- dovecot - dovecot.org

[Dovecot] 2.1.rc5 Cannot delete folders from trash
by Mike Constabel 14 Feb '12

14 Feb '12

Hi, If I delete a folder "foo" in Thunderbird, it is moved to trash. [root@dovecot1][tmp:exec](~) # ll /mailspool1/xxxx.de/test1/mdbox/mailboxes/Trash/ insgesamt 16K drwx------ 4 vmail vmail 4,0K 31. Jan 22:16 . drwx------ 8 vmail vmail 4,0K 31. Jan 22:16 .. drwx------ 2 vmail vmail 4,0K 12. Feb 11:51 dbox-Mails drwx------ 3 vmail vmail 4,0K 31. Jan 22:16 foo [root@dovecot1][tmp:exec](~) # [root@dovecot1][tmp:exec](~) # [root@dovecot1][tmp:exec](~) # ll /mailspool1/xxx.de/test1/mdbox/mailboxes/Trash/foo/ insgesamt 12K drwx------ 3 vmail vmail 4,0K 31. Jan 22:16 . drwx------ 4 vmail vmail 4,0K 31. Jan 22:16 .. drwx------ 2 vmail vmail 4,0K 12. Feb 11:52 dbox-Mails [root@dovecot1][tmp:exec](~) # ll /mailspool1/xxxx.de/test1/mdbox/mailboxes/Trash/foo/dbox-Mails/ insgesamt 12K drwx------ 2 vmail vmail 4,0K 12. Feb 11:52 . drwx------ 3 vmail vmail 4,0K 31. Jan 22:16 .. -rw------- 1 vmail vmail 224 12. Feb 11:52 dovecot.index.log [root@dovecot1][tmp:exec](~) # If I delete foo from trash, thunderbird removed it from view, but if I restart thunderbird, the folder is still in trash. No error in dovecot log, no error in thunderbird. tcpdump: 156 45.101512 192.168.10.1 192.168.10.117 TCP 54094 > imap [ACK] Seq=353 Ack=1617 Win=10144 Len=0 TSV=2414467591 TSER=251091441 157 45.349600 192.168.10.1 192.168.10.117 IMAP Request: 16 list "" "Trash/*" 158 45.349717 192.168.10.117 192.168.10.1 IMAP Response: * LIST (\HasNoChildren) "/" "Trash/foo" 159 45.349756 192.168.10.1 192.168.10.117 TCP 54094 > imap [ACK] Seq=375 Ack=1727 Win=10144 Len=0 TSV=2414467653 TSER=251091503 160 45.395546 192.168.10.1 192.168.10.117 IMAP Request: 17 list "" "Trash/foo/*" 161 45.395624 192.168.10.117 192.168.10.1 IMAP Response: * LIST (\Noselect \HasNoChildren) "/" "Trash/foo/" 162 45.395662 192.168.10.1 192.168.10.117 TCP 54094 > imap [ACK] Seq=401 Ack=1802 Win=10144 Len=0 TSV=2414467665 TSER=251091515 163 45.439998 192.168.10.1 192.168.10.117 IMAP Request: 18 delete "Trash/foo/" 164 45.440067 192.168.10.117 192.168.10.1 IMAP Response: 18 NO [CANNOT] Invalid mailbox name 165 45.440104 192.168.10.1 192.168.10.117 TCP 54094 > imap [ACK] Seq=425 Ack=1839 Win=10144 Len=0 TSV=2414467676 TSER=251091526 166 45.493978 192.168.10.1 192.168.10.117 IMAP Request: 19 IDLE with dovecot 1.2 and Maildir I can delete folders from trash. Something wrong in my config? Thunderbird-Bug? # 2.1.rc5 (b9e74767cd39): /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-5-xen-amd64 x86_64 Debian 6.0.4 auth_cache_size = 1 M auth_debug = yes auth_debug_passwords = yes auth_mechanisms = plain login cram-md5 auth_verbose = yes auth_verbose_passwords = plain debug_log_path = /var/log/dovecot/dovecot-debug.log dict { expire = sqlite:/etc/dovecot/dovecot-dict-expire.conf.ext } disable_plaintext_auth = no hostname = mx4.xxxx.de info_log_path = /var/log/dovecot/dovecot-info.log log_path = /var/log/dovecot/dovecot.log mail_debug = yes mail_location = mdbox:~/mdbox mail_plugins = quota notify mail_log expire 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 namespace inbox { inbox = yes location = mailbox Archive/2011 { auto = subscribe } mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / type = private } passdb { args = scheme=PLAIN username_format=%u /etc/imap.userdb driver = passwd-file } plugin { expire = Trash expire2 = Trash/* expire3 = Spam expire_dict = proxy::expire quota = dict:User quota::file:/mailspool1/%d/%n/dovecot-quota quota_rule = *:storage=9000M:messages=1000000 sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } postmaster_address = postmaster@localhost protocols = " imap lmtp sieve pop3" ssl_ca = </etc/postfix/psw-ssl/ssl.ca-bundle ssl_cert = </etc/postfix/psw-ssl/ssl.crt ssl_key = </etc/postfix/psw-ssl/ssl.key userdb { args = username_format=%Lu /etc/imap.userdb driver = passwd-file } protocol lmtp { mail_plugins = quota notify mail_log expire sieve } protocol lda { mail_plugins = quota notify mail_log expire } protocol imap { imap_logout_format = bytes=%i/%o mail_plugins = quota notify mail_log expire imap_quota } protocol pop3 { mail_plugins = quota notify mail_log expire }

