr is working properly? Background: - I'm trying to setup 2.1 with fts_solr and eventually test maildir/mdbox. - I used the following webpage as reference to setup solr: http://www.roessner-network-solutions.com/2012/02/19/full-text-search-with-… I'm looking at /var/log/tomcat6/catalina.out file, but see nothing telling me that it's being used (same for /var/log/mail.log, etc.) Any tips? Thanks

10 34

[Dovecot] \NoSelect on missing folders in LIST
by Peter Mogensen 05 Mar '12

05 Mar '12

Hi, I noticed a difference between courier and dovecot, and I'm not sure which of them is wrong wrt. RFC3501 - if any. I have a Maildir which has been accessed by an Apple Mail client, so it got folders like: INBOX INBOX.Trash INBOX.INBOX.folder INBOX.INBOX.folder.a INBOX.INBOX.folder.b The INBOX.INBOX folder does not exist on disk and is not subscribed. Courier responds to: . list "" "*" with * LIST (\Noselect \HasChildren) "." "INBOX.INBOX" But dovecot does not list that folder using "*". However, if you issue: . list "" "INBOX.%" Dovecot answers: * LIST (\Noselect \HasChildren) "." "INBOX.INBOX" This makes some clients using "*" to get the folder list ignore the folderes below "INBOX.INBOX". I know the recommended client way is to use "%", but I'm still curious about which is the correct behaviour. /Peter

2 3

[Dovecot] GSSAPI auth failing for kmail
by Mark Davies 05 Mar '12

05 Mar '12

Hi, have dovecot 2.0.13 running fine on a NetBSD box, with lots of clients happily authenticating to it with GSSAPI. I've just updated an ArchLinux box to latest new version which has meant its switched from using heimdal to using mit krb5 and its kmail is now also slightly newer. Thunderbird successfully authenticates to dovecot from this machine but kmail now fails. Kmail reports: Unable to authenticate via GSSAPI. The server ... replied: SASL(-1): generic failure: GSSAPI Error: Invalid token was supplied (Token header is malformed or corrupt) The dovecot log reports: Feb 27 13:42:18 bats dovecot: auth: GSSAPI(mark(a)ECS.VUW.AC.NZ,130.195.5.88): Invalid base64 data in continued response Any suggestions on how to track down what specifically has changed and how to fix it? cheers mark

2 11

Re: [Dovecot] testing fts-solr?
by Charles Marcus 05 Mar '12

05 Mar '12

On 2012-03-05 3:43 AM, kadafax(a)gmail.com <kadafax(a)gmail.com> wrote: > Le 02/03/12 13:40, Charles Marcus a écrit : >> On 2012-02-28 11:28 AM, Charles Marcus <CMarcus(a)Media-Brokers.com> wrote: >>> On 2012-02-28 11:05 AM, kfx <kadafax(a)gmail.com> wrote: >>>> Ok I feel ashame... it was a third party init scrip who was the >>>> problem :( >>> So... you're saying that Thunderbird now correctly uses server side >>> search? >> Please respond... I need to know whether or not I need to pursue this, >> since we use Thunderbird in house and will be switching soon to >> dovecot... > Yes, for me thunderbird correctly use server side search. Just got confirmation from the OP that his problem with Thunderbird indeed is now gone, so it was a 3rd party init script causing his problems... One less thing to worry about... -- Best regards, Charles

1 0

[Dovecot] 1.0beta to latest and greatest?
by Charles C 05 Mar '12

05 Mar '12

dear dovecot users, This is my first post and with a rather embarassing question. To soften the question up I just want to say I've been very pleased with Dovecot thus far and its low maintenance requirements - perhaps to pleased! I am running an ancient version of Dovecot, version 1.0.beta9. Do I risk corrupting indices etc by upgrading in one go to 2.1.2? Thanks for your input. Charles

2 1

[Dovecot] BlackBerry will not setup my POP3 email, all other mail clients fine
by Ian Solecki 05 Mar '12

05 Mar '12

Hello, hoping someone here might be able to help me or at least point me in the right direction. My company recently (last week) moved to a new dedicated server for website and email hosting. It is a fairly run-of-the-mill Linux machine running cPanel and Dovecot (with the BlackBerry Fastmail service enabled) as a mail server. When we first set up the server, I was able to create a mailbox, access it via any desktop mail client, webmail, AND by setting it up as a basic POP3 account on my BlackBerry. Mail was running fine to and from the BlackBerry, no problems. I deleted that account from my BlackBerry as it was a test account, and went to add my actual account but was unable to do so. Received the "Cannot log in. Verify your email address, user name and password. If the error persists, contact (my domain name)" message. I tried the test account that had been running successfully and sending/receiving emails not minutes earlier, and it would not set up either. I have since tried multiple accounts on multiple BlackBerry devices (different models) on multiple carriers on several of my different domains (all of which point to the same server, of course), to no avail. Yet, any of these accounts still work flawlessly in any desktop mail client (Outlook, OE, Thunderbird, iPad, iPhone, etc). Also, any of these BlackBerrys work flawlessly with any other mail server. The username to log in to these mailboxes is not standard, it's mailboxname+ example.com if the email address is mailboxname(a)example.com and the mail server is mail.example.com. So, I know I have to access the "Advanced Settings" in BlackBerry email setup in order to put this username in. Still, no effect. So, there is something wrong with how mail SETUP works (not sending/receiving, though that may also not work, I have no way of knowing now) between RIM and my server, and it's something that has changed since the server was set up a week ago. My carrier(s) are clueless, my dedicated server provider (Lunarpages) is clueless. Can anyone help?

3 2

[Dovecot] doveconf: Warning: Obsolete settings.... in /etc/dovecot/dovecot.conf: ...
by D Chen 05 Mar '12

05 Mar '12

Got duplicated Warnings from the "doveconf -n" output ! Can anyone explain and fix them ? thx! admin@server:/etc/dovecot$ doveconf -n # 2.0.13: /etc/dovecot/dovecot.conf doveconf: Warning: NOTE: You can get a new clean config file with: doveconf -n > dovecot-new.conf doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:716: protocol managesieve {} has been replaced by protocol sieve { } doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:888: add auth_ prefix to all settings inside auth {} and remove the auth {} section completely doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:926: passdb pam {} has been replaced by passdb { driver=pam } doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:1039: userdb passwd {} has been replaced by userdb { driver=passwd } doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:1101: auth_user has been replaced by service auth { user } doveconf: Warning: NOTE: You can get a new clean config file with: doveconf -n > dovecot-new.conf doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:716: protocol managesieve {} has been replaced by protocol sieve { } doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:888: add auth_ prefix to all settings inside auth {} and remove the auth {} section completely doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:926: passdb pam {} has been replaced by passdb { driver=pam } doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:1039: userdb passwd {} has been replaced by userdb { driver=passwd } doveconf: Warning: Obsolete setting in /etc/dovecot/dovecot.conf:1101: auth_user has been replaced by service auth { user } # OS: Linux 3.0.0-16-server x86_64 Ubuntu 11.10 log_timestamp = "%Y-%m-%d %H:%M:%S " mail_location = maildir:~/Maildir mail_privileged_group = mail managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date passdb { driver = pam - Ignored: } passdb { driver = pam } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } protocols = imap pop3 sieve service auth { unix_listener /var/spool/postfix/private/auth-client { group = postfix mode = 0660 user = postfix } unix_listener /var/spool/postfix/private/dovecot-auth { group = postfix mode = 0660 user = postfix } user = root } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_cipher_list = ALL:!LOW:!SSLv2:ALL:!aNULL:!ADH:!eNULL:!EXP:RC4+RSA:+HIGH:+MEDIUM ssl_key = </etc/ssl/private/dovecot.pem userdb { driver = passwd } userdb { driver = passwd } protocol imap { imap_client_workarounds = delay-newmail mail_max_userip_connections = 10 } protocol pop3 { mail_max_userip_connections = 10 pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %08Xu%08Xv } protocol lda { deliver_log_format = msgid=%m: %$ mail_plugins = sieve postmaster_address = postmaster quota_full_tempfail = yes rejection_reason = Your message to <%t> was automatically rejected:%n%r }

