August 2007 - dovecot

[Dovecot] Mails causing imap process to hang.
by Tan Shao Yi 09 Aug '07

09 Aug '07

Hi Timo, We are getting e-mails from a certain domain that seem to cause the IMAP process to hang. Here's how it looks like if we issued a FETCH 40 FULL: * 40 FETCH (FLAGS (\Seen) INTERNALDATE "09-Aug-2007 11:50:44 +0800" RFC822.SIZE 803392 ENVELOPE ("Thu, 09 Aug 2007 11:09:09 +0800 (CST)" {64} 8¤ë¸¹Âø»x¤C¤Ñ¤W¬[79§é !! SmartÀ°±zÄY¿ï¥|¤j°Ï°ì20ÀÉ³Ì·í¼ö°òª÷±ÀÂË (("=?Big5?B?s9WryKjTpKSk5cL4u3ikS6TruLk=?=" NIL "mailsender" "books.com.tw")) (("=?Big5?B?s9WryKjTpKSk5cL4u3ikS6TruLk=?=" NIL "mailsender" "books.com.tw")) (("=?Big5?B?s9WryKjTuvS49K7RqbE=?=" NIL "mailsender" "books.com.tw")) NIL NIL NIL NIL "<20070809035039.JDYJ10720.mta2.pacific.net.sg(a)mx3.pacific.net.sg>") BODY ("text" "html" ("charset" "Big5") NIL NIL "base64" 801726 10279)) A truss of the process reveals: write(1, " * 4 0 F E T C H (".., 36) = 36 sendfilev64(1, 1, 0xFFBFF2C0, 1, 0xFFBFF2B4) = 65536 close(10) = 0 close(8) = 0 open64("/var/qmail/maildirs/09/44/XXXXXX/Maildir/maildirsize", O_RDWR|O_APPEND) = 8 read(8, " 1 0 4 8 5 7 6 0 S\n 6 4".., 5120) = 1188 read(8, 0xFFBFE3FC, 3932) = 0 write(1, " )\r\n 0 0 0 0 0 0 1 0 ".., 33) = 33 pollsys(0x000B0378, 3, 0xFFBFF888, 0x00000000) = 1 read(0, " 0 0 0 0 0 0 1 1 F E T".., 2769) = 42 close(8) = 0 open64("/var/qmail/maildirs/09/44/XXXXXX/Maildir/maildirsize", O_RDWR|O_APPEND) = 8 read(8, " 1 0 4 8 5 7 6 0 S\n 6 4".., 5120) = 1188 read(8, 0xFFBFE4FC, 3932) = 0 open64("/var/qmail/maildirs/09/44/XXXXXX/Maildir/cur/1186631443.M495843P21207V000000940000BF68I000000000030AFC0_0.recess4,S=803364:2,S", O_RDONLY) = 10 fstat64(10, 0xFFBFF2A0) = 0 pread64(10, " A g I C A 8 d G Q g Y 2".., 4096, 58982) = 4096 pread64(10, " R p b m c 9 I j A i P g".., 4096, 63078) = 4096 pread64(10, " O V 8 w M D F f M D M y".., 4096, 67174) = 4096 pread64(10, " Z W M v Y X M v M j A w".., 4096, 71270) = 4096 pread64(10, " 4 K I C A g I C A g I C".., 4096, 75366) = 4096 pread64(10, " A g I C A g I C A g I C".., 4096, 79462) = 4096 pread64(10, " I C A g I C A 8 L 3 R y".., 4096, 83558) = 4096 pread64(10, " c y 5 j b 2 0 u d H c v".., 4096, 87654) = 4096 pread64(10, " A g I C A g I C A g I C".., 4096, 91750) = 4096 pread64(10, " A 4 N j A i P j x p b W".., 4096, 95846) = 4096 pread64(10, " I C A 8 d G Q + I A o g".., 4096, 99942) = 4096 pread64(10, " U j A z L z k v U j A z".., 4096, 104038) = 4096 pread64(10, " A g P H R k I G N v b H".., 4096, 108134) = 4096 pread64(10, " R k P g o g I C A g\r\n".., 4096, 112230) = 4096 pread64(10, " I C A g I C A g I D x 0".., 4096, 116326) = 4096 pread64(10, " e m l u Z S 9 t\r\n Y W".., 4096, 120422) = 4096 pread64(10, " J 0 Z X h 0 I j 6 q s a".., 4096, 124518) = 4096 fstat64(10, 0x000D6610) = 0 write(1, " * 4 0 F E T C H (".., 38) = 38 sendfilev64(1, 1, 0xFFBFF2C0, 1, 0xFFBFF2B4) = 131072 close(10) = 0 close(8) = 0 open64("/var/qmail/maildirs/09/44/XXXXXX/Maildir/maildirsize", O_RDWR|O_APPEND) = 8 read(8, " 1 0 4 8 5 7 6 0 S\n 6 4".., 5120) = 1188 read(8, 0xFFBFE3FC, 3932) = 0 write(1, " )\r\n 0 0 0 0 0 0 1 1 ".., 33) Err#11 EAGAIN pollsys(0x000B0378, 4, 0xFFBFF888, 0x00000000) = 1 write(1, " )\r\n 0 0 0 0 0 0 1 1 ".., 33) = 33 pollsys(0x000B0378, 3, 0xFFBFF888, 0x00000000) = 1 read(0, " 0 0 0 0 0 0 1 2 F E T".., 2727) = 42 close(8) = 0 open64("/var/qmail/maildirs/09/44/XXXXXX/Maildir/maildirsize", O_RDWR|O_APPEND) = 