- dovecot - dovecot.org

[Dovecot] Auth wit multiple ldap configfiles
by Dominik Saar 18 Jan '06

18 Jan '06

Hi, trying to deliver local mails with exim over dovecot. The problem is, that i logged in with a username from ldap to imap For this i created in dovecot.conf auth imap { args = /path/to/dovecot-ldap.conf ...... } And for delivery i use command = /path/to/dovecot/deliver -d $local_part@$domain in the exim.conf $local_part is diferent to the loginname in the ldaptree So i create in dovecot.conf auth deliver { args = /path/to/dovecot-ldap_deliver.conf } Sometime dovecot check the "auth deliver" section and sometimes the "auth imap" section i created. I don´t understand why dovecot doesn´t check allways both sections?!? P.S.: Sorry my english :)

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[Dovecot] gdbhelper.c concerns
by Jeff A. Earickson 17 Jan '06

17 Jan '06

Timo, I was surprised to find both an execvp() and a system() call in gdbhelper.c. While gdbhelper should be running as an ordinary user (the person running imap), I find it a bit scary. I realize that the code is getting ready to run gdb, which is god-knows-where in the user's path. But still... Maybe the code should do a getuid() and/or geteuid() and refuse to run if the uid is zero. Also, the code does the fork() *before* checking the argc count. Maybe do it the other way around so the i_fatal is killing one process instead of two. Jeff Earickson Colby College

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[Dovecot] 1.0 beta1 -- kevent() for notify failed: Invalid argument
by John Wong 17 Jan '06

17 Jan '06

after upgrade to 1.0 beta1 i see the warning/error message in mail log like this: kevent() for notify failed: invalid argument I/O leak: 0x1c05b6cc (5) is it normal?

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[Dovecot] 1.0 beta1 plugin-loading
by Jan-Piet Mens 17 Jan '06

17 Jan '06

When a user logs on, the following messages appear in the log: dovecot: imap 21360 : Loading modules from directory: /usr/local/lib/dovecot/imap dovecot: imap 21360 : dlopen(/usr/local/lib/dovecot/imap/lib02_trash_plugin.so) failed: /usr/local/lib/dovecot/imap/lib02_trash_plugin.so: undefined symbol: quota dovecot: imap 21360 : Module loaded: /usr/local/lib/dovecot/imap/lib01_quota_plugin.so dovecot: imap 21360 : dirsize quota path = /shared/homes/rscweb.net/jpm/Maildir/ dovecot: imap 21360 : dirsize quota limit = 512000kB dovecot: imap 21360 : Module loaded: /usr/local/lib/dovecot/imap/lib02_imap_quota_plugin.so dovecot: imap 21360 : dlopen(/usr/local/lib/dovecot/imap/lib01_zlib_plugin.so) failed: /usr/local/lib/dovecot/imap/lib01_zlib_plugin.so: undefined symbol: gzseek Removing those files with rm -f lib01_zlib_plugin.* lib02_trash_plugin.so solves the problem. Platform Centos 4.2 , Linux 2.6.9-22.0.1.ELsmp Regards, -JP

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[Dovecot] 1.0beta1: bullet-proofing dovecot-example.conf
by Jeff A. Earickson 17 Jan '06

17 Jan '06

Timo, I got bit last night during my upgrade to beta1 by uncommenting the following part of dovecot.conf for my site: #passdb passwd-file { # File contains a list of usernames, one per line #args = /etc/dovecot.deny #deny = yes #} I did a "s/#//" over this block of code, thereby uncommenting the comment too. Then I wondered why beta1 wouldn't start for me, until I found the conf syntax error. I suggest "bullet-proofing" some of the comments in dovecot-example.conf against this error, like so: #passdb passwd-file { ### File contains a list of usernames, one per line #args = /etc/dovecot.deny #deny = yes #} Attached is a diff against beta1 dovecot-example.conf to fix this kind of dumb mistake. Jeff Earickson Colby College

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[Dovecot] SSL and login_process_per_connection = no
by Chris Wakelin 17 Jan '06