4 4

[Dovecot] Log sybnch error
by Stephen Davies 05 Mar '12

05 Mar '12

My mail log has many entries like: Mar 2 12:34:13 server dovecot: imap(john): Error: Log synchronization error at seq=2,offset=4264 for /home/john/Mail/INBOX/.imap/SMS Emails/dovecot.index: Extension header update points outside header size Version 2.1.1 dovecot -n gives: # 2.1.1: /usr/etc/dovecot/dovecot.conf # OS: Linux 2.6.33.5-desktop-2mnb i686 Mandriva Linux 2010.2 mail_access_groups = mail mail_privileged_group = mail passdb { driver = pam } protocols = pop3 imap service anvil { chroot = empty client_limit = 0 drop_priv_before_exec = no executable = anvil extra_groups = group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 1 protocol = service_count = 0 type = anvil unix_listener anvil-auth-penalty { group = mode = 0600 user = } unix_listener anvil { group = mode = 0600 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service auth-worker { chroot = client_limit = 1 drop_priv_before_exec = no executable = auth -w extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 1 type = unix_listener auth-worker { group = mode = 0600 user = $default_internal_user } user = vsz_limit = 18446744073709551615 B } service auth { chroot = client_limit = 0 drop_priv_before_exec = no executable = auth extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener auth-client { group = mode = 0600 user = } unix_listener auth-login { group = mode = 0600 user = $default_internal_user } unix_listener auth-master { group = mode = 0600 user = } unix_listener auth-userdb { group = mode = 0666 user = } unix_listener login/login { group = mode = 0666 user = } user = root vsz_limit = 18446744073709551615 B } service config { chroot = client_limit = 0 drop_priv_before_exec = no executable = config extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = config unix_listener config { group = mode = 0600 user = } user = vsz_limit = 18446744073709551615 B } service dict { chroot = client_limit = 1 drop_priv_before_exec = no executable = dict extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = unix_listener dict { group = mode = 0600 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service director { chroot = . client_limit = 0 drop_priv_before_exec = no executable = director extra_groups = fifo_listener login/proxy-notify { group = mode = 00 user = } group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener director-admin { group = mode = 0600 user = } unix_listener login/director { group = mode = 00 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service dns_client { chroot = client_limit = 1 drop_priv_before_exec = no executable = dns-client extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = unix_listener dns-client { group = mode = 0666 user = } unix_listener login/dns-client { group = mode = 0666 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service doveadm { chroot = client_limit = 1 drop_priv_before_exec = no executable = doveadm-server extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 1 type = unix_listener doveadm-server { group = mode = 0600 user = } user = vsz_limit = 18446744073709551615 B } service imap-login { chroot = login client_limit = 0 drop_priv_before_exec = no executable = imap-login extra_groups = group = idle_kill = 0 inet_listener imap { address = port = 143 ssl = no } inet_listener imaps { address = port = 993 ssl = yes } privileged_group = process_limit = 0 process_min_avail = 0 protocol = imap service_count = 1 type = login user = $default_login_user vsz_limit = 18446744073709551615 B } service imap { chroot = client_limit = 1 drop_priv_before_exec = no executable = imap extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1024 process_min_avail = 0 protocol = imap service_count = 1 type = unix_listener login/imap { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service indexer-worker { chroot = client_limit = 1 drop_priv_before_exec = no executable = indexer-worker extra_groups = group = idle_kill = 0 privileged_group = process_limit = 10 process_min_avail = 0 protocol = service_count = 0 type = unix_listener indexer-worker { group = mode = 0600 user = $default_internal_user } user = vsz_limit = 18446744073709551615 B } service indexer { chroot = client_limit = 0 drop_priv_before_exec = no executable = indexer extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener indexer { group = mode = 0666 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } service ipc { chroot = empty client_limit = 0 drop_priv_before_exec = no executable = ipc extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener ipc { group = mode = 0600 user = } unix_listener login/ipc-proxy { group = mode = 0600 user = $default_login_user } user = $default_internal_user vsz_limit = 18446744073709551615 B } service lmtp { chroot = client_limit = 1 drop_priv_before_exec = no executable = lmtp extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = lmtp service_count = 0 type = unix_listener lmtp { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service log { chroot = client_limit = 0 drop_priv_before_exec = no executable = log extra_groups = group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = log unix_listener log-errors { group = mode = 0600 user = } user = vsz_limit = 18446744073709551615 B } service pop3-login { chroot = login client_limit = 0 drop_priv_before_exec = no executable = pop3-login extra_groups = group = idle_kill = 0 inet_listener pop3 { address = port = 110 ssl = no } inet_listener pop3s { address = port = 995 ssl = yes } privileged_group = process_limit = 0 process_min_avail = 0 protocol = pop3 service_count = 1 type = login user = $default_login_user vsz_limit = 18446744073709551615 B } service pop3 { chroot = client_limit = 1 drop_priv_before_exec = no executable = pop3 extra_groups = group = idle_kill = 0 privileged_group = process_limit = 1024 process_min_avail = 0 protocol = pop3 service_count = 1 type = unix_listener login/pop3 { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service ssl-params { chroot = client_limit = 0 drop_priv_before_exec = no executable = ssl-params extra_groups = group = idle_kill = 0 privileged_group = process_limit = 0 process_min_avail = 0 protocol = service_count = 0 type = startup unix_listener login/ssl-params { group = mode = 0666 user = } user = vsz_limit = 18446744073709551615 B } service stats { chroot = empty client_limit = 0 drop_priv_before_exec = no executable = stats extra_groups = fifo_listener stats-mail { group = mode = 0600 user = } group = idle_kill = 4294967295 secs privileged_group = process_limit = 1 process_min_avail = 0 protocol = service_count = 0 type = unix_listener stats { group = mode = 0600 user = } user = $default_internal_user vsz_limit = 18446744073709551615 B } ssl_cert = </etc/pki/tls/certs/dovecot.pem ssl_key = </etc/pki/tls/private/dovecot.pem userdb { driver = passwd } -- ============================================================================= Stephen Davies Consulting P/L Voice: 08-8177 1595 Adelaide, South Australia. Fax : 08-8177 0133 Records & Collections Management. Mobile:040 304 0583

2 4

[Dovecot] doveadm -A stops processing at first uid<first_valid_uid
by Joseph Tam 04 Mar '12

04 Mar '12

I would like to run various doveadm commands that involves all (mail) users like doveadm expunge -A mailbox Trash savedbefore 30d but any doveadm command that uses "-A" to iterate through all users will stop processing at the first account with UID<first_valid_uid. doveadm(sysdaemon): Error: user sysdaemon: Couldn't drop privileges: Mail access for users with GID 5551 not permitted (see first_valid_gid in config file, gid from userdb lookup). doveadm(sysdaemon): Error: User init failed doveadm: Error: Failed to iterate through some users However, these accounts are system accounts (locked password, no shell) and are in userdb to provide UID<->name mapping for utilities like ls, chown, etc. There are various workaround like iterating manually, or setting first_valid_uid to zero, or even reordering users to put all system accounts at the end, but is there a better way to do this? Joseph Tam <jtam.home(a)gmail.com>

2 3

[Dovecot] Multiple namespaces seems to be used at the same time
by Steve Campbell 04 Mar '12

04 Mar '12

I've just converted from an old Centos 3 box to a Centos 6.2 box. I've switched from UW-imap to dovecot in the process. In my configurations, I've placed the multiple namespace sections as suggested by the "Backward compatability" part of the wiki. I use mbox since I mostly copied the home directories from the old to the new server. On some of the clients, it appears that the client is using multiple namespaces at the same time. When they view their subscribed folders, they see multiple "mail" folders instead of just the single "mail" folder under their home directory. The .subscription files are more than likely not correct (haven't looked yet, but will fix them as a user calls), but should this ever happen? I'm also sure the client's prefix isn't set since the old system never required it and there are just so many other things that are required right now on this conversion. Speaking of prefixes, I'd like to get the default of "" (nothing entered) to work for the majority of the users to avoid having to add this to the multiple users we have. Hopefully, by going through each user's home directory and copying the old .mailboxlist to a new .subscriptions file and ensuring the imap folders are in ~/mail will do this. Does this sound resonable? Thanks for any help. The learning curve is getting less steep, but it's still a ways off to the top of the hill. steve campbell

2 1

[Dovecot] doveadm fetch prints duplicate results in 2.1
by Christoph Bußenius 04 Mar '12

