- dovecot - dovecot.org

[Dovecot] doveadm mailbox status 2.0.12 crashes
by Joseph Tam 09 May '11

09 May '11

My gdb won't cooperate and produce a backtrace so I hope this dbx stack trace gives sufficient clues as to why it crashed. It happended when I was testing a doveadm command for a user which a large collection of mboxs: # dbx doveadm (dbx) run mailbox status -u user messages \* ... long list ... igel messages=1 INBOX messages=231 doveadm(user): Panic: Trying to deinit storage before freeing its objects doveadm(user): Error: Raw backtrace: 0xff1bf0e4 -> 0xff1bf34c -> 0xff2a42a0 -> 0xff29d68c -> 0xff29e494 -> 0xff2a7bc4 -> 0xff2a7e3c -> 0x16894 -> 0x169a0 -> 0x16e18 -> 0x17234 -> 0x17304 -> 0x1c0a0 -> 0x1629c signal ABRT (Abort) in __lwp_kill at 0xfefcd6ac 0xfefcd6ac: __lwp_kill+0x0008: bcc,a,pt %icc,__lwp_kill+0x18 ! 0xfefcd6bc Current function is default_fatal_finish dbx: warning: can't find file "/build/dovecot-2.0.12/src/lib/failures.c" (dbx) where [1] __lwp_kill(0x0, 0x6, 0x0, 0x6, 0xffbffeff, 0x0), at 0xfefcd6ac [2] raise(0x6, 0x0, 0x0, 0xfefacd88, 0xffffffff, 0x6), at 0xfef669ac [3] abort(0xff1ea980, 0x1, 0x0, 0xee4cc, 0xff0334d8, 0x0), at 0xfef42010 =>[4] default_fatal_finish(type = LOG_TYPE_PANIC, status = 0), line 187 in "failures.c" [5] default_fatal_handler(ctx = 0xffbff598, format = (nil), args = 0xffbff600), line 201 in "failures.c" [6] i_panic(format = 0xff30d3b8 "Trying to deinit storage before freeing its objects", ...), line 259 in "failures.c" [7] mail_storage_unref(_storage = 0x6b9ec), line 379 in "mail-storage.c" [8] mail_namespace_free(ns = 0x6b9b8), line 52 in "mail-namespace.c" [9] mail_namespaces_deinit(_namespaces = 0x66efc), line 438 in "mail-namespace.c" [10] mail_user_deinit_base(user = 0x66ec0), line 28 in "mail-user.c" [11] mail_user_unref(_user = 0x55450), line 140 in "mail-user.c" [12] doveadm_mail_next_user(ctx = 0x55438, input = 0x55450, error_r = 0xffbff8c4), line 221 in "doveadm-mail.c" [13] doveadm_mail_single_user(ctx = 0x55438, argv = 0xffbffc08, username = 0xffbffd1f "user", service_flags = -4196156), line 246 in "doveadm-mail.c" [14] doveadm_mail_cmd(cmd = 0x544f0, argc = 5, argv = 0xffbffc08), line 416 in "doveadm-mail.c" [15] doveadm_mail_try_run_multi_word(cmd = 0x544f0, cmdname = 0x2ade0 "status", argc = 6, argv = 0xffbffbf8), line 457 in "doveadm-mail.c" [16] doveadm_mail_try_run(cmd_name = 0xffbffd0d "mailbox", argc = 6, argv = 0xffbffbf8), line 480 in "doveadm-mail.c" [17] main(argc = 6, argv = 0xffbffbf8), line 183 in "doveadm.c" Joseph Tam <jtam.home(a)gmail.com>

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[Dovecot] NONEXISTENT handling
by Michael M Slusarz 09 May '11

09 May '11

As of 2.0.12, looks like NONEXISTENT response code isn't working properly again. Previously brought up issues relating to this here: http://markmail.org/message/jxbgdfv26pws66og With a nonexistent mailbox "FOO", I see this: 1 DELETE "FOO" 1 NO Mailbox doesn't exist: FOO // Should be: 1 NO [NONEXISTENT] Mailbox doesn't exist: FOO 2 RENAME "FOO" "BAR" 2 NO Mailbox doesn't exist: FOO // Should be: 2 NO [NONEXISTENT] Mailbox doesn't exist: FOO michael