17 Jan '06

Just thought I'd check, but is the combination of SSL and "login_process_per_connection = no" expected? I'm wondering, because imap_login is doing the SSL-proxying, and in our live Dovecot instance we have "login_process_per_connection = no" (we had problems with authentication and running out of file descriptors early on, now fixed by using userdb = passwd-file rather than NIS). This combination seems to work OK in 1.0-beta1, except I just got disconnected with a log entry: Warning: imap-login: SSL_write() syscall failed: Bad file number [<IP address>] which I've never seen before (though I've been testing this with alpha5 for weeks). Best Wishes, Chris -- --+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+- Christopher Wakelin, c.d.wakelin(a)reading.ac.uk IT Services Centre, The University of Reading, Tel: +44 (0)118 378 8439 Whiteknights, Reading, RG6 2AF, UK Fax: +44 (0)118 975 3094

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[Dovecot] 1.0 beta1 testing
by Timo Sirainen 17 Jan '06

17 Jan '06

If you have time, please test http://dovecot.org/nightly/dovecot-latest.tar.gz If nothing big comes up, I'll release it as 1.0beta1 tomorrow evening.

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[Dovecot] Duplicate suppression
by Greg Trounson 17 Jan '06

17 Jan '06

Hi there, Does the Dovecot project have plans to implement duplicate suppression at some stage? I have a situation where several people belong to more than one mailing list. One alias ('staff') incorporates several lists. These staff are receiving duplicate messages (one copy for every list they're on) when a message is sent to this staff alias. There is no reason they need to receive more than one copy. There seems to be no way I can turn that feature off in my MTA so I thought I'd try a bit further down the chain. thanks, Greg

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[Dovecot] virtual users with winbind
by Paul Matthews 17 Jan '06

17 Jan '06

hi there, i'm trying to setup virtual users with winbind, i have everything setup in dovecot other than 'Data source for users, homes and IDs'. i have 'Password authentication source' set to auth_passdb = pam my pam module is using winbind with the mkhomedir.so i have 'Mail file location' set to default_mail_env = mbox:/home/%u/mail:INBOX=/var/spool/mail/%u i have 'Data source for users, homes and IDs' set tp auth_userdb = passwd at the moment my local users can sign in, but my winbind users can't, i'm looking for a way to make auth_userdb look up a pam module, or something ... i don't know what i'm looking for, can someone help me with virtual users with winbind?

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[Dovecot] in a major jam...
by Tom Allison 16 Jan '06

16 Jan '06

I upgraded my dovecot installation from something <<1.0 to 0.99.14 today. I wasn't exactly planning to but it just came along for the ride when I upgraded the rest of my system. I was using postgresql for the authentication. Nothing works. the debug logs show that I'm able to make a connection to the database table well enough: auth(default): pgsql: Connected to dbmail (that's my database name) When I attempt to login I get (briefly) password mismatch. I haven't changed the password in well over a year. My old configuration file for dovecot.conf went to the tune of: login = imap auth_mechanisms = plain auth_passdb = pgsql:/etc/dovecot/dovecot-pgsql.conf auth_user = root (probably not the best, but it worked) I now have a config file something like this: dovecot-pgsql.conf -- added the 'driver = pgsql' statement. Because it's able to connect to the database I don't think this is much of a problem here. dovecot.conf (these are all the non-empty lines, except for some logging stuff) protocols = imap disable_plaintext_auth = no protocol imap { } protocol pop3 { } auth_verbose = yes auth_debug = yes auth default { mechanisms = plain passdb pam { } passdb sql { args = /etc/dovecot/dovecot-pgsql.conf } userdb passwd { } user = root } It's fairly obvious that there has been a lot of work done on getting more authentication mechanisms in place for dovecot. That's great, and some day I want to play with it, but this is not the day for it. help.... help.... oh help!