04 Mar '12

Hi, when the private namespace has "prefix = INBOX." and you use doveadm fetch to search for "mailbox INBOX", then it prints every message twice: # doveadm fetch -u testuser 'mailbox uid guid' mailbox INBOX mailbox: INBOX uid: 1 guid: 1757c403a4ec4d4fbf040000463889b5 mailbox: INBOX uid: 1 guid: 1757c403a4ec4d4fbf040000463889b5 Without "prefix = INBOX." in the configuration, the messages are only printed once. In 2.0, they were never printed twice. doveconf -n # 2.1.1: /usr/local/dovecot/etc/dovecot/dovecot.conf # OS: Linux 2.6.32-35-server x86_64 Ubuntu 10.04.4 LTS disable_plaintext_auth = no mail_gid = vmail mail_location = mdbox:~/mdbox mail_plugins = acl mail_uid = vmail namespace { inbox = yes location = prefix = INBOX. separator = . } passdb { args = scheme=CRYPT username_format=%u /usr/local/dovecot/etc/dovecot/users driver = passwd-file } protocols = imap service auth { unix_listener auth-userdb { group = vmail mode = 0660 } } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { args = username_format=%u /usr/local/dovecot/etc/dovecot/users driver = passwd-file } protocol imap { mail_plugins = acl imap_acl } Cheers, Christoph -- Christoph Bußenius Rechnerbetriebsgruppe der Fakultäten Informatik und Mathematik Technische Universität München +49 89-289-18519 <> Raum 00.05.055 <> Boltzmannstr. 3 <> Garching

2 2

[Dovecot] 2.1.1: Incorrect quoting of RFC 2822 personal parts in ENVELOPE data
by Michael M Slusarz 04 Mar '12

04 Mar '12

I'm seeing this: 1 UID FETCH 31734 (ENVELOPE) * 23 FETCH (UID 31734 ENVELOPE ("Fri, 2 Mar 2012 19:05:24 -0500 (EST)" "XXXXXX" (({22} XXXXX \"X-XX\" XXXXXX NIL "XXXXXXX" "XXXXXXXXX.XXX")) (({22} XXXXX \"X-XX\" XXXXXX NIL "XXXXXXX" "XXXXXXXXX.XXXXXX.XXX")) ((NIL NIL "XXXXXXX" "XXXXXXXXX.XXX")) ((NIL NIL "slusarz" "curecanti.org")) NIL NIL NIL "<1109380587237.1109118788902.20323.7.35190001@scheduler>")) It should be: 1 UID FETCH 31734 (ENVELOPE) * 23 FETCH (UID 31734 ENVELOPE ("Fri, 2 Mar 2012 19:05:24 -0500 (EST)" "XXXXXX" (({20} XXXXX "X-XX" XXXXXX NIL "XXXXXXX" "XXXXXXXXX.XXX")) (({20} XXXXX "X-XX" XXXXXX NIL "XXXXXXX" "XXXXXXXXX.XXXXXX.XXX")) ((NIL NIL "XXXXXXX" "XXXXXXXXX.XXX")) ((NIL NIL "slusarz" "curecanti.org")) NIL NIL NIL "<1109380587237.1109118788902.20323.7.35190001@scheduler>")) since the RFC 2822 quoting characters must be removed. michael

2 1

[Dovecot] LIST-STATUS issue
by Michael M Slusarz 04 Mar '12

04 Mar '12

Looked at the hg commits since 2.1.1, but didn't see anything that was exactly on-point to this... UNSEEN counts seem to be broken when done in a LIST-STATUS call. I see this, for example: >> Timestamp: Thu, 01 Mar 2012 10:55:47 -0700 [...] C: 3 LIST "" (INBOX IN.dovecot) RETURN (STATUS (UNSEEN)) S: * LIST () "." "IN.dovecot" S: * STATUS "IN.dovecot" (UNSEEN 0) S: * LIST () "." "INBOX" S: * STATUS "INBOX" (UNSEEN 3) S: 3 OK List completed. 3 seconds later... >> Timestamp: Thu, 01 Mar 2012 10:55:50 -0700 S: * OK [CAPABILITY IMAP4rev1 LITERAL+ LOGIN-REFERRALS ID ENABLE AUTH=LOGIN XIMAPPROXY] Dovecot ready. C: [LOGIN Command - username: slusarz] S: * OK [XPROXYREUSE] IMAP connection reused by squirrelmail-imap_proxy S: 1 OK User logged in C: 2 EXAMINE IN.dovecot (QRESYNC (1254166849 25800 18484,20260,20393,20705,20860:20868)) S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft impflag1 impflag2 impflag0 Junk seen NonJunk) S: * OK [PERMANENTFLAGS ()] Read-only mailbox. S: * 13 EXISTS S: * 0 RECENT S: * OK [UNSEEN 5] First unseen. S: * OK [UIDVALIDITY 1254166849] UIDs valid S: * OK [UIDNEXT 20869] Predicted next UID S: * OK [HIGHESTMODSEQ 25800] Highest S: 2 OK [READ-ONLY] Select completed. [...] C: 7 SEARCH RETURN (COUNT) UNSEEN S: * ESEARCH (TAG "7") COUNT 8 S: 7 OK Search completed (0.000 secs). I can confirm that I did not receive 8 dovecot list messages in 3 seconds. :) Once the mailbox is accessed, I am seeing correct counts in LIST-STATUS return again: >> Timestamp: Thu, 01 Mar 2012 10:57:28 -0700 [...] C: 3 LIST "" (INBOX IN.dovecot) RETURN (STATUS (UNSEEN)) S: * LIST () "." "IN.dovecot" S: * STATUS "IN.dovecot" (UNSEEN 8) S: * LIST () "." "INBOX" S: * STATUS "INBOX" (UNSEEN 3) S: 3 OK List completed. I am using imapproxy for these connections, so all access are happening in the same Dovecot access. michael

2 8

[Dovecot] directly addressable public folders issues
by Tom Fernandes 04 Mar '12

04 Mar '12

Hi, I would like to have an address info(a)example.com whose mails are stored in a public folder. I also want certain users to be able to create sieve-filter-rules and subfolders. From what I understand it's a good idea to have a separate location for home and for mail_location. For my normal accounts I have: home = /var/vmail/<user> mail_location = ~/Maildir Is there a way to have the same for public folders? This are my current settings: namespace public { separator = / prefix = public/ location = maildir:/var/vmail/public subscriptions = no } user_attrs = homeDirectory=home=/var/vmail/%$, =mail=maildir:~/Maildir The LDAP-homeDirectory-attribute for info(a)example.com is "public/.info" Like this an incoming mail is stored below /var/vmail/public/.info/Maildir which is good. The MUA seems to read to read from /var/vmail/public/.info though. How can I make the MUA read from /var/vmail/public/.info/Maildir instead? And in case this works - is it possible to have only certain users modify the sieve-rule for this public folder or do I definitely need a passdb-entry for info(a)example.com? Modifying scripts via commandline is not an option... I'm using dovecot 1.2. regards, Tom Fernandes

2 1

[Dovecot] Dovecot clustering with dsync-based replication
by Timo Sirainen 03 Mar '12

