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[Dovecot] Howto set mail_location for system users over LDAP?
by Patrick Ben Koetter 28 Jan '08

28 Jan '08

In parallel to /etc/passwd I do have my system users in LDAP. I want to store their messages in /srv/mail/state-of-mind/<username>. Dovecot has been configured to retrieve the extra field mail to override the mail_location setting. I can see in the log it retrieves the correct information as long as I run Dovecot deliver as Postfix service 'dovecot' as shown in section "Virtual users" <http://wiki.dovecot.org/LDA/Postfix>. However if I use deliver as specified for "System users" it ignores the LDAP settings and delivers messages to my users $HOME directory as specified in /etc/passwd. Is this correct behaviour? What do I need to do to use the Postfix $mailbox_command _and_ have Dovecot deliver honor my LDAP settings? TIA, p@rick -- state of mind Agentur für Kommunikation, Design und Softwareentwicklung Patrick Koetter Tel: 089 45227227 Echinger Strasse 3 Fax: 089 45227226 85386 Eching Web: http://www.state-of-mind.de Amtsgericht München Partnerschaftsregister PR 563

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[Dovecot] Thunderbird Problem - What causes this?
by Marc Perkel 28 Jan '08

28 Jan '08

Strange problem and I'm not sure what's causing it. I'm using IMAP. A new message arives in the inbox. I see it displayed in the message list in bold. I click on the message and it looks like it's reading it by the previous message that was in the window remains and the new message is still bold (unread). However I can then click on an old message and then click on the new message again and it reads. I have also seen Thunderbird be in a somewhat unresponsive state. You can click on messages and they don't read. But Shutting down Thunderbird and restarting it make it responsive again. Has anyone seen this?

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[Dovecot] proxy configuration
by bill-dovecot＠carpenter.ORG 27 Jan '08

27 Jan '08

Before I spend some time experimenting with what might be impossible, maybe someone can just tell me (either "how" or that it's impossible). I'd like to get perdition out of my environment (mainly to have one less moving part in my architecture). I'm looking at dovecot's built-in proxying. In my setup, I don't have dedicated front-end machines. A user can connect to any server, but their mail files live on one particular machine. I'd like to transparently proxy them from whatever machine they happen to hit to their home machine. Except for the "proxy_maybe" feature advertised for dovecot 1.1, I don't see a surefire way to do this. Has anyone done it, or can anyone say for sure that it can't reasonably be done until "proxy_maybe"? Tx! -- bill-dovecot(a)carpenter.ORG (WJCarpenter) PGP 0x91865119 38 95 1B 69 C9 C6 3D 25 73 46 32 04 69 D6 ED F3

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[Dovecot] Thunderbird trouble with Dovecote and dbox
by Hannes Dorbath 27 Jan '08

27 Jan '08

Hi, I'm new to Dovecot -- migrating from Cyrus. Version and config: # 1.1.beta14: /etc/dovecot/dovecot.conf protocols: imaps login_dir: /var/run/dovecot/login login_executable: /usr/libexec/dovecot/imap-login mail_location: dbox:/data/mail/%u auth default: passdb: driver: pam args: * userdb: driver: passwd Linux 2.6.22-gentoo-r10 x86_64 GNU/Linux I have chosen dbox as mailbox format as it is claimed to be the best performing -- and performance is the reason I'd like to migrate away form Cyrus. I'm aware that dbox might not be 100% mature, but I'm good at doing backups. Anyway, so far I have the following problems: - Greyed out Inbox After creating a new user and connecting to that account with Thunderbird the first time, the INBOX folder is greyed out and in italic. Restarting Thunderbird 3-4 times seems to fix the problem. Google suggests that other people have seen the same, but they never found a solution. - After creating sub folders they are not displayed, I need to manually subscribe to them after creation. - When "Trash" contains folders, Thunderbird is unable to "Empty Trash". While the folder is removed from Thunderbird's folder tree, it's there again after a restart of Thunderbird. - Deleted folders are never deleted from the file system. I'm not sure if this is intended with dbox. - Moving folders via drag & drop does not work, it just does nothing. So basically nothing besides reading existing mails seems to work reliable. My basic questions now is, are those problems related to dbox, or to Dovecot and Thunderbird in general? -- Best regards, Hannes Dorbath