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[Re: [Dovecot] in a major jam...]
by Tom Allison 16 Jan '06

16 Jan '06

Marcus Rueckert wrote: > On 2006-01-16 14:46:36 -0500, Tom Allison wrote: > >>I upgraded my dovecot installation from something <<1.0 to 0.99.14 >>today. I wasn't exactly planning to but it just came along for the ride >>when I upgraded the rest of my system. > > > do you mind to upgrade to the release mentioned in this mail > http://www.dovecot.org/list/dovecot/2006-January/010832.html ? > > the 0.99.14 code base is 2y old and no longer actively maintained. > I upgraded from 0.99.14. It reports 1.0alpha5 now. This is the transistion that broke me. And I just realized I posted this twice to the mailing list. My rather hastily set up connection to another mail server wasn't telling me I actually sent anything.

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[Dovecot] Plain password not authenticating
by Anne Wilson 16 Jan '06

16 Jan '06

I'm trying to set up a temporary mailserver using Debian Sarge and Dovecot 1.0 with maildir format. My only previous experience has been on a simple imap server. I have read the wiki documentation and searched the archives, but can't tie down my problem. The log tells me Info: passwd-file(anne) : unknown user. I have set auth_userdb = passwd-file /etc/imap.passwd auth_passdb = passwd-file /etc/imap.passwd and created the /etc/imap.passwd file as anne:{plain}mypassword:1000:1000::/home/anne What have I missed? Anne -- Registered Linux User No.293302 (http://counter.li.org/)

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[Dovecot] Re: Dovecot memory use and settings
by Roger Weeks 16 Jan '06

16 Jan '06

We're continuing to have dovecot auth-worker failures once or more times per day. The symptoms are these in the log: pop1 dovecot: auth-worker(default): Out of memory (Needed 8164 bytes) or auth-worker(default): sql(lewis1,12.43.59.134): Password query failed: MySQL client ran out of memory Timo suggested that we need to up the auth_process_size = 256 However, we've tried increasing this to 512 and then 768. The comment on the entry says # Set max. process size in megabytes. These changes don't seem to make any difference. On both of our servers (RH ES4, 1MB RAM), we never seem to have more than 300MB of RAM used. However, the auth-worker process continues to fail occasionally. It does respawn itself after a couple of minutes, but in that time all authentication for dovecot fails. Am I missing something else in the config? -- Roger J. Weeks Systems & Network Administrator Mendocino Community Network On Jan 11, 2006, at 12:51 PM, Timo Sirainen wrote: > On Wed, 2006-01-11 at 12:40 -0800, Roger Weeks wrote: >> pop1 dovecot: auth-worker(default): Out of memory (Needed 8164 bytes) >> >> or >> >> auth-worker(default): sql(lewis1,12.43.59.134): Password query >> failed: MySQL client ran out of memory > > These are different from the system running out of memory. It's about > authentication process size hitting its configured limit. Default is: > > # Set max. process size in megabytes. > #auth_process_size = 256 > > So it appears that it's trying to grow above 256MB at which point it > gets killed. This could mean that something is leaking memory, but I > don't remember other people having this problem, so it might be > somehow > specific to your configuration. > > In any case those auth-workers are restarted automatically whenever > they > die so it shouldn't be that big of a problem? > > There are also ways to debug this if you want to.. >

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[Dovecot] Imap working, but not Pop3
by Cyril Spiro 16 Jan '06

16 Jan '06

I'm running Redhat Linux 4.1 and I have dovecot loaded and imap is working. Users can get their mail via squirrelmail. But everytime I try to 'chkconfig ipop3 on' I get the error 'error reading information on service pop3: no such file or directory'. Any ideas?