03 Mar '12

This document describes a design for a dsync-replicated Dovecot cluster. This design can be used to build at least two different types of dsync clusters, which are both described here. Ville has also drawn overview pictures of these two setups, see http://www.dovecot.org/img/dsync-director-replication.png and http://www.dovecot.org/img/dsync-director-replication-ssh.png First of all, why dsync replication instead of block level filesystem replication? - dsync won't replicate filesystem corruption. - A cold restart of replication won't go through all of the data in the disks, but instead quickly finds out what has changed. - Split brain won't result in downtime or losing any data. If both sides did changes, the changes are merged without data loss. - If using more than 2 storages, the users' replicas can be divided among the other storages. So if one storage goes down, the extra load is shared by all the other storages, not just one. Replication mail plugin ----------------------- This is a simple plugin based on notify plugin. It listens for all changes that happen to mailboxes (new mails, flag changes, etc.) Once it sees a change, it sends an asynchronous (username, priority) notification to replication-notify-fifo. The priority can be either high (new mails) or low (everything else). Optionally the replication plugin can also support synchronous replication of new mail deliveries. In this way it connects to replication-notify UNIX socket, tells it to replicate the user with sync (=highest) priority and waits until it is done or replication_sync_timeout occurs. The IMAP/LMTP client won't see an "OK" reply until the mail is replicated (or the replication has failed). The synchronous replication probably adds a noticeable delay, so it might not be acceptable for IMAP, but might be for LMTP. So, what is listening in those replication-notify* sockets? It depends on if Dovecot is running on director-based setup or not. Aggregator ---------- When running in Dovecot director-based setup, all of the Dovecot backends (where replication plugin runs) also run "aggregator" process. Its job is very simple: It proxies the notifications from mail plugin and sends them via a single TCP connection to the replicator process running in Dovecot proxies. This is simply an optimization to avoid tons of short lived TCP connections directly from replication plugin to director server. When not running in Dovecot director setup (i.e. there is only a single Dovecot instance that handles all of the users), there is no point in having an aggregator proxy, because the replicator process is running on the same server. In this kind of setup the replicator process directly listens on the replication-notify* sockets. Replicator ---------- The initial design for replicator isn't very complex either: It keeps a priority queue of all users, and replicates those users at the top of the queue. Notifications about changes to user's mailboxes (may) move the user up in the priority queue. If the user at the top of the queue already has been replicated "recently enough", the replicator stops its work until new changes arrive or the "recently enough" is no longer that. dsync can do two types of syncs: quick syncs and full syncs. A quick sync trusts indexes and does the replication with the least amount of work and network traffic. A quick sync is normally enough to replicate all changes, but just in case something has gone wrong there's also the full sync option, which guarantees that the mailboxes end up being fully synced. A full sync is slower though, and uses more network traffic. The priority queue is sorted by: 1. Priority (updated by a notification from replication plugin) 2. If priority!=none: Last fast sync (those users are replicated first whose last replication time is oldest) 2. If priority=none: Last full sync (these users should already be fully synced, but do a full sync for them once in a while anyway) All users get added to the replication queue at replicator startup with "none" priority. The list of users is looked up via userdb iteration. If the previous replication state is found from a disk dump, it's used to update the priorities, last_*_sync timestamps and other replication state. Replicator process creates such dumps periodically [todo: every few mins? maybe a setting?]. Replicator starts replicating users at the top of the queue, setting their priorities to "none" before starting. This means that if another change notification arrives during replication, the priority is bumped up and no changes get lost. replication_max_conns setting specifies how many users are replicated simultaneously. If the user's last_full_sync is older than replication_full_sync_interval setting, a full sync is done instead of a fast sync. If the user at the top of the queue has "none" priority and the last_full_sync is newer than replication_full_sync_interval, the replication stops. [todo: it would be nice to prefer doing all the full syncs at night when there's hopefully less disk I/O] (A global replication_max_conns setting isn't optimal in proxy-based setup, where different backend servers are doing the replication. There it should maybe be a per-backend setting. Then again, it doesn't account for the replica servers that also need to do replication work. Also to properly handle this each backend should have its own replication queue, but this requires doing a userdb lookup for each user to find out their replication server, and this would need to be done periodically in case the backend changes, which can easily happen often with director-based setup. So all in all, none of this is being done in the initial implementation. Ideally the users are distributed in a way that a global replication queue would work well enough.) In director-based setup each director runs a replicator server, but only one of them (master) actually asks the backends to do the replication. The rest of them just keep track of what's happening, and if the master dies or hangs, one of the others becomes the new master. The server with lowest IP address is always the master. The replicators are connected to a ring like the directors, using the same director_servers setting. The communication between them is simply about notifications of what's happening to users' priorities. Preferably the aggregators would always connect to the master server, but this isn't required. In general there's not much that can go wrong, since it's not a problem if two replicators request a backend to start replication for the same user or if the replication queue states aren't identical. If the replication is running too slowly [todo: means what exactly?], log a warning and send an email to admin. So, how does the actual replication happen? Replicator connects to doveadm server and sends a "sync -u user@domain" command. In director-based setup the doveadm server redirects this command to the proper backend. doveadm sync ------------ This is an independent feature from all of the above. Even with none of it implemented, you could run this to replicate a user. Most of this is already implemented. The only problem is that currently you need to explicitly tell it where to sync. So, when the destination isn't specified, it could do a userdb lookup and use the returned "mail_replica" field as the destination. Multiple (sequentially replicated) destinations could be supported by returning "mail_replica2", "mail_replica3" etc. field. In NFS-based (or shared filesystem-based in general) setup the mail_replica setting is identical to mail_location setting. So your primary mail_location would be in /storage1/user/Maildir, while the secondary mail_replica would be in /storage2/user/Maildir. Simple. In non-NFS-based setup two Dovecot servers talk dsync protocol to each others. Currently dsync already supports SSH-based connections. It would also be easy to implement direct TCP-based connections between two doveadm servers. In future these connections could be SSL-encrypted. Initially I'm only supporting SSH-based connections, as they're already implemented. So what does the mail_replica setting look like in this kind of a setup? I'm not entirely sure. I'm thinking that it could be either "ssh:host" or "ssh:user@host", where user is the SSH login user (this is opposite of the current doveadm sync command line usage). In future then it could support also tcp:host[:port]. Both of these ssh: and tcp: prefixes would also be supported by doveadm sync command line usage (and perhaps the prefixless user@domain be deprecated). dsync can run without any long lived locking and it typically works fine. In case mailbox was modified during dsync, the replicas may not end up being identical, but nothing breaks. dsync currently usually notices this and logs a warning. When these conflicting changes was caused by imap/pop3/lda/etc. this isn't a problem, they've already notified replicator already to perform another sync that will fix it. Running two dsyncs at the same time is more problematic though, mainly related to new emails. Both dsyncs notice that mail X needs to be replicated, so both save it and it results in having a duplicate. To avoid this, there should be a dsync-lock. If this lock exists, dsync should wait until the previous dsync is done and then do it again, just in case there were more changes since the previous sync started. This should conclude everything needed for replication itself. High-availability NFS setup --------------------------- Once you have replication, it's of course nice if the system automatically recovers from a broken storage. In NFS-based setups the idea is to do soft mounts, so if the NFS server goes away things start failing with EIO errors, which Dovecot notices and switches to using the secondary storage(s). In v2.1.0 Dovecot already keeps track of mounted filesystems. Initially they're all marked as "online". When multiple I/O errors occur in a filesystem [todo: how many exactly? where are these errors checked, all around in the code or checking the log?] the mountpoint is marked as "offline" and the connections accessing that storage are killed [todo: again how exactly?]. Another job for replication plugin is to hook into namespace creation. If mail_location points to a mountpoint marked as "offline", it's replaced with mail_replica. This way the user can access mails from the secondary storage without downtime. If the replica isn't fully up to date, this means that some of the mails (or other changes) may temporarily be lost. These will come back again after the original storage has come back up and replication has finished its job. So as long as mails aren't lost in the original storage, there won't be any permanent mail loss. When an offline storage comes back online, its mountpoint's status is initially changed to "failover" (as opposed to "online"). During this state the replication plugin works a bit differently when the user's primary mail_location is in this storage: It first checks if the user is fully replicated, and if so uses the primary storage, otherwise it uses the replica storage. Long running IMAP protocesses check the replication state periodically and kill themselves once the user is replicated, to move back to primary storage. Once replicator notices that all users have been replicated, it tells the backends' to change the "failover" state to "online" (via doveadm server). High-availability non-NFS setup ------------------------------- One possibility is to use Dovecot proxies, which know which servers are down. Instead of directing users to those servers, it would direct them to replica servers. The server states could be handled similar to NFS setup's online vs. failover vs. offline states. Another possibility would be to do the same as above, except without separate proxy servers. Just make "mail.example.com" DNS point to two IP addresses, and if one Dovecot notices that it's not the user's primary server, it proxies to the secondary server, unless it's down. If one IP is down, clients hopefully connect to the other.