8 read(8, " 1 0 4 8 5 7 6 0 S\n 6 4".., 5120) = 1188 read(8, 0xFFBFE4FC, 3932) = 0 open64("/var/qmail/maildirs/09/44/XXXXXX/Maildir/cur/1186631443.M495843P21207V000000940000BF68I000000000030AFC0_0.recess4,S=803364:2,S", O_RDONLY) = 10 fstat64(10, 0xFFBFF2A0) = 0 pread64(10, " J 0 Z X h 0 I j 6 q s a".., 4096, 124518) = 4096 pread64(10, " c v Z X h l\r\n Y y 9 h".., 4096, 128614) = 4096 pread64(10, " I C A g I C A g I C A g".., 4096, 132710) = 4096 pread64(10, " I C A g\r\n I C A g C i".., 4096, 136806) = 4096 pread64(10, " A g I C A g I C A g I C".., 4096, 140902) = 4096 pread64(10, " w v\r\n d H I + C i A g".., 4096, 144998) = 4096 pread64(10, " Z H R o P S I 4 M S I g".., 4096, 149094) = 4096 pread64(10, "\r\n b 2 x z c G F u P S".., 4096, 153190) = 4096 pread64(10, " T r u L k v M j A w N y".., 4096, 157286) = 4096 pread64(10, " c j 4 K I C A g I C A g".., 4096, 161382) = 4096 pread64(10, " I C A g P H R k I G N v".., 4096, 165478) = 4096 pread64(10, " E g a H J l Z j 0 i a H".., 4096, 169574) = 4096 pread64(10, " A g I C A g I C A 8 d H".., 4096, 173670) = 4096 pread64(10, " I i B o Z W l n a H Q 9".., 4096, 177766) = 4096 pread64(10, " I D x 0 Z C B j b 2 x z".., 4096, 181862) = 4096 pread64(10, " M u Z 2 l m I i B 3 a W".., 4096, 185958) = 4096 pread64(10, " l 3 u / m h R z x z P j".., 4096, 190054) = 4096 pread64(10, " I C A g I C A 8 L 3 R y".., 4096, 194150) = 4096 pread64(10, " Y 2 9 t L n R 3 L 0 c v".., 4096, 198246) = 4096 pread64(10, " R k P g o g I C A g I C".., 4096, 202342) = 4096 pread64(10, " A g P H R y P i A K I C".., 4096, 206438) = 4096 pread64(10, " I C A g I C A g I C A g".., 4096, 210534) = 4096 pread64(10, " Z W 0 9 U j A z M D A w".., 4096, 214630) = 4096 pread64(10, " M v Y X M v M j A w N z".., 4096, 218726) = 4096 pread64(10, " A g I C A g I C A g P H".., 4096, 222822) = 4096 pread64(10, " P H R k I G N v b H N w".., 4096, 226918) = 4096 pread64(10, " I C A g I C A g I C A g".., 4096, 231014) = 4096 pread64(10, " I + C i A g I C A g I C".., 4096, 235110) = 4096 pread64(10, " A g I C A g I C A g I C".., 4096, 239206) = 4096 pread64(10, " I D x 0 Z D 4 8 L 3 R k".., 4096, 243302) = 4096 pread64(10, " I C A g I C A g I D x 0".., 4096, 247398) = 4096 pread64(10, " A g I C A g I C A g I C".., 4096, 251494) = 4096 pread64(10, " R 0 c D o v L 2 F k Z G".., 4096, 255590) = 4096 fstat64(10, 0x000CB208) = 0 write(1, " * 4 0 F E T C H (".., 38) = 38 sendfilev64(1, 1, 0xFFBFF2C0, 1, 0xFFBFF2B4) Err#11 EAGAIN fstat64(10, 0x000CB208) = 0 sendfilev64(1, 1, 0xFFBFF4A0, 1, 0xFFBFF494) Err#11 EAGAIN pollsys(0x000B0378, 4, 0xFFBFF888, 0x00000000) = 1 fstat64(10, 0x000CB208) = 0 sendfilev64(1, 1, 0xFFBFF4A0, 1, 0xFFBFF494) Err#11 EAGAIN pollsys(0x000B0378, 4, 0xFFBFF888, 0x00000000) = 1 fstat64(10, 0x000CB208) = 0 sendfilev64(1, 1, 0xFFBFF4A0, 1, 0xFFBFF494) Err#11 EAGAIN pollsys(0x000B0378, 4, 0xFFBFF888, 0x00000000) = 1 fstat64(10, 0x000CB208) = 0 sendfilev64(1, 1, 0xFFBFF4A0, 1, 0xFFBFF494) Err#11 EAGAIN pollsys(0x000B0378, 4, 0xFFBFF888, 0x00000000) = 1 fstat64(10, 0x000CB208) = 0 sendfilev64(1, 1, 0xFFBFF4A0, 1, 0xFFBFF494) Err#11 EAGAIN This goes on and on... consuming all bandwidth on the system. Is there something wrong with this particular e-mail? I will be attaching it in a separate e-mail to you to protect the user's privacy. Thanking in advance. Cheers, Tan Shao Yi