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Re: [Dovecot] alpine + Maildir
by upen 09 May '11

09 May '11

On Mon, May 9, 2011 at 10:16 AM, upen <upendra.gandhi(a)gmail.com> wrote: >>> >> What you are probably looking for is in the alpine configuration (setup -> >> configure) the 'Hide Empty Directories' option which you have to turn on. >> >> It corresponds to the 'quell-empty-directory' in pinerc >> >> Hope it helps. >> Hi Wolfgang, You are right, that option should have taken care of [/] directory after each folder , however for some reason it doesn't and I don't understand why. One update however with #md implementation is that I just tried one more thing in my alpine configuration and [/] has vanished after that so probably I don't have to configure for password-less alpine on the email server. Here is the specific configuration from my /etc/pine.conf or .pinerc 1. maildir-location=../../Mail/${LOGNAME} #folder-collections=Mail {localhost/novalidate-cert/ssl/user=${LOGNAME}}[] <---- Commented. 2. folder-collections=Mail #md/../../Mail/${LOGNAME}/.[] With this configuration, all folders appear fine. Folders : INBOX sent-mail saved-messages ABC PINE_FOLDER Queue Sent Trash sent-mail-apr-2011 In addition, I am going to change sent messages and saved messages setting as below so that when users are migrated from ~/mail to /Mail/user/ (maildir) format then their newly sent emails and saved messages also continue to go into /Mail/user/.sent-mail and /Mail/user/.saved-messages folder respectively. default-fcc=sent-mail default-saved-msg-folder=saved-messages Thank you everyone for their inputs. Appreciate it. UG

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Re: [Dovecot] alpine + Maildir
by upen 09 May '11

09 May '11

On Mon, May 9, 2011 at 10:01 AM, upen <upendra.gandhi(a)gmail.com> wrote: >> >> This is what I am doing right now. >> >> http://www.asheesh.org/note/sysop/passwordless-alpine.html says a little >> more. I strongly recommend this. >> >> In fact, I think I should someday talk to the re-alpine team and figure out >> how to make this easier to configure. It's already reasonably easy, but it >> can require some fiddling. > Hi Asheesh, Excellent, that is a very very useful information. I am going to try and use this method if #md doesn't work at all. Thanks very much for helping me out. Thanks, UG

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[Dovecot] dovecot user lost entire folder
by Spyros Tsiolis 09 May '11

09 May '11

Hello kind people, OK, today is a bad day for me. A user from a clients' site called early in the morning to inform me that she lost an entire folder on thunderbird with (naturally) important stuff in it. I am trying to find the lost folder, but there is nowhere to be found. Any ideas would greatly appreciated. Regards, Spyros "dovecot -n" : ------------------------------------------------- # 1.2.16: /etc/dovecot/dovecot.conf # OS: Linux 2.6.18-194.17.4.el5 i686 CentOS release 5.5 (Final) ext3 base_dir: /var/run/dovecot/ log_path: /var/log/dovecot/dovecot.log info_log_path: /var/log/dovecot/dovecot-info.log ssl_parameters_regenerate: 48 verbose_ssl: yes login_dir: /var/run/dovecot//login login_executable: /usr/local/dovecot/libexec/dovecot/imap-login login_greeting: * Dovecot ready * login_max_processes_count: 64 mail_location: maildir:/var/MailRoot/domains/%d/%n/Maildir mail_plugins: zlib auth default: verbose: yes debug: yes debug_passwords: yes passdb: driver: passwd-file args: /etc/dovecot/passwd passdb: driver: pam userdb: driver: static args: uid=vmail gid=vmail home=/home/vmail/%u userdb: driver: passwd ------------------------------------------------- ---- "I merely function as a channel that filters music through the chaos of noise" - Vangelis

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[Dovecot] Fwd: Saving mails to +detail failed: Namespace error
by Peer Heinlein 09 May '11