3 5

[Dovecot] keywords/flags questions
by Arnaud Abélard 03 Mar '12

03 Mar '12

Hello, I am currently using dovecot 2.0.13 and I have been working on keywords handling our webmail and I have a few questions about how dovecot handles them. First, if I am not mistaken keywords neeed to be UTF-7 encoded. That means I need to encode special caracters using values between & and - chars. UTF-7 encoding is case sensitive, &AOA- isn't the same chars as &aoa-. But docevot save keywords in lowercase or am I mistaken? For example: . STORE 1:1 flags &AOA-_refaire * 1 FETCH (FLAGS (&aoa-_refaire)) This makes retrieving the keyword properly impossible. What did I miss? My other question is about the permanent flags being displayed upon selecting a mailbox. I'm trying to understand why unused keywords are still showing up in there. Is there a way to force the definitive removal of a keyword from a mailbox? are old keywords kept undefinitely? Thanks in advance, Arnaud -- Arnaud Abélard jabber: arnaud.abelard(a)univ-nantes.fr / twitter: ArnY Administrateur Système DSI Université de Nantes -

3 2

[Dovecot] Desperately need help ! a default dovecot.conf and/or Ubuntu 11.10 postfix/dovecot server configuration issue!
by D Chen 03 Mar '12

03 Mar '12

When ungraded from Ubuntu 11.04 to 11.10, dovecot can't start successfully with lots of errors i.e. "dovecot: doveconf: Warning: ... 'imaps' protocol is no longer necessary, remove it"... At any rate, I want to setup a postfix(MTA)/dovecot(MDA) servers on Ubuntu 11.10, by following the Postfix installation and configuration instruction in Ubuntu Serverguide, in "1.4 Configuring SASL" section on page 190, after run "sudo apt-get install dovecot-common", it requires to edit the section of "auth default" and the "socket listen" option...,in the /etc/dovecot/dovecot.conf file, BUT my /etc/dovecot/dovecot.conf (only about 4k byes) CAN'T find the "auth default" "socket listen" ! I also checked into the /usr/share/doc/dovecot-common/dovecot/example-config, there is a dovecot.conf, it's also about 4k size, and there is no such "auth default" or "socket listen" words can be found ! where is the default dovecot.conf file I can get a copy ? BTW, there is the dovecot.conf.ucf file (what is this for?) which's about 50k and has the "auth default" and "socket listen" words there ! what is supposed the size for the /etc/dovecot/dovecot.conf ? i'm confused! Thx.

3 2

[Dovecot] fts size
by Jan-Frode Myklebust 02 Mar '12

02 Mar '12

Does anybody have any numbers for how large storage one will need for the fts indexing server? I see the wiki says 30% of mailbox size for Squat (partial=4 full=4). Is it similar for lucene/solr? Do I understand correctly if I think http://wiki2.dovecot.org/Plugins/FTS/Lucene will create an index for each user in his home directory? Will this be accounted for in the users' quota? -jf

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[Dovecot] Thanks, was Re: need simpler instructions for user authentication
by David Benfell 02 Mar '12

02 Mar '12

Thanks to everyone who responded to my request. And I apologize that this message isn't properly threaded. I'm in trouble whenever I have to send mail from my gmail account because I automatically pull it down into the same place from which I send my regular mail (from benfell(a)parts-unknown.org ) and I haven't configured that to deal with the gmail account. That makes it difficult to reply properly to mail on this list which I have subscribed to with the gmail account so that I'd actually receive it even when I'm having problems with my main mail system. Timo Sirainen <tss(a)iki.fi> responded that I needed a userdb and offered that I should probably add the following to dovecot.conf : userdb { driver = passwd } As near as I can tell--and it's been over a day now--that solved the problem. Thanks!

1 0

[Dovecot] 2.1.1: subscriptions: Removing invalid entry
by Ralf Hildebrandt 01 Mar '12

01 Mar '12

Admittedly, it's not a valid folder name and dovecot is right in removing it: Feb 28 17:50:05 postamt dovecot: imap(kbaessle): Warning: Subscriptions file /home/k/b/kbaessle/Maildir/subscriptions: Removing invalid entry: Entw�rfe ...but when looking at the subscription file AFTER the removal, that file contained an empty line. I don't think that's correct. -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebrandt(a)charite.de | http://www.charite.de

3 2

[Dovecot] need simpler directions on user authentication
by David Benfell 01 Mar '12

01 Mar '12

Hi all, My situation is this: I have postfix running on a Linode under Arch Linux. A recent upgrade to dovecot broke the configuration. Now I get "Couldn't drop privileges: User is missing UID (see mail_uid setting)." I do not want virtual users. I do not particularly want SQL or LDAP. I do have multiple domains. I do use Maildir. I already have SSL certificates for the server which I did manage to get dovecot to quit complaining about. The documentation is driving me nuts. It keeps telling me about stuff I think I don't need. And I can't tell what I actually *do* need. All I want is for system users, including myself, to be able to get their mail. How do I do this? Thank you! David Benfell dbenfell(a)gmail.com

2 1

[Dovecot] need simpler instructions for user authentication
by David Benfell 01 Mar '12

01 Mar '12

Hi all, My situation is this: I have postfix running on a Linode under Arch Linux. A recent upgrade to dovecot broke the configuration. Now I get "Couldn't drop privileges: User is missing UID (see mail_uid setting)." I do not want virtual users. I do not particularly want SQL or LDAP. I do have multiple domains. I do use Maildir. I already have SSL certificates for the server which I did manage to get dovecot to quit complaining about. The documentation is driving me nuts. It keeps telling me about stuff I think I don't need. And I can't tell what I actually *do* need. All I want is for system users, including myself, to be able to get their mail. How do I do this? Thank you! David Benfell dbenfell(a)gmail.com

2 2

[Dovecot] Permission problems
by David Renstrom 01 Mar '12

01 Mar '12

Hi, I've set up a Postfix and Dovecot (only IMAP) combination using MySQL and Postfixadmin on Fedora. Almost everything works correctly now. The only thing bugging me right now is that I always have to change the access privileges of the directories in /var/run/dovecot/ manually to 777 to make it work. As you understand, I'm not particularly happy about this as it doesn't feel secure at all. And I also have to do this every time I reboot since Dovecot resets the old access priviliges (600). As you see I've got a vmail user who belongs to the mail group. Almost all directories under /var/run/dovecot belong to user root and group root. They all have the permissions rw--------. Below is some output from the log file dovecot.log: Mar 01 03:31:17 auth: Fatal: net_connect_unix(auth-worker) in directory /run/dovecot failed: Permission denied (euid=101(vmail) egid=12(mail) missing +r perm: /run/dovecot/auth-worker, dir owned by 0:97 mode=0755) Mar 01 03:31:17 master: Error: service(auth): command startup failed, throttling Mar 01 03:31:46 imap-login: Info: Disconnected (auth failed, 1 attempts): method=PLAIN, rip=94.254.99.6, lip=91.123.204.174 What is wrong here and how can I correct it? Thanks in advance! /David R.

3 2

[Dovecot] remove messages once downloaded
by Michael Sidoric 01 Mar '12

01 Mar '12

> > I need some help with the dovecot configuration. I want to remove > downloaded messages from Mail Server once the messages have been > successfully downloaded by pop3-clients, even when the clients have been > configured to save copy of messages in the Server. timo is quite correct -- consider imap instead, that's why the protocol exists.

5 5

[Dovecot] dovecot-2.1-pigeonhole-0.3.0 identifier redeclared: sieve_multiscript_run (patch)
by Piotr Tarnowski 29 Feb '12