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[Dovecot] passdb-pam: PAM_RHOST on FreeBSD >= 5.0 (where PAM != Linux-PAM)
by Tom Alsberg 16 Jan '06

16 Jan '06

This is actually something I had on my mind to write about in the past few -stable and alpha releases, but did not get to and instead always patched myself. Now having updated to the latest snapshot (which may be released as beta1), I stumbled on it again: In src/auth/passdb-pam.c, where the client host is passed to PAM, the code looks like this: #ifdef PAM_RHOST const char *host = net_ip2addr(&request->remote_ip); if (host != NULL) pam_set_item(pamh, PAM_RHOST, host); #endif For some reason there is a preprocessor/compile-time check whethere there exists such a preprocessor symbol as the PAM item PAM_RHOST (why check that? IIRC PAM_RHOST is standard and in all PAM implementations). However, PAM_RHOST (or other PAM items, for that matter), are not preprocessor symbols in all PAM implementations. For example, in OpenPAM (the PAM implementation used on FreeBSD >= 5.0, among others; FreeBSD 4 used Linux-PAM), PAM items are elements of an enum, and thus this check fails, and the client host is not passed to PAM. Since it can be defined in several ways, I do not see how to check for it other than using a compilation test (in autoconf) and then defining something like HAVE_PAM_RHOST in config.h. However I do not see why check for it at all, so I propose to remove that #ifdef. Tiny patch attached for that. Cheers, -- Tom -- Tom Alsberg - hacker (being the best description fitting this space) Web page: http://www.cs.huji.ac.il/~alsbergt/ DISCLAIMER: The above message does not even necessarily represent what my fingers have typed on the keyboard, save anything further.

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[Dovecot] Looking to upgrade from .99.14 to 1.0alpha5
by Erik Dasque 15 Jan '06

15 Jan '06

Hi all, I was looking to upgrade my dovecot .99.14 installation to 1.0alpha5 today and bumped into an issue. My setup is on Mac OS X 10.4 and I am using After reading http://wiki.dovecot.org/UpgradingDovecot , I created a default dovecot.conf file with the following information grabbed from my prior installation: Snow:~ ed$ grep -v '^ *#' /usr/local/etc/dovecot.conf|grep -v ^$ ssl_disable = yes login = imap login = pop3 auth = default auth_mechanisms = plain auth_userdb = passwd auth_passdb = pam login auth_user = root auth_verbose = yes So as you can see, I use passwd and pam as my authentication db. So I copied over the dovecot-example.conf and as far as I know the only modifications I needed to make to the default file were to disable ssl and set the verbose and debug auth. Keep in mind that passwd/pam db methods work with .99.14 but with 1.0alpha5, I get the following: Jan 14 15:55:16 Snow dovecot: Dovecot v1.0.alpha5 starting up Jan 14 15:58:15 Snow dovecot: auth(default): client in: AUTH 1 PLAIN service=IMAP secured lip=127.0.0.1 rip=127.0.0.1 resp=AGVkAGFic2ludGhlMzM= Jan 14 15:58:15 Snow dovecot: auth(default): pam(ed,127.0.0.1): pam_authenticate() failed: Authentication failure Jan 14 15:58:15 Snow dovecot: auth(default): client out: FAIL 1 user=ed Jan 14 15:58:21 Snow dovecot: auth(default): client in: AUTH 2 PLAIN service=IMAP secured lip=127.0.0.1 rip=127.0.0.1 resp=AGVkAGFic2ludGhlMzM= Jan 14 15:58:21 Snow dovecot: auth(default): pam(ed,127.0.0.1): pam_authenticate() failed: Authentication failure Jan 14 15:58:21 Snow dovecot: auth(default): client out: FAIL 2 user=ed and so on and so forth. Any idea what could be causing this or how to debug this further ? Thanks in advance, Erik PS: my pam setup for dovecot is: Snow:~ ed$ more /etc/pam.d/dovecot auth required pam_unix.so nullok account required pam_unix.so

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[Dovecot] Occasional errors opening email folder in SquirrelMail
by Jonathan 15 Jan '06

15 Jan '06

Every once in a while I get this [1] error when trying to open a mail folder in SquirrelMail. I don't know enough about IMAP to tell if it is a SquirrelMail or a Dovecot issue. I also get this [2] error message every time I try to send an email. The email goes through but there is no copy in the Sent folder. If there is some kind of logging I can enable that would help with this please let me know. [1] ERROR: Bad or malformed request. Query: FETCH (FLAGS UID RFC822.SIZE BODY.PEEK[HEADER.FIELDS (Date To Cc >From Subject X-Priority Importance Priority Content-Type)]) Server responded: Error in IMAP command UID: Invalid arguments. [2] ERROR: Bad or malformed request. Server responded: Error in IMAP command APPEND: Thank you, Jonathan