09 May '11

Hi! Since our mails aren't saved correctly since we updated to 2.xx I'd really appreciate some help. What's going wrong? My mistake? Bug? Peer ---------- Weitergeleitete Nachricht ---------- Betreff: [Dovecot] Saving mails to +detail failed: Namespace error Datum: Dienstag, 3. Mai 2011, 12:50:20 Von: Peer Heinlein <p.heinlein(a)heinlein-support.de> An: dovecot(a)dovecot.org We have the following namespace: namespace { inbox = yes list = yes location = prefix = INBOX/ separator = / subscriptions = yes type = private } namespace { list = children location = maildir:%%h:INDEX=%h/shared/%%u:CONTROL=%h/shared/%%u prefix = shared/%%u/ separator = / subscriptions = yes type = shared } and we set: lmtp_save_to_detail_mailbox = yes recipient_delimiter = + But sending Mails to user+detail is failing: May 3 12:40:06 dobby2 postfix/cleanup[8245]: 12E787756C: message- id=<201105031239.40804.p.heinlein(a)heinlein-support.de> May 3 12:40:06 dobby2 postfix/qmgr[23304]: 12E787756C: from=<p.heinlein(a)heinlein-support.de>, size=1963, nrcpt=1 (queue active) May 3 12:40:06 dobby2 dovecot: lmtp(6537): Debug: auth input: p.heinlein(a)jpberlin.de home=/mail/jpberlin.de/p.heinlein/Maildir/ uid=10000 gid=10000 May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Debug: Effective uid=10000, gid=10000, home=/mail/jpberlin.de/p.heinlein/Maildir/ May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Debug: Namespace : type=private, prefix=INBOX/, sep=/, inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~:INDEX=/cache/jpberlin.de/p.heinlein May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Debug: maildir++: root=/mail/jpberlin.de/p.heinlein/Maildir/, index=/cache/jpberlin.de/p.heinlein, control=, inbox=/mail/jpberlin.de/p.heinlein/Maildir/ May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Debug: Namespace : type=shared, prefix=shared/%u/, sep=/, inbox=no, hidden=no, list=children, subscriptions=yes location=maildir: %h:INDEX=/mail/jpberlin.de/p.heinlein/Maildir//shared/%u:CONTROL=/mail/jpberlin.de/p.heinlein/Maildir//shared/%u May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Debug: shared: root=/var/run/dovecot/, index=, control=, inbox= May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Debug: Pg/fKrHav02JGQAAir+T1Q: sieve: user's script path /mail/jpberlin.de/p.heinlein/Maildir//../.dovecot.sieve doesn't exist (using global script path in stead) May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Debug: Pg/fKrHav02JGQAAir+T1Q: sieve: user has no valid personal script May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Debug: Pg/fKrHav02JGQAAir+T1Q: sieve: no scripts to execute: reverting to default delivery. May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Pg/fKrHav02JGQAAir+T1Q: msgid=<201105031239.40804.p.heinlein@heinlein- support.de>: save failed to Cong: Unknown namespace May 3 12:40:06 dobby2 dovecot: lmtp(6537, p.heinlein(a)jpberlin.de) Pg/fKrHav02JGQAAir+T1Q: msgid=<201105031239.40804.p.heinlein@heinlein- support.de>: saved mail to INBOX May 3 12:40:06 dobby2 postfix/lmtp[8338]: 12E787756C: to=<p.heinlein+Cong(a)jpberlin.de>, relay=dobby.heinlein- support.de[private/lmtp-dovecot], delay=0.1, delays=0.06/0.02/0/0.02, dsn=2.0.0, status=sent (250 2.0.0 <p.heinlein+Cong(a)jpberlin.de> Pg/fKrHav02JGQAAir+T1Q Saved) But a folder named "Cong" exists: # ls -la .Cong -d drwx------ 5 vmail vmail 4096 30. Apr 04:46 .Cong # What's going wrong? My mistake or is it a bug? peer -- Heinlein Professional Linux Support GmbH Linux: Akademie - Support - Hosting http://www.heinlein-support.de Tel: 030/405051-42 Fax: 030/405051-19 Zwangsangaben lt. §35a GmbHG: HRB 93818 B / Amtsgericht Berlin-Charlottenburg, Geschäftsführer: Peer Heinlein -- Sitz: Berlin

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Re: [Dovecot] exceeded mail_max_userip_connections
by Voytek Eymont 09 May '11