29 Feb '12

Hi, I recently compiled dovecot-2.1.1 on Solaris 10 with Sun Studio, but when I want to compile Sieve for this version (dovecot-2.1-pigeonhole-0.3.0) I get an error: "sieve.c", line 578: identifier redeclared: sieve_multiscript_run and I see that declaration in sieve.h is different from definition in sieve.c, so compilation process fails with SunStudio cc compiler. I have done a quick hack to correct this, and then compiled successfully. Patch is included as attachment. Full output, OS and compiler versions below: libtool: compile: cc -DHAVE_CONFIG_H -I. -I../.. -I/home/soft/dovecot/dovecot-2.1.1 -I/home/soft/dovecot/dovecot-2.1.1/src/lib -I/home/soft/dovecot/dovecot-2.1.1/src/lib-dict -I/home/soft/dovecot/dovecot-2.1.1/src/lib-dns -I/home/soft/dovecot/dovecot-2.1.1/src/lib-mail -I/home/soft/dovecot/dovecot-2.1.1/src/lib-imap -I/home/soft/dovecot/dovecot-2.1.1/src/lib-fs -I/home/soft/dovecot/dovecot-2.1.1/src/lib-charset -I/home/soft/dovecot/dovecot-2.1.1/src/lib-index -I/home/soft/dovecot/dovecot-2.1.1/src/lib-storage -I/home/soft/dovecot/dovecot-2.1.1/src/lib-storage/index -I/home/soft/dovecot/dovecot-2.1.1/src/lib-storage/index/raw -I/home/soft/dovecot/dovecot-2.1.1/src/lib-lda -I/home/soft/dovecot/dovecot-2.1.1/src/lda -I/home/soft/dovecot/dovecot-2.1.1/src/lib-master -I/home/soft/dovecot/dovecot-2.1.1/src/lib-settings -DMODULEDIR=\"/usr/local/dovecot-2.1.1/lib/dovecot\" -I/usr/local/openldap/include -I/usr/local/ssl/include -I/usr/local/include -xO3 -xautopar -c sieve.c -KPIC -DPIC -o .libs/sieve.o "sieve-common.h", line 33: warning: useless declaration "/home/soft/dovecot/dovecot-2.1.1/src/lib-storage/mailbox-list.h", line 13: warning: useless declaration "sieve.c", line 578: identifier redeclared: sieve_multiscript_run current : function(pointer to struct sieve_multiscript {pointer to struct sieve_instance {..} svinst, pointer to struct sieve_result {..} result, pointer to const struct sieve_message_data {..} msgdata, pointer to const struct sieve_script_env {..} scriptenv, int status, _Bool active, _Bool keep, pointer to struct ostream {..} teststream}, pointer to struct sieve_binary {}, pointer to struct sieve_error_handler {pointer to struct pool {..} pool, int refcount, pointer to struct sieve_instance {..} svinst, pointer to struct sieve_error_handler {..} parent, unsigned int max_errors, unsigned int errors, unsigned int warnings, _Bool log_info, _Bool log_debug, pointer to function(..) returning void verror, pointer to function(..) returning void vwarning, pointer to function(..) returning void vinfo, pointer to function(..) returning void vdebug, pointer to function(..) returning void free}, unsigned int, _Bool) returning _Bool previous: function(pointer to struct sieve_multiscript {pointer to struct sieve_instance {..} svinst, pointer to struct sieve_result {..} result, pointer to const struct sieve_message_data {..} msgdata, pointer to const struct sieve_script_env {..} scriptenv, int status, _Bool active, _Bool keep, pointer to struct ostream {..} teststream}, pointer to struct sieve_binary {}, pointer to struct sieve_error_handler {pointer to struct pool {..} pool, int refcount, pointer to struct sieve_instance {..} svinst, pointer to struct sieve_error_handler {..} parent, unsigned int max_errors, unsigned int errors, unsigned int warnings, _Bool log_info, _Bool log_debug, pointer to function(..) returning void verror, pointer to function(..) returning void vwarning, pointer to function(..) returning void vinfo, pointer to function(..) returning void vdebug, pointer to function(..) returning void free}, enum sieve_runtime_flags {SIEVE_RUNTIME_FLAG_NOGLOBAL(1)}, _Bool) returning _Bool : "sieve.h", line 168 cc: acomp failed for sieve.c *** Error code 1 dmake: Fatal error: Command failed for target `sieve.lo' Current working directory /home/soft/dovecot/dovecot-2.1-pigeonhole-0.3.0/src/lib-sieve *** Error code 1 The following command caused the error: fail= failcom='exit 1'; \ for f in x $MAKEFLAGS; do \ case $f in \ *=* | --[!k]*);; \ *k*) failcom='fail=yes';; \ esac; \ done; \ dot_seen=no; \ target=`echo all-recursive | sed s/-recursive//`; \ list='plugins'; for subdir in $list; do \ echo "Making $target in $subdir"; \ if test "$subdir" = "."; then \ dot_seen=yes; \ local_target="$target-am"; \ else \ local_target="$target"; \ fi; \ (cd $subdir && dmake $local_target) \ || eval $failcom; \ done; \ if test "$dot_seen" = "no"; then \ dmake "$target-am" || exit 1; \ fi; test -z "$fail" dmake: Fatal error: Command failed for target `all-recursive' % uname -a SunOS soft 5.10 Generic_142909-17 sun4u sparc SUNW,Sun-Fire-V890 Solaris % version Machine hardware: sun4u OS version: 5.10 Processor type: sparc Hardware: SUNW,Sun-Fire-V890 The following components are installed on your system: Sun Studio 12 update 1 Sun Studio 12 update 1 C Compiler Sun Studio 12 update 1 C++ Compiler Sun Studio 12 update 1 Tools.h++ 7.1 Sun Studio 12 update 1 C++ Standard 64-bit Class Library Sun Studio 12 update 1 Garbage Collector Sun Studio 12 update 1 Fortran 95 Sun Studio 12 update 1 Debugging Tools (including dbx) Sun Studio 12 update 1 IDE Sun Studio 12 update 1 Performance Analyzer (including collect, ...) Sun Studio 12 update 1 Performance Library Sun Studio 12 update 1 Scalapack Sun Studio 12 update 1 LockLint Sun Studio 12 update 1 Building Software (including dmake) Sun Studio 12 update 1 Documentation Set Sun Studio 12 update 1 /usr symbolic links and GNOME menu item version of "/opt/sunstudio12.1/bin/../prod/bin/../../bin/cc": Sun C 5.10 SunOS_sparc 2009/06/03 version of "/opt/sunstudio12.1/bin/../prod/bin/../../bin/CC": Sun C++ 5.10 SunOS_sparc 2009/06/03 version of "/opt/sunstudio12.1/bin/../prod/bin/../../bin/f90": Sun Fortran 95 8.4 SunOS_sparc 2009/06/03 version of "/opt/sunstudio12.1/bin/../prod/bin/../../bin/dbx": Sun DBX Debugger 7.7 SunOS_sparc 2009/06/03 version of "/opt/sunstudio12.1/bin/../prod/bin/../../bin/analyzer": Sun Analyzer 7.7 SunOS_sparc 2009/06/03 version of "/opt/sunstudio12.1/bin/../prod/bin/../../bin/dmake": Sun Distributed Make 7.9 SunOS_sparc 2009/06/03 Regards -- [ Piotr Tarnowski piotr.tarnowski(a)us.edu.pl ] [ Unix Administrator at University of Silesia, Katowice, Poland ]

2 1

[Dovecot] What's behind the message ...
by Frank Elsner 29 Feb '12

29 Feb '12

... Warning: /media/Backup28a is no longer mounted. If this is intentional, remove it with doveadm mount Hello, the above message appeared when I restarted dovecot. What has dovecot to deal with my USB-Backup-Disk? Dovecot cares about filesystem without any relation to the mail system? Why this? What's bedind? Thanks in advance, Frank Elsner

2 2

[Dovecot] per-user limit?
by Peter Hessler 29 Feb '12

29 Feb '12

I am seeing a problem where users are limited to 6 imap logins total. One of my users has a bunch of phones and computers, and wants them all on at the same time. I'm looking through my configuration, and I cannot see a limit on how many times a single user can connect. He is connecting from different IPs. Any ideas? My logs show the following error when they attempt to auth for a 7th time: dovecot: imap-login: Disconnected (no auth attempts): rip=111.yy.zz.xx, lip=81.209.183.113, TLS $ dovecot -n # 2.0.16: /etc/dovecot/dovecot.conf # OS: OpenBSD 5.1 amd64 ffs auth_mechanisms = plain login base_dir = /var/dovecot/ listen = *, [::] mail_location = maildir:/usr/home/%u/Maildir managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave mbox_write_locks = fcntl passdb { driver = bsdauth } service auth { unix_listener /var/run/dovecot/auth-master { mode = 0600 } unix_listener /var/spool/postfix/private/auth { group = wheel mode = 0660 user = _postfix } user = root } service imap-login { process_limit = 128 process_min_avail = 6 service_count = 1 user = _dovecot } service pop3-login { process_limit = 64 process_min_avail = 6 service_count = 1 user = _dovecot } ssl_cert = </etc/ssl/dovecotcert.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { driver = passwd } protocol pop3 { pop3_uidl_format = %08Xu%08Xv } protocol lda { mail_plugins = sieve postmaster_address = postmaster(a)theapt.org } -- We are all in the gutter, but some of us are looking at the stars. -- Oscar Wilde

4 4

[Dovecot] Post-login scripting - Trash cleanup
by list＠airstreamcomm.net 29 Feb '12

29 Feb '12

We are considering using the post-login scripting to clear trash older than 90 days from user accounts. has anyone done this, and if so did this cause logins to slow down too much waiting for the trash to purge? One idea was to execute the trash purge script once a day by tracking their logins and seeing that it has already ran that day. Another idea was to call the trash purge script in the background and continue without acknowledging that it has finished to keep logins speedy.