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[Dovecot] User-specific mail_location using passwd database
by Maxime Brugidou 26 Jan '08

26 Jan '08

current version : 1.0.rc15 Hi, I would just like to know if it's possible to have different mail locations for different UNIX users, using pam authentication and the passwd userdb. We also have some virtual users using an SQL db. The current config is : auth default: username_translation: %@ verbose: yes debug: yes passdb: driver: pam passdb: driver: passwd passdb: driver: sql args: /etc/dovecot/dovecot-sql.conf userdb: driver: passwd userdb: driver: sql args: /etc/dovecot/dovecot-sql.conf Then we can only modify mail locations for virtual users on the sql userdb. But how could we change it for real users ? Thanks for help, -- Maxime Brugidou

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[Dovecot] Dovecot LDA (deliver) stopped working
by falz 26 Jan '08

26 Jan '08

Hello, One day a week or so ago, a server that's Postifx w/ Local users, dovecot w/ LDA decided to stop working. The only thing that stopped is the LDA portion, the rest all works fine. I also posted to the postfix mailing list yesterday but wasn't able to debug any further. Here's the situation: if I use mailbox_command to point to deliver, postfix will always put the message in the deferred queue. However, if I run deliver from the command line, it works fine. I've recompiled Dovecot and Postfix cleanly and reinstalled a few times to ensure permissions are OK. It's not a virtual setup, so I do NOT have setuid root on the deliver binary. Postfix people suggested placing a wrapper script for mailbox_command, which I did, and have it log to a text file, so I do know that deliver is being called. However, although I have LDA debug logging on, and it DID log prior to this, when postfix supposedly calls deliver, dovecot does NOT log anything. It DOES however log if I call deliver from any account (root or not) from the command line (ls / | /path/to/deliver -d localaccountname). Any way I can debug this further? I would assume that deliver would log something even if it's called, but it appears that it does not. My postfix related details are here: http://marc.info/?l=postfix-users&m=120119147917409&w=2 I followed the postfix/lda wiki (http://wiki.dovecot.org/LDA/Postfix) when setting it up, and it worked perfectly for months. I did indeed only have to change mailbox_command and it worked (I'm also using sasl auth, but that should be unrelated). Obviously something happened on my system, but I would assume recompiling/reinstalling would reset things. Nothing in the config files for postfix or dovecot changed, from what I can see, as generally I am the only one making changes. Thanks, --falz

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[Dovecot] Count breaks socket
by Marc Perkel 26 Jan '08

26 Jan '08

If I use the socket option I can't use the count option to create more authentication processes. I get this error. Thanks in advance. dovecot: Jan 25 06:57:04 Error: auth(default): Socket already exists: /var/run/dovecot/auth-client auth default { mechanisms = plain passdb passwd-file { # Master users that can log in as anyone args = /etc/dovecot.masterusers master = yes pass =yes } # Linuxconf passwd-like file with specified location passdb passwd-file { args = /etc/exim/control/vmail/shadow.%d } # Linuxconf passwd-like file with specified location userdb passwd-file { args = /etc/exim/control/vmail/passwd.%d } socket listen { master { path = /var/run/dovecot/auth-master mode = 0666 } client { path = /var/run/dovecot/auth-client mode = 0666 } } # Number of authentication processes to create # count = 10 }

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[Dovecot] dovecot HEAD, assertion failed after 7193:e5af14239137 changeset
by Daniel 26 Jan '08