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[Dovecot] How long to 1.0?
by Fredrik Tolf 15 Jan '06

15 Jan '06

Hi! I'm wondering how close Dovecot can be said to be to 1.0 "Final". How stable can the alpha branch be said to be? I was browsing around the Dovecot homepage, but I couldn't find any answer to this question. I hope it hasn't been asked (too many times) before. Fredrik Tolf

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[Dovecot] Corrupted index files
by Andy Cravens 15 Jan '06

15 Jan '06

I'm using alpha 5 and I'm getting "Corrupted index cache files" errors on one user's account. I found several posts in the mail archives on this subject and concluded from the responses that it's not a serious problem because Dovecot can deal with it. I deleted the index files and they were recreated but the error persists. The end user did not notice any problem but it makes me nervous. Is this something I should be concerned about? dovecot: Jan 12 10:22:06 Error: imap(username): Corrupted index cache file /export/home/username/mail/dovecot.index.cache: Duplicated field in header: hdr.CONTENT-TYPE dovecot: Jan 12 14:31:08 Error: imap(username): Corrupted index cache file /export/home/username/mail/.syslog_analyzer/dovecot.index.cache: Duplicated field in header: hdr.CONTENT-TYPE dovecot: Jan 12 14:43:56 Error: imap(username): Corrupted index cache file /export/home/username/mail/.gl3_ip_allocation/dovecot.index.cache: Duplicated field in header: hdr.CONTENT-TYPE By the way... is there a search function somewhere for searching the mailing list archives? I ended up selecting one month at a time and searching through the thread titles with my browser's "find" button. -- Andy

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[Dovecot] 20060114 snapshot compilation warnings
by Chris Wakelin 15 Jan '06

15 Jan '06

Timo, I've noticed a couple of extra compilation errors in last night's snapshot compared to the snapshot I downloaded on Tuesday, probably due to the int -> bool change :- (gcc 3.3.2 on Solaris 8) mbox-sync.c: In function `mbox_sync': mbox-sync.c:1568: warning: comparison is always false due to limited range of data type index-search.c: In function `search_index_arg': index-search.c:131: warning: comparison is always false due to limited range of data type quota-storage.c: In function `quota_check': quota-storage.c:114: warning: passing arg 3 of `quota_try_alloc' from incompatible pointer type together with a few "unused parameter/variable" errors which were there before. I also needed to rewrite half my internal patches :) but that shouldn't have made any difference (they certainly don't involve those files). Best Wishes, Chris -- --+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+- Christopher Wakelin, c.d.wakelin(a)reading.ac.uk IT Services Centre, The University of Reading, Tel: +44 (0)118 378 8439 Whiteknights, Reading, RG6 2AF, UK Fax: +44 (0)118 975 3094

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[Dovecot] How can I archive maildir?
by Neal Becker 15 Jan '06

15 Jan '06

Does anyone have a suggestion how to archive old maildir format mail?

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Fwd: Re: [Dovecot] Compile problem on FreeBSD 6.0-STABLE
by Peter Losher 15 Jan '06

15 Jan '06

On Friday 30 December 2005 12:54 pm, Brad wrote: > Why would you install a port of something that comes with > the base OS, especially MIT Kerb5? While Krb5 is included in FreeBSD, it's Heimdal implementation, not MIT's, and some of us have valid reasons for running MIT Krb5 instead and the API's are different between the two. Best Wishes - Peter -- [ http://www.plosh.net/ ] - "Earth Halted: Please reboot to continue"

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[Dovecot] Password changing?
by john 14 Jan '06