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[Dovecot] courier-dovecot-migrate.pl destroyed my indices... still recovering...
by Ralf Hildebrandt 09 Aug '07

09 Aug '07

I tried to disable courier-pop3 today in favour of dovecot pop3. Prior to that I ran: find /home -maxdepth 1 -type d | xargs --replace /usr/local/scripts/courier-dovecot-migrate.pl --overwrite --recursive --convert {} ( /home is hashed two levels deep: /home/a/a/aanton/Maildir/ ) After that, I got lots of errors like: Aug 9 13:02:40 postamt dovecot: IMAP(azenclu): Maildir /home/a/z/azenclu/Maildir sync: UIDVALIDITY changed (1167827929 -> 1058881980) Aug 9 13:03:46 postamt dovecot: POP3(bbuhse): Couldn't init INBOX: BUG: Unknown internal error Aug 9 13:03:46 postamt dovecot: POP3(bbuhse): Mailbox init failed top=0/0, retr=0/0, del=0/0, size=0 Aug 9 13:04:14 postamt dovecot: IMAP(bkusma): Maildir /home/b/k/bkusma/Maildir sync: UIDVALIDITY changed (1179153053 -> 1174292827) Aug 9 13:04:19 postamt dovecot: IMAP(am02): Corrupted index cache file /home/a/m/am02/Maildir/dovecot.index.cache: indexid changed Aug 9 13:04:28 postamt deliver(avolz): Corrupted index cache file /home/a/v/avolz/Maildir/dovecot.index.cache: indexid changed Aug 9 13:04:51 postamt dovecot: IMAP(ck05): Maildir /home/c/k/ck05/Maildir sync: UIDVALIDITY changed (1167893115 -> 1094733247) Aug 9 13:05:11 postamt deliver(agundlfi): Corrupted index cache file /home/a/g/agundlfi/Maildir/dovecot.index.cache: indexid changed Aug 9 13:05:50 postamt dovecot: IMAP(asorigue): Corrupted index cache file /home/a/s/asorigue/Maildir/dovecot.index.cache: indexid changed Aug 9 13:06:04 postamt dovecot: IMAP(azenclu): Corrupted index cache file /home/a/z/azenclu/Maildir/dovecot.index.cache: indexid changed Aug 9 13:06:08 postamt dovecot: IMAP(coneck): Maildir /home/c/o/coneck/Maildir sync: UIDVALIDITY changed (1164189070 -> 1058892719) Dovecot would recover from that (deliver would deliver the mail on the next queue run) -- but why is that? -- Ralf Hildebrandt (Ralf.Hildebrandt(a)charite.de) plonk(a)charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de This message represents the official view of the voices in my head