3 4

[Dovecot] Master user
by Emiliano Rago 29 Feb '12

29 Feb '12

Hi, I'd like to have a master user that can read the other users mailboxes. I have only one user who read and write the mail (i.e. I use the static userdb) and I use namespace for public and shared mailboxes. I can authenticate to the server but I am not able to list the mailboxes: > emiliano@dovecot:~$ telnet localhost imap > Trying 127.0.0.1... > Connected to localhost. > Escape character is '^]'. > * OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN] Dovecot ready. > 1 login user*master password > 1 OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS ACL RIGHTS=texk] Logged in > 5 LIST "" * > * LIST (\Unmarked) "." "INBOX" > * LIST (\Noselect \HasNoChildren) "." "shared" > * LIST (\Noselect \HasChildren) "." "public" > 5 OK List completed. > * BYE Server shutting down. > Connection closed by foreign host. This is my conf: > # 2.0.9: /etc/dovecot/dovecot.conf > # OS: Linux 2.6.32-131.0.15.el6.x86_64 x86_64 Scientific Linux release 6.1 (Carbon) ext4 > auth_master_user_separator = * > disable_plaintext_auth = no > mail_location = maildir:/data/MAIL/MAILDIR/%u:INBOX=/data/MAIL/INBOX/%u:INDEX=/data/MAIL/METADATA/%u > mbox_write_locks = fcntl > namespace { > inbox = yes > location = > prefix = > separator = . > type = private > } > namespace { > list = yes > location = maildir:/data/MAIL/MAILDIR/%%u:INDEX=/data/MAIL/MAILDIR/shared/%u/%%u > prefix = shared.%%u. > separator = . > subscriptions = no > type = shared > } > namespace { > list = yes > location = maildir:/data/MAIL/SHARED > prefix = public. > separator = . > subscriptions = no > type = public > } > passdb { > driver = pam > } > passdb { > args = /etc/dovecot/master-shared > driver = passwd-file > master = yes > } > plugin { > acl = vfile:/etc/dovecot/global-acls:cache_secs=300 > acl_anyone = allow > acl_shared_dict = file:/var/lib/dovecot/shared-mailboxes.db > } > protocols = imap > service auth { > unix_listener auth-userdb { > group = mailreader > mode = 0600 > user = mailreader > } > } > ssl = no > ssl_cert = </etc/pki/dovecot/certs/dovecot.pem > ssl_key = </etc/pki/dovecot/private/dovecot.pem > userdb { > args = uid=mailreader gid=mailreader home=/ allow_all_users=yes > driver = static > } > protocol lda { > mail_plugins = acl > } > protocol imap { > mail_plugins = acl imap_acl > } And in /etc/dovecot/master-shared: > master:{PLAIN}password What I did wrong? Thanks, Emiliano

2 6

[Dovecot] quota warning script not working after upgrade to 2.1.1
by Ralf Hildebrandt 28 Feb '12

28 Feb '12

With 2.0.18 I was using a quota warning script like this: plugin { ... # Quota quota = maildir quota_rule = INBOX.Trash:storage=+2048M quota_warning = storage=99%% quota-warning 99 %u quota_warning2 = storage=95%% quota-warning 95 %u quota_warning3 = storage=90%% quota-warning 90 %u quota_warning4 = storage=85%% quota-warning 85 %u } # der schickt die Quota warnmails service quota-warning { executable = script /usr/local/scripts/quota-warning2.1 user = root unix_listener quota-warning { mode = 0666 user = vmail group = users } } -rwxr-xr-x 1 root staff 3081 Feb 28 16:56 /usr/local/scripts/quota-warning2.1 But now I'm gettting this in my log: Feb 28 19:19:03 postamt quota-warning2(phxxxpsu): writing message failed Feb 28 19:19:03 postamt dovecot: quota-warning: Fatal: master: service(quota-warning): child 15065 returned error 1 Feb 28 19:40:13 postamt quota-warning2(lxxxve): writing message failed Feb 28 19:40:13 postamt dovecot: quota-warning: Fatal: master: service(quota-warning): child 3318 returned error 1 What is failing here? #!/bin/sh # # Should be run by the Local Delivery Agent # #set -x SCRIPT_NAME="quota-warning2" MAIL_TO=$2 MAIL_FROM="postmaster(a)charite.de" MAIL_QUOTA_PERCENT=$1 MAIL_SUBJECT="Ihre Mailbox ist zu "$1"% voll!" BIN_CAT="/bin/cat" BIN_DATE="/bin/date" BIN_HOSTNAME="/bin/hostname" BIN_LOGGER="/usr/bin/logger" BIN_MV="/bin/mv" BIN_STAT="/usr/bin/stat" #set -x # set misc values HOSTNAME="`${BIN_HOSTNAME}`" # set mail value MAIL_DATE="`${BIN_DATE} '+%a, %d %b %Y %T %z (%Z)'`" MAIL_MESSAGE_ID="`${BIN_DATE} '+%Y%m%d%H%M%S'`@${HOSTNAME}" #To: ${MAIL_TO} # write out message ${BIN_CAT} << EOF | /usr/local/dovecot-2.1/libexec/dovecot/dovecot-lda -d $MAIL_TO -o "plugin/quota=maildir::noenforcing" From: ${MAIL_FROM} Subject: ${MAIL_SUBJECT} Message-Id: <${MAIL_MESSAGE_ID}> Date: ${MAIL_DATE} MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit some warning in german EOF [ "$?" -gt 0 ] && \ ${BIN_LOGGER} -p mail.error -t "${SCRIPT_NAME}(${MAIL_TO})" \ "writing message failed" && exit 1 # log warning attempt ${BIN_LOGGER} -p mail.info -t "${SCRIPT_NAME}(${MAIL_TO}) ${MAIL_QUOTA_PERCENT}%" "delivered!" echo "${MAIL_DATE}: ${SCRIPT_NAME}(${MAIL_TO}) ${MAIL_QUOTA_PERCENT}% delivered!" >> /home/${SCRIPT_NAME}.log -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebrandt(a)charite.de | http://www.charite.de

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[Dovecot] Question: Is Server Side Search announced somehow via the IMAP CAPABILITY string?
by Charles Marcus 28 Feb '12

28 Feb '12

Hey Timo, Subject says it all... This question is a result of an ongoing discussion on the mozilla enterprise list... Is there a standard/reliable way for an IMAP client to determine that an IMAP server supports server side search (with indexes)? Thanks, -- Best regards, Charles

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[Dovecot] Deny create folders
by S. Kremer 28 Feb '12

28 Feb '12

Hi all, is it possible to configure dovecot in that way that special folders do not create automatically by some imap clients? i.e: outlook or thunderbird creates a folder junk-mail i would like that such folders are not created automatically or by users Best regards Stefan

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[Dovecot] ANN: automx - automated mail account provisioning
by Patrick Ben Koetter 28 Feb '12

28 Feb '12

automx I am pleased to announce automx a tool that makes setting up a mail account easy. All your users need to provide is real name, mail address and password. Their mail client and automx will safely handle the rest. Say goodbye to mistyped server settings! Put an end to endless phone calls trying to coach users to configure settings, whose dialogs they can't find. Raise user satisfaction, relieve support and regain time to work on other issues. automx unifies Microsofts and Mozillas mail account provisioning standards in one powerful Open Source tool. Choose from many backends, including LDAP and SQL, and let automx create standard and individualized profiles for multiple domains on the fly! See the details on http://automx.org. p@rick -- state of mind () Digitale Kommunikation http://www.state-of-mind.de Franziskanerstraße 15 Telefon +49 89 3090 4664 81669 München Telefax +49 89 3090 4666 Amtsgericht München Partnerschaftsregister PR 563

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[Dovecot] POP/IMAP on proxy rip issue
by Tomislav Mihalicek 28 Feb '12

28 Feb '12

I have a proxy setup for pop/imap. The proxies are defined in login_trusted_networks = x.x.x.x and for the imap it works fine but for pop3 connections displays the ip address of proxy IP... Dovecots are both 1.2 from the debian repo deb http://xi.rename-it.nl/debian/ stable-auto/dovecot-1.2 main thanks -- View this message in context: http://old.nabble.com/POP-IMAP-on-proxy-rip-issue-tp33400491p33400491.html Sent from the Dovecot mailing list archive at Nabble.com.