14 Jan '06

Hey all, new user to the dovecot mailing list but I promise, this is a neat question. Is it possible to request users change their email password through their email client? I'm currently authenticating email logins to my dovecot server through SSL, with each users password checked against their /etc/passwd password. So far, thunderbird will ask for the users new password (forced change at first logon,) but it fails to change the users password through the encrypted email connection. Any assistance would be gladly appreciated. Getting past this hurdle means i can eliminate one more bill gates server/money hole with a power button. P.S. If anyone isnt using this "feature" to get users to set their email password, how might i ask are you getting users to change their email password to dovecot? --John

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[Dovecot] [BUG] Thread command
by Sebastjan Trepca 14 Jan '06

14 Jan '06

Hi, while implementing thread support in our mail application I found a bug which kills IMAP(alpha5, SUSE 10) process... These are the commands: x OK Logged in. x select INBOX * FLAGS (\Answered \Flagged \Deleted \Seen \Draft NonJunk Junk $Forwarded Spam) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft NonJunk Junk $Forwarded Spam \*)] Flags permitted. * 2280 EXISTS * 1 RECENT * OK [UNSEEN 473] First unseen. * OK [UIDVALIDITY 1136386397] UIDs valid * OK [UIDNEXT 2319] Predicted next UID x OK [READ-WRITE] Select completed. x uid thread references utf8 (SUBJECT "locking") * THREAD (2289 2307) * 2281 EXISTS * 1 RECENT x OK Thread completed. x UID THREAD REFERENCES UTF8 (SUBJECT 'locking') Connection closed by foreign host. This is the code dump: (gdb) bt full #0 0xdededede in ?? () No symbol table info available. #1 0x08060127 in mail_thread_deinit (ctx=0x80c0120) at imap-thread.c:100 No locals. #2 0x080611e2 in imap_thread (cmd=0x80c5c34, charset=0x80c5f48 "UTF8", args=0x80ea980, type=MAIL_THREAD_REFERENCES) at imap-thread.c:156 wanted_headers = {0x80b6645 "message-id", 0x80b2947 "in-reply-to", 0x80b2953 "references", 0x80b1978 "subject", 0x0} client = (struct client *) 0x80c5bf0 headers_ctx = (struct mailbox_header_lookup_ctx *) 0x80eb188 ctx = (struct thread_context *) 0x80c0120 mail = (struct mail *) 0x80ced28 ret = 0 #3 0x080598b5 in cmd_thread (cmd=0x80c5c34) at cmd-thread.c:66 client = (struct client *) 0x80c5bf0 sargs = <value optimized out> args = (struct imap_arg *) 0x80c5ea0 args_count = <value optimized out> pool = 0x80ea930 error = <value optimized out> charset = 0x80c5f48 "UTF8" str = 0x80c5f38 "REFERENCES" #4 0x0805a271 in _client_input (context=0x80c5bf0) at client.c:338 cmd = (struct client_command_context *) 0x80c5c34 ret = <value optimized out> #5 0x080a91c8 in io_loop_handler_run (ioloop=0x80c49b0) at ioloop-epoll.c :250 ctx = <value optimized out> event = (struct epoll_event *) 0x80c4a00 io = (struct io *) 0x80c5da8 tv = {tv_sec = 0, tv_usec = 999991} t_id = 2 msecs = <value optimized out> ret = 0 i = 0 call = <value optimized out> #6 0x080a881b in io_loop_run (ioloop=0x80c49b0) at ioloop.c:230 No locals. #7 0x080617e4 in main (argc=3, argv=0xbfa6e7d4, envp=0xbfa6e7e4) at main.c :235 No locals. Hope this is enough. Sebastjan

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[Dovecot] Errors in /var/log/maillog and /var/log/dovecot.log
by Li Cai 14 Jan '06

14 Jan '06

I am trying to migrate from UW imap to dovecot. OS: RHEL 3 X86 MTA: Postfix Auth: PAM (NIS server) Most of the users are fine, but I have some users have problems: " Jan 14 09:18:42 Info: imap-login: Internal login failure: user=<user1>, method=PLAIN, rip=X.X.X.X, lip=X.X.X.X, TLS " This happens on dovecot version dovecot-1.0.alpha5-1 and dovecot-0.99.11-1 If anyone else has met such problem? Thanks Li

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