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[Dovecot] dovecot-sieve vacation changes
by pod 09 Aug '07

09 Aug '07

I'd like to put forward the following patch for dovecot-sieve. Essentially this just merges in some changes made in CMU sieve 2.3.8 and as such brings the behaviour more in line with RFC 3834 "Recommendations for Automatic Responses to Electronic Mail": - fixes erroneous sender "-request" substring match - checks for existence of a selection of list-* headers - expands "named-as-recipient" header checks to "Resent-To", "Resent-CC" and "Resent-BCC" fields. Note that the appended patch also includes a fix for some missing parentheses in the "resent-to" test which resulted in some extra work being done but was otherwise harmless. The fix has been sent to <cyrus-bugs+(a)andrew.cmu.edu> - prefixes subject in response with "Auto: " rather than (non-expanding) "Re: " I also, mostly for kicks, attach two sieve-like scripts that attempt to encapsulate the when-not-to-respond logic as implemented (if the patch were to be applied) and as advised by RFC 3834 respectively. I wrote these as an exercise to help me gain a better understanding of sieve and the CMU implementation. I'm not sure they are otherwise useful.

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[Dovecot] NFS rquota support
by Timo Sirainen 09 Aug '07

09 Aug '07

For v1.1, probably applies to v1.0 code pretty easily too: http://hg.dovecot.org/dovecot/rev/078d9dde99c8 The other rquota patches had authunix_create_default() call. Is this needed/useful? The client is now always created+destroyed for each quota lookup. I'd think it would be faster if it was created only once, but does it then break something? If the above isn't done, clnt_create() could be replaced with clntudp_create() and have the struct sockaddr_in cached. Patches welcome. :)

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[Dovecot] Shared folder hierarchies, multiple groups
by Benjamin R. Haskell 09 Aug '07

09 Aug '07

Hi, I'm trying to set up two shared folder hierarchies on my Dovecot installation for two groups of employees, all of whom should only have access to their own hierarchy. Any employee should be able to create sub-folders and generally have full access to the hierarchy. My initial setup was to create two public namespaces, Shared-One and Shared-Two. Each is a Maildir under /var/mail. The actual shared folders seem to be working fine in terms of adding and accessing folders and messages, and there are no problems at all for the 'admin' user, who belongs to both the shared1 and shared2 Unix groups. The problem is for other users, where trying to (IMAP-) LIST folders fails. (sanitized) IMAP session log: ('user2' is in group shared2) * OK Dovecot ready. A LOGIN user2 pass A OK Logged in. B LIST "" "%" * LIST (\Noselect \HasChildren) "/" "Shared-One" B NO Internal error occurred. Refer to server log for more information. [2007-08-02 09:01:23] In the mail logs I find: dovecot: IMAP(user2): stat(/var/mail/Shared-One/cur) failed: Permission denied Relevant permissions: 2770/drwxrws--- shared1 shared1 /var/mail/Shared-One 2770/drwxrws--- shared1 shared1 /var/mail/Shared-One/cur 0660/-rw-rw---- shared1 shared1 /var/mail/Shared-One/dovecot-shared And similarly for Shared-Two. (replace shared1 with shared2 everywhere) Among other things, I've read: http://wiki.dovecot.org/SharedMailboxes http://wiki.dovecot.org/ACL http://wiki.dovecot.org/MainConfig http://wiki.dovecot.org/Namespaces I don't want to use vfile ACL's (I think) because I want users to be able to create subfolders at will, and I don't want to have to add a dovecot-acl file per-folder. (Is there a way to set global defaults on a global basis? [not per-folder]) I also think there would be a problem with the hierarchies being similar. (e.g. both have a 'Projects' sub-folder, but there's a pretty clear WARNING on the wiki about mailbox name conflicts.) I can't use symlinked Maildirs, because new subfolders get created under ~user/Maildir/. (Want them under /var/mail/Shared-X/) I can't use hidden namespaces, because employees use Outlook (uggh), and I couldn't figure out how to "find" the namespace when it was hidden. (That seemed like the closest thing to a solution - it solved the LIST problem.) Ideally, Shared-Two wouldn't even be visible to members of Shared-One, and vice versa. But, that's at least an acceptable "problem" I could live with. Any suggestions? Thanks, Ben