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[Dovecot] R: Re: R: Re: LMTP : Can't handle mixed proxy/non-proxy destinations
by cinzia.delcoiro＠libero.it 14 Feb '12

14 Feb '12

Charles I need to accept mail also for nonexistent users because I'm delivering a particular service (Certified Mail). Regards Cinzia >----Messaggio originale---- >Da: CMarcus(a)Media-Brokers.com >Data: 14-feb-2012 16.42 >A: "Dovecot Mailing List"<dovecot(a)dovecot.org> >Ogg: Re: [Dovecot] R: Re: LMTP : Can't handle mixed proxy/non-proxy destinations > >On 2012-02-14 10:02 AM, cinzia.delcoiro(a)libero.it ><cinzia.delcoiro(a)libero.it> wrote: >> I'm writing to alert you that even in version 2.1. we have the error: "Can't >> handle mixed proxy/non-proxy destinations" when we write to two users: one >> existent and one not. > >why are you accepting mail for non existing users? > >Catch-alls are a very very bad idea in 99.999% of cases, and usually >when someone thinks they need a catchall, they are mistaken. > >-- > >Best regards, > >Charles >

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[Dovecot] Boehm
by Daniel L. Miller 14 Feb '12

14 Feb '12

As the Boehm GC is an available option, do I take that to mean it's beneficial for some users but not most? -- Daniel

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[Dovecot] Synchronization error in NFS
by Andy YB Hu 14 Feb '12

14 Feb '12

Hi there, Not sure whether it's a bug or env setting issue. I am running some concurrent testings under NFS. The dovecot (version 2.0.13) are deployed in 2 servers (same setup), whose maildir are on the file server via NFS. Here are the output of dovecot -n: [root@MyMachine src]$dovecot -n # 2.0.13: /usr/local/etc/dovecot/dovecot.conf # OS: Linux 2.6.18-274.3.1.el5 i686 Red Hat Enterprise Linux Server release 5.7 (Tikanga) nfs auth_anonymous_username = andy auth_debug = yes auth_debug_passwords = yes auth_mechanisms = anonymous plain auth_verbose = yes auth_verbose_passwords = plain disable_plaintext_auth = no lock_method = dotlock log_path = /tmp/log mail_debug = yes mail_fsync = always mail_gid = andy mail_location = maildir:/tmp/NFS mail_nfs_index = yes mail_nfs_storage = yes mail_uid = andy mmap_disable = yes passdb { driver = pam } ssl = no userdb { driver = passwd } Here are what I am doing: One session running loop of COPY commands (while(1) COPY...) connects to one dovecot server; The other session running loop of SELECT commands (while(1) SELECT...) connects to the other dovecot server. Both are accessing the same mail box (/tmp/NFS); After some while (not accurate duration, maybe 2 seconds, or 1 min), I found the number of EXISTS returned from SELECT command is not correct(less than the real number). Then I stop the both sessions. In the /tmp/log: Feb 07 03:44:59 imap(andy): Error: Corrupted transaction log file /tmp/NFS/dovecot.index.log seq 2: Unexpected garbage at EOF (sync_offset=2204) Feb 07 03:44:59 imap(andy): Error: Index /tmp/NFS/dovecot.index: Lost log for seq=2 offset=2204 Feb 07 03:44:59 imap(andy): Warning: fscking index file /tmp/NFS/dovecot.index Then I tried to dump the index, sometime it's failed because of the index corruption. If not, it says: [root@MyMachine src]$doveadm dump /tmp/NFS > /tmp/dump ; vi /tmp/dump doveadm(root): Error: Log synchronization error at seq=2,offset=744 for /tmp/NFS/dovecot.index: Broken extension introduction: Headersize too large (2273345664) doveadm(root): Warning: fscking index file /tmp/NFS/dovecot.index doveadm(root): Error: fcntl(write-lock) locking failed for file /tmp/NFS/dovecot.index.log: Bad file descriptor doveadm(root): Error: mail_index_wait_lock_fd() failed with file /tmp/NFS/dovecot.index.log: Bad file descriptor doveadm(root): Error: Log synchronization error at seq=2,offset=744 for /tmp/NFS/dovecot.index: Broken extension introduction: Headersize too large (2273345664) doveadm(root): Warning: fscking index file /tmp/NFS/dovecot.index doveadm(root): Error: fcntl(write-lock) locking failed for file /tmp/NFS/dovecot.index.log: Bad file descriptor doveadm(root): Error: mail_index_wait_lock_fd() failed with file /tmp/NFS/dovecot.index.log: Bad file descriptor And sometime from the dump output, in the RECORD part: -- RECORDS: 5 RECORD: seq=1, uid=1, flags=0x00 RECORD: seq=2, uid=2, flags=0x00 RECORD: seq=3, uid=3, flags=0x00 RECORD: seq=4, uid=4, flags=0x00 RECORD: seq=5, uid=6, flags=0x00 The uid 5 is missed. but in uidlist file, it's there.. Here are all what I found. If you need additional information, pls let me know. The clock on the 3 machines are synchronized. You can also reproduce it if the 2 sessions are APPEND and SELECT. If both sessions are running towards the same dovecot server, even the maildir are on the NFS, it works very well without any error.