26 Jan '08

Hi! Using HEAD, and after the 7193:e5af14239137 changeset (Store physical message sizes also to dovecot-uidlist if needed.) I'm getting this: (gdb) bt full #0 0x0a0a80dd in kill () from /usr/lib/libc.so.41.0 No symbol table info available. #1 0x0a0e04a7 in abort () at /usr/src/lib/libc/stdlib/abort.c:65 p = (struct atexit *) 0x84992000 cleanup_called = 0 mask = 4294967263 #2 0x1c0746cd in i_internal_fatal_handler (type=LOG_TYPE_PANIC, status=0, fmt=0x3c000100 "file %s: line %d (%s): assertion failed: (%s)", args=0xcfbee4a4 "ĐA") at failures.c:423 backtrace = 0x1c0739f1 ";\003u\vÇ\003" #3 0x1c0741cb in i_panic (format=0x3c000100 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:195 No locals. #4 0x1c029a89 in maildir_mail_get_physical_size (_mail=0x7ee27428, size_r=0xcfbee598) at maildir-mail.c:361 mbox = (struct maildir_mailbox *) 0x7ee22028 data = (struct index_mail_data *) 0x7ee2749c st = {st_dev = -809573008, st_ino = 671359322, st_mode = 3485394200, st_nlink = 134504406, st_uid = 2264813824, st_gid = 671359313, st_rdev = -809573016, st_lspare0 = -809573008, st_atimespec = {tv_sec = 671359322, tv_nsec = 3690}, st_mtimespec = {tv_sec = 0, tv_nsec = 0}, st_ctimespec = {tv_sec = 0, tv_nsec = 0}, st_size = 2883503177569592696, st_blocks = 19440464480, st_blksize = 3485394312, st_flags = 134504965, st_gen = 2264813824, st_lspare1 = 2128748960, __st_birthtimespec = {tv_sec = 671359313, tv_nsec = -809573016}, st_qspare = {20665263472, 3485394280}} path = 0x0 #5 0x1c04a120 in mail_get_physical_size (mail=0x0, size_r=0xcfbee598) at mail.c:100 No locals. #6 0x0804672b in quota_alloc (ctx=0x7d5ec5c0, mail=0x7ee27428) at quota.c:777 size = 3842 #7 0x080465cb in quota_try_alloc (ctx=0x7d5ec5c0, mail=0x7ee27428, too_large_r=0xcfbee5fb) at quota.c:725 size = 3842 ret = 0 #8 0x08049d2e in quota_check (t=0x876b3300, mail=0x7ee27428) at quota-storage.c:148 qt = (struct quota_transaction_context *) 0x7d5ec5c0 ret = 0 too_large = false #9 0x1c04c30b in mailbox_copy (t=0x0, mail=0x7ee27028, flags=0, keywords=0x0, dest_mail=0x0) at mail-storage.c:741 No locals. #10 0x1c0116e6 in fetch_and_copy (client=0x86fe3180, destbox=0x7ee22028, t=0x876b3300, search_args=0x84d55068, src_uidset_r=0x52fe, copy_count_r=0x0) at cmd-copy.c:66 ---Type <return> to continue, or q <return> to quit--- search_ctx = (struct mail_search_context *) 0x876b3700 src_trans = (struct mailbox_transaction_context *) 0x876b3500 keywords = (struct mail_keywords *) 0x0 keywords_list = (const char * const *) 0x87c890e8 mail = (struct mail *) 0x7ee27028 copy_count = 1 srcset_ctx = {str = 0x83e872f0, first_uid = 0, last_uid = 4294967295} src_uidset = (string_t *) 0x83e872f0 ret = 1 #11 0x1c011899 in cmd_copy (cmd=0x84d55028) at cmd-copy.c:136 client = (struct client *) 0x86fe3180 storage = (struct mail_storage *) 0x890a9c28 destbox = (struct mailbox *) 0x7ee22028 t = (struct mailbox_transaction_context *) 0x876b3300 search_arg = (struct mail_search_arg *) 0x84d55068 messageset = 0x876d90d0 "3691:3693,3690" mailbox = 0x876d90e0 "Trash" src_uidset = 0xc "ČÎ\a*,äžĎXäžĎ" msg = 0x0 sync_flags = 0 imap_flags = 0 copy_count = 469853808 uid_validity = 469853899 uid1 = 2213048760 uid2 = 2299171840 ret = 9 #12 0x1c015192 in cmd_uid (cmd=0x84d55028) at cmd-uid.c:26 command = (struct command *) 0x52fe cmd_name = 0x876d90c8 "COPY" #13 0x1c0160f2 in client_command_input (cmd=0x84d55028) at client.c:536 client = (struct client *) 0x86fe3180 command = (struct command *) 0x52fe #14 0x1c015fc9 in client_command_input (cmd=0x84d55028) at client.c:585 client = (struct client *) 0x86fe3180 command = (struct command *) 0x52fe ---Type <return> to continue, or q <return> to quit--- #15 0x1c01614f in client_handle_next_command (client=0x86fe3180, remove_io_r=0xcfbee7db) at client.c:601 size = 36 #16 0x1c0161f5 in client_handle_input (client=0x86fe3180) at client.c:636 _data_stack_cur_id = 3 remove_io = false handled_commands = false #17 0x1c0162b6 in client_input (client=0x86fe3180) at client.c:674 cmd = (struct client_command_context *) 0x24 bytes = 36 #18 0x1c07adb4 in io_loop_handler_run (ioloop=0x86bdf0e0) at ioloop-kqueue.c:149 ctx = (struct ioloop_handler_context *) 0x89236030 events = (struct kevent *) 0x86bdf360 tv = {tv_sec = 3, tv_usec = 424767} ts = {tv_sec = 3, tv_nsec = 424767000} io = (struct io_file *) 0x86bdf360 t_id = 2 ret = 1 i = 0 #19 0x1c07a3c9 in io_loop_run (ioloop=0x86bdf0e0) at ioloop.c:301 No locals. #20 0x1c01ccd4 in main (argc=1, argv=0xcfbee900, envp=0xcfbee908) at main.c:293 No locals. Thanks! Daniel