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[Dovecot] Bug in Exim->Dovecot auth
by Chris Laif 09 Aug '07

09 Aug '07

Hi. I'm using SMTP auth with Exim authenticating against Dovecot's auth socket. My (excellent) SMTP test tool "swaks" (http://jetmore.org/john/code/#swaks) tries multiple auth mechanismus consecutively which leads to the following message in Dovecot's log file: Error: auth(default): BUG: Authentication client gave a PID 6738 of existing connection I'm not sure where to report this bug, exim's or dovecot's mailing list, so I'll try here first :) Chris <- 250-AUTH PLAIN LOGIN <- 250 HELP -> AUTH PLAIN AHh5egBra2s= <** 535 Incorrect authentication data -> AUTH LOGIN <** 435 Unable to authenticate at present *** No authentication type succeeded -> QUIT

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[Dovecot] dovecot-auth core dumps
by Cassidy B. Larson 09 Aug '07

09 Aug '07

Seeing a few core dumps on my two proxy servers with dovecot-auth since upgrading to 1.0.2. Example: Jul 30 13:36:51 alora kernel: pid 20234 (dovecot-auth), uid 0: exited on signal 11 (core dumped) Jul 30 13:36:51 alora dovecot: child 20234 (auth) killed with signal 11 Jul 29 19:17:08 marbella kernel: pid 70627 (dovecot-auth), uid 0: exited on signal 11 (core dumped) Jul 29 19:17:08 marbella dovecot: child 70627 (auth) killed with signal 11 Running: FreeBSD 6.1 i386 Dovecot 1.0.2 I'm not proficient in running 'gdb', so I followed the instructions from the wiki for a full backtrace. Output is below. Is there anything else I should be looking for, or any other commands I should send to gdb? Thanks, Cassidy gdb /usr/local/libexec/dovecot/dovecot-auth /var/run/dovecot/dovecot- auth.core GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols found)... Core was generated by `dovecot-auth'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/lib/libpam.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libpam.so.3 Reading symbols from /usr/lib/libgssapi.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libgssapi.so.8 Reading symbols from /usr/lib/libkrb5.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libkrb5.so.8 Reading symbols from /usr/lib/libasn1.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libasn1.so.8 Reading symbols from /usr/lib/libroken.so.8...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libroken.so.8 Reading symbols from /usr/lib/libcom_err.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libcom_err.so.3 Reading symbols from /usr/local/lib/mysql/libmysqlclient.so.15...(no debugging symbols found)...done. Loaded symbols for /usr/local/lib/mysql/libmysqlclient.so.15 Reading symbols from /lib/libcrypt.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/libcrypt.so.3 Reading symbols from /usr/lib/libssl.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/libssl.so.4 Reading symbols from /lib/libcrypto.so.4...(no debugging symbols found)...done. Loaded symbols for /lib/libcrypto.so.4 Reading symbols from /lib/libz.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/libz.so.3 Reading symbols from /lib/libm.so.4...(no debugging symbols found)...done. Loaded symbols for /lib/libm.so.4 Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done. Loaded symbols for /libexec/ld-elf.so.1 (gdb) bt full #0 0x180abc22 in gss_delete_sec_context () from /usr/lib/libgssapi.so.8 No symbol table info available. #1 0x08059246 in mech_deinit () No symbol table info available. #2 0x08053f12 in auth_request_handler_unref () No symbol table info available. #3 0x08050bef in auth_client_connection_destroy () No symbol table info available. #4 0x08050ead in auth_client_connection_create () No symbol table info available. #5 0x08065f54 in io_loop_handler_run () No symbol table info available. #6 0x08065605 in io_loop_run () No symbol table info available. #7 0x0805722a in main () No symbol table info available.