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[Dovecot] remove messages once downloaded
by julioarr＠fisica.uh.cu 28 Feb '12

28 Feb '12

I need some help with the dovecot configuration. I want to remove downloaded messages from Mail Server once the messages have been successfully downloaded by pop3-clients, even when the clients have been configured to save copy of messages in the Server. thanks, Julio

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[Dovecot] LDA alias resolution problems..
by Nick Warr 28 Feb '12

28 Feb '12

I use postfix + dovecot LDA + mysql virtual users and up til friday, everything was working just fine. Dovecot is 2.0.beta6 (3156315704ef) Like I said, up til friday, when I added a vacation entry into postfix (which I have now removed to see if it was the reason) mails to the alias virusalert (which is aliased to me) went through just fine. Now I get these sort of errors from the LDA: Feb 27 11:54:03 cluster2 postfix/pipe[31267]: 866F0A41173: to=<virusalert(a)mobilia.it>, relay=dovecot, delay=357414, delays=357413/0.79/0/0.05, dsn=4.3.0, status=deferred (temporary failure. Command output: lda: Fatal: Unknown user ) Other aliases work perfectly, the only difference is that these emails are of local origin, (they're messages from Amavisd) I'm not sure why this has started to be a problem. Can anyone give me an idea where I should start looking? Nick

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[Dovecot] iPhone and custom imap folders problem
by "Przemysław.Orzechowski" 27 Feb '12

27 Feb '12

Hi Im using Dovecot 1.0.10 and everything seems work ok except one client He is accessing his mailbox using iPhone There are several custom folders created and mail is directed to them using procmail The problem is iPhone mail app only sees changes in INBOX and when new mail arrives to other folders it will not see it unlers user accesses this particular folder Is there some kind of workaround for this? Im quite sure its iPhones fault as all other email clients are workin perfectly fine.

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[Dovecot] value for client_limit
by ml 27 Feb '12

27 Feb '12

hello guys hello master Timo i build the last release of dovecot on my centos 5 work well and fine but what the correct value for client limit in service auth { client_limit=6000 } and service anvil { client_limit=6000 } my current dovecot -n ks37777 i386]# dovecot -n # 2.1.1: /etc/dovecot/dovecot.conf # OS: Linux 2.6.31.5-xxxx-rt14-ipv6-32 i686 CentOS release 5.7 (Final) auth_mechanisms = plain login base_dir = /var/run/dovecot/ lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes listen = [::] log_path = /var/log/maillog log_timestamp = %Y-%m-%d %H:%M:%S login_log_format_elements = user=<%u> method=%m rip=%r lip=%l %c mail_debug = yes mail_location = maildir:~/Maildir mail_max_userip_connections = 30 mail_plugins = " quota trash zlib" managesieve_notify_capability = mailto managesieve_sieve_capability = comparator-i;octet comparator-i;ascii-casemap fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date spamtest spamtestplus virustest namespace { inbox = yes location = prefix = separator = . } passdb { driver = pam } plugin { autocreate = Trash autocreate2 = Junk autocreate3 = Sent autocreate4 = Drafts autosubscribe = Trash autosubscribe2 = Junk autosubscribe3 = Sent autosubscribe4 = Drafts deleted_to_trash_folder = Trash plugin = $mail_plugins autocreate managesieve sieve quota quota = maildir:User quota quota_exceeded_message = Quota exceeded, please go to http://www.fakessh.eu/over_quota_help.html for instructions on how to fix this. quota_rule = *:storage=10GB quota_rule2 = Trash:storage=+10% quota_rule3 = Spam:storage=+20% quota_warning = storage=95%% quota-warning 95 %u quota_warning2 = storage=80%% quota-warning 80 %u sieve = ~/.dovecot.sieve sieve_before = /var/sieve-scripts/roundcube.sieve sieve_dir = ~/sieve sieve_global_path = whatever trash = /etc/dovecot/dovecot-trash.conf.ext zlib_save = bz2 zlib_save_level = 9 } protocols = sieve imap pop3 service anvil { client_limit = 6000 } service auth { client_limit = 6000 process_limit = 1 unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0600 user = postfix } unix_listener auth-master { mode = 0666 } unix_listener auth-userdb { mode = 0666 } vsz_limit = 64 M } service imap-login { client_limit = 0 inet_listener imap { port = 0 } inet_listener imaps { address = * , [::] port = 993 } process_limit = 1024 service_count = 1 vsz_limit = 64 M } service imap { process_limit = 1024 process_min_avail = 0 service_count = 1 vsz_limit = 64 M } service managesieve-login { inet_listener managesieve-login { address = * , [::] port = 2000 } process_limit = 1 vsz_limit = 64 M } service pop3-login { inet_listener pop3 { port = 0 } inet_listener pop3s { address = * , [::] port = 995 } process_limit = 1 vsz_limit = 64 M } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { user = mail } user = dovecot } ssl_ca = </etc/pki/tls/certs/class3.crt ssl_cert = </etc/pki/tls/certs/ks37777.kimsufi.com.cert ssl_key = </etc/pki/tls/private/ks37777.kimsufi.com.key ssl_verify_client_cert = yes userdb { driver = passwd } userdb { driver = passwd } version_ignore = yes protocol imap { imap_client_workarounds = delay-newmail tb-extra-mailbox-sep imap_max_line_length = 64 k mail_plugins = " quota trash zlib autocreate quota imap_quota zlib imap_zlib" } protocol pop3 { mail_plugins = autocreate quota quota autocreate zlib deleted_to_trash pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s } protocol lda { hostname = r13151.ovh.net info_log_path = log_path = mail_plugins = autocreate sieve quota postmaster_address = postmaster(a)fakessh.eu sendmail_path = /usr/lib/sendmail } protocol sieve { managesieve_implementation_string = dovecot managesieve_logout_format = bytes ( in=%i : out=%o ) managesieve_max_line_length = 65536 } -- http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xC2626742 gpg --keyserver pgp.mit.edu --recv-key C2626742 http://urlshort.eu fakessh @ http://gplus.to/sshfake http://gplus.to/sshswilting http://gplus.to/john.swilting https://lists.fakessh.eu/mailman/ This list is moderated by me, but all applications will be accepted provided they receive a note of presentation

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[Dovecot] Mail delivery to subfolders via address extension, and prefered lda method
by Micha Krause 27 Feb '12

27 Feb '12

Hi, I want to deliver mails directly to subfolders, based on address extensions. Example: Emails sent to: micha+test(a)example.com Should be stored into user micha, folder INBOX.test I was able to reproduce this with exim and dovecot-lda: command = /usr/lib/dovecot/dovecot-lda -e -m "INBOX.${substr_1:$local_part_suffix}" But I was wondering if I could do this within dovecot, which would enable me to use LMTP instead of dovecot-lda. Which brings me to my second question: Which method is "better" for dovecot, lda or LMTP? Micha Krause

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[Dovecot] Virtual Folders
by jacob＠alltechservices-ia.com 27 Feb '12

27 Feb '12

Hello, I am trying to get virtual folders to work properly, and I can't seem to. I will be as detailed as possible to remove confusion. Thank you in advance. Goal: Essentially, a gmail clone, but one that I can make work on cPanel hosts with roundcube and squirrel mail, etc. By default, cpanel creates user mail dir structure of (maildir++) inbox, drafts, sent, junk, and trash (with no dovecot specific files until first login) I would like to replace all those folders with virtual representations with more capabilities. I would like to achieve the conversation view that gmail has pulled off so well. cPanel, stock, generates the following dovecot -n: (i am still not sure how it negotiates mail_location yet) # 1.2.17: /etc/dovecot.conf # OS: Linux 2.6.18-238.5.1.el5xen x86_64 CentOS release 5.7 (Final) ssl_cert_file: /etc/dovecot/ssl/dovecot.crt ssl_key_file: /etc/dovecot/ssl/dovecot.key ssl_cipher_list: ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:-LOW:-SSLv2:-EXP login_dir: /var/run/dovecot/login login_executable: /usr/libexec/dovecot/imap-login login_process_per_connection: no login_processes_count: 10 login_max_processes_count: 100 login_max_connections: 500 mail_max_userip_connections: 200 maildir_copy_preserve_filename: yes mail_plugins: quota imap_quota namespace: type: private prefix: INBOX. inbox: yes list: yes subscriptions: yes lda: postmaster_address: postmaster(a)example.com auth default: mechanisms: plain login cache_size: 2048 username_chars: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!#$-=?^_{}~./@+% passdb: driver: checkpassword args: /usr/local/cpanel/bin/dovecot-auth userdb: driver: prefetch socket: type: listen client: path: /var/run/dovecot/auth-client mode: 438 plugin: quota: maildir quota_rule: Trash:ignore I started a test box with Debian running the same version of dovecot (1.2.x) and on that system I run into problems every time I make a virtual folder a root folder. I assume it is trying to look up a normal folder instead of the virtual ones and I am confusing it. So I came here because it would be really really neat if I could pull this off. Again, thank you in advance. -cornfeed

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