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[Dovecot] Capturing credentials for imap sync
by Master Abi 26 Jan '08

26 Jan '08

Hi List All the imap sync apps I could find requires the username /password credentails to be known before a sync occurs. I have Dovecot using ldap acting as a nearline backup mail server to MS Exchange. Every hour imapsync syncs mail between Exchange and Dovecot. This all works fine becuase the users credentials are known, but when new users are added I would like the process to work seemless like this: The user is added to the Active Directory. The mail client is configured with 2 accounts with identical credentials, one of which is connected to Dovecot. When the new client connects to dovecot, the credentials are captured and stored so that imapsync can use it. This If there is another way this can be done with dovecot, could I please be enlighten. I have read the doco on migration but I am not quite migrating but more replicating. Thank you

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[Dovecot] symbolic links to root node
by Martin Preen 25 Jan '08

25 Jan '08

Hello, I have a question about the way Dovecot limits file system access. Currently we're using Dovecot 1.0.5 (Solaris 10). In some cases users have a symbolic link like "z: -> /" in their mail directory. As a result there are log entries like Jan 25 13:30:31 imap1 dovecot: [ID 107833 mail.error] IMAP(xyz): stat(/home/xyz/.wine/dosdevices/c:/windows/profiles/xyz/.../z:/proc/28381/root/proc/28381/.../root/proc/28381/Player/#SharedObje Jan 25 13:30:31 imap1 dovecot: [ID 107833 mail.error] IMAP(xyz): x) failed: File name too long We know the reason (the links are create by Wine) but unfortunately we cannot get rid of them. Is there something I can do (these links should be ignored) ? Or is it a bug ? Greetings. Martin --------------------------------------------------------------- Martin Preen, Universität Freiburg, Institut für Informatik Georges-Koehler-Allee 52, Raum 00-006, 79110 Freiburg, Germany phone: ++49 761 203-8250 preen(a)informatik.uni-freiburg.de fax: ++49 761 203-8242 www.informatik.uni-freiburg.de

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