09 May '11

On Mon, May 9, 2011 11:51 am, Mark Sapiro wrote: > Voytek Eymont wrote: >> I thought it was 3.6x, I installed off market abt one week ago > If you got it a week ago from the market, it's probably 3.604. thanks, 3.605 -- Voytek

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[Dovecot] Issues with authentication failure delays
by Kevin Goodsell 08 May '11

08 May '11

There are two rather clear issues with the state of authentication failure delays. First, the delay length isn't what was (presumably) intended. Second, there is a new way of doing failure delays in Dovecot 2 which was added *in addition to* the old method, rather than replacing it. As a result delays may not be the expected length and settings don't have the expected effect. First, the length of the failure delays. Based on auth/auth-penalty.c and auth/auth-penalty.h, it seems rather clear that the delay time (for the newer type of failure delay) was intended to start at 2 seconds and double for each failure (see auth_penalty_to_secs), but be capped at 15 seconds. However, a simple test which tries to log in 5 times with a random password and times each attempt shows something different: $ cat authtest.py import imaplib import time import random conn = imaplib.IMAP4('localhost') for i in range(5): try: start = time.time() conn.login('testusers', str(random.random())) except Exception, e: print e print time.time() - start $ python authtest.py [AUTHENTICATIONFAILED] Authentication failed. 0.502058982849 [AUTHENTICATIONFAILED] Authentication failed. 4.50464391708 [AUTHENTICATIONFAILED] Authentication failed. 8.50679802895 [AUTHENTICATIONFAILED] Authentication failed. 15.5040819645 [AUTHENTICATIONFAILED] Authentication failed. 15.5039038658 (Note that these results are with auth_failure_delay set to 0, more on that in a bit.) Aside from the extra half second on each attempt (which I have no clue about), there is no delay on the first attempt. Subsequent delays seem to have the correct timing. I *think* this is because auth_penalty_lookup is called from auth_request_handler_auth_begin, that is, at the *beginning* of an authentication attempt, therefore not affecting the first failed attempt. This may be too minor an issue to worry much about, but it certainly looks to me like it's not doing quite what was intended. Moving on to the second issue. Revision fbff8ca77d2e added a new style of authentication failure delay, but left the existing failure delay mechanism in place. The old failure delay uses the auth_failure_delay setting, and could be disabled by using a value of 0 for that setting. Its remnants are in auth/auth-request-handler.c in the function auth_request_handler_flush_failures. It looks like much of the code in that file could be removed or simplified by eliminating this older failure delay system. Better still, I would like to see the auth_failure_delay setting retained and used in the new system. The value of the setting could be used in place of AUTH_PENALTY_INIT_SECS, allowing similar configurability to what the old system offered. -Kevin

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[Dovecot] exceeded mail_max_userip_connections
by Voytek Eymont 08 May '11

08 May '11

Dumb Q I just got this in my Snapper client log I can't acces server log at this point dovecot 1.x I can access another account OK what it means, what I need do? (is this as I have K-9 client access same mail?) ---------- START MANUAL: 8/5/11 10:55 am RECEIVE: ACCOUNT: voytek SSL: Connection secure. IMAP Server: Maximum number of connections from user+IP exceeded (mail_max_userip_connections) Invalid login. Check username and password. DURATION: 3 END: 8/5/11 10:55 am Voytek Eymont ___ Sent from my iPalm/A with SnapperMail ™® www.snappermail.com

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[Dovecot] alpine + Maildir
by upen 08 May '11

08 May '11

Hello, I am trying to configure pine.conf for all users and running into an issue. In this setup, Mailbox format is Maildir and Maildir location is /Mail/Username/{new,cur,..etc} First thing required in alpine was patch for maildir and this has already been done. After that I have tried setting up folder-collection Mail #md ../../Mail/username and also tried using #mc (not sure which one is correct #md or #mc). Nothing worked. If maildir support in alpine does not work like it does for mbox then I'll have to configure IMAP setings in pine.conf for alpine users. I must say that alpine is installed on mail server :). Although IMAP setting may work fine, it will prompt user for password initially when checking email and while sending first email. I'd like to avoid this by using #md or #mc. If anyone has any useful inputs please let me know. Thank you! UG.

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