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[Dovecot] Maildir Skeleton
by Sebastian Ganschow 09 Aug '07

09 Aug '07

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I'm setting up a new mailserver with postfix and Dovecot. I'd like to prepare a skeleton for the users maildir to create i.e. a spam folder and a sieve file per default. Is there any chance to realize this with dovecot? Regards Sebastian - -- Sebastian Ganschow Königsberger Str. 17 45770 Marl Germany Phone: +49 2365 9 24 96 76 Mobile: +49 172 2 47 41 44 Mail: sebastian(a)ganschow.name -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGuGdvKWhY+QthhLYRArCQAKCKLAaWetcu84vqnlr+a31K1qhKNgCfVtGL 71lFFadsY+9U1vIdNdhIcZE= =biAm -----END PGP SIGNATURE-----

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[Dovecot] Authentication problem - or is it?
by Anne Wilson 09 Aug '07

09 Aug '07

My old server ran v.0.99, and this is the first time I've tried to get v.1 running. When I try to test it with telnet I see telnet localhost 143 Trying 127.0.0.1... Connected to david.lydgate.lan (127.0.0.1). Escape character is '^]'. * OK Dovecot ready. x login anne xxxxxx x OK Logged in. Connection closed by foreign host. I assumed it was an authentication problem (I want to use /etc/passwd as the authentication file) but it does say that I managed to log in. If so, what could be causing it to close immediately? Anne

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Re: [Dovecot] Authentication problem - or is it?
by Anne Wilson 09 Aug '07

09 Aug '07

On Wednesday 08 Aug 2007, you wrote: > On Wednesday 08 Aug 2007, you wrote: > > On Wed, 2007-08-08 at 21:19 +0100, Anne Wilson wrote: > > > On Wednesday 08 Aug 2007, you wrote: > > > > On Wed, 2007-08-08 at 19:45 +0100, Anne Wilson wrote: > > > > > dovecot: Aug 08 18:50:11 Error: IMAP(anne): Ambiguous mail location > > > > > setting, don't know what to do with it: /home/anne/Maildir (try > > > > > prefixing it with mbox: or maildir:) > > > > > > > > .. > > > > > > > > > I tried adding maildir:, but it made no difference. > > > > > > > > That should fix it. Did you forget to restart Dovecot? Or did you > > > > check if the error message had changed? > > > > > > You're right, of course - I had forgotten to restart. However, now I > > > have > > > > > > telnet localhost 143 > > > Trying 127.0.0.1... > > > telnet: connect to address 127.0.0.1: Connection refused > > > telnet: Unable to connect to remote host: Connection refused > > > > That means Dovecot didn't start. It most likely wrote an error message > > to logs. > > [root@david program]# service dovecot status > dovecot dead but subsys locked > > Hmm - > > dovecot: Aug 08 21:15:47 Warning: Killed with signal 15 > dovecot: Aug 08 21:15:51 Error: Auth process died too early - shutting down > dovecot: Aug 08 21:15:51 Error: auth(default): Unknown userdb > driver '/etc/passwd' (typo, or Dovecot was built without support for it? > Check with dovecot --build-options) > dovecot: Aug 08 21:15:51 Error: child 30279 (auth) returned error 89 > > It's 10pm here, and I've wrestled with this most of the day. I'll be back > to it in the morning, but I'm really tired now, and the brain is seizing > up. :-) Any help you can give, I'll follow it up and report back. Thanks > OK - I did the check, which returned dovecot --build-options Build options: ioloop=poll notify=inotify ipv6 openssl SQL drivers: mysql Passdb: checkpassword pam passwd passwd-file shadow sql Userdb: checkpassword passwd prefetch passwd-file sql static so it has to be my config file. I'll try again to read up on this, but I'll be glad of any help available. Anne

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