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[Dovecot] Released Pigeonhole v0.2.6 for Dovecot v2.0.18
by Stephan Bosch 13 Feb '12

13 Feb '12

Hello Dovecot users, Pigeonhole v0.2.5 does not compile against the new Dovecot v2.0.18 release. That is why a release a new version now. Other changes are included as well, of which the one regarding the include extension requires special attention; Changelog v0.2.6: * This release fixes unintentional behavior of the include extension. Included script names with a name like "name.sieve" would implicitly map to a script file called "name.sieve" and not "name.sieve.sieve". Keep in mind that the .sieve file extension has no meaning from within the Sieve language. A Sieve script is always stored with an appended .sieve file extension, also when the name already ends with a .sieve suffix. IMPORTANT: Some installations have relied on this unintentional feature, so check your script includes for issues before upgrading. * Matched changes regarding auth_verbose setting in Dovecot. This means that this release will only compile against Dovecot v2.0.18. - Fixed problem in ManageSieve that caused it to omit a WARNINGS response code when the uploaded script compiled with warnings. - Made sure that locations of Sieve error never report `line 0'. - Fixed potential segfault occurring when interpreter initialization fails. The release is available as follows: http://www.rename-it.nl/dovecot/2.0/dovecot-2.0-pigeonhole-0.2.6.tar.gz http://www.rename-it.nl/dovecot/2.0/dovecot-2.0-pigeonhole-0.2.6.tar.gz.sig Refer to http://pigeonhole.dovecot.org and the Dovecot v2.0 wiki for more information. Have fun testing this new release and don't hesitate to notify me when there are any problems. Regards, -- Stephan Bosch stephan(a)rename-it.nl

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[Dovecot] Logging to messages instead of secure
by Cliff Hayes 13 Feb '12

13 Feb '12

I need to log to /var/log/messages instead of /var/log/secure on a fedora system. Is this the correct entry for dovecot.conf? syslog_facility = info

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[Dovecot] Managesieve doesn't listen on 2000/4190
by Jacek Osiecki 13 Feb '12

13 Feb '12

Hi, Finally I decided to give a try to dovecot 2.0, after spending few years with 1.2. Unfortunately, it doesn't go smooth - finally I managed to cope with LMTP transport and exim, but failed to run managesieve. I have compiled pigeonhole, installed it, configured, everything seems to be done well - except the fact, that nothing is listening on port 2000 or 4190. Here is my doveconf -n. Any ideas? # 2.0.16: /etc/dovecot/dovecot.conf # OS: Linux 2.6.39.4-vs2.3.1-pre9.2-nfs41-nfsd x86_64 auth_debug = yes auth_debug_passwords = yes debug_log_path = /var/log/dovecot/debug.log dict { quota = mysql:/etc/dovecot/dovecot-dict-sql.conf } disable_plaintext_auth = no first_valid_uid = 79 info_log_path = /var/log/dovecot/info.log last_valid_uid = 79 log_path = /var/log/dovecot/main.log mail_debug = yes 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 { driver = pam } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { sieve = /var/mail/sieve/%d/%u.sieve sieve_dir = /var/mail/sieve/%d/%u sieve_global_path = /var/mail/sieve/%d/global.sieve } postmaster_address = postmaster(a)hybrid.pl service imap-login { inet_listener imap { address = 127.0.0.1 port = 143 } inet_listener imaps { address = 0.0.0.0 port = 993 ssl = yes } } service lmtp { inet_listener lmtp { address = 127.0.0.1 port = 24 } unix_listener lmtp { mode = 0666 } } service managesieve-login { inet_listener sieve { port = 4190 } inet_listener sieve_deprecated { port = 2000 } } service pop3-login { inet_listener pop3 { address = 127.0.0.1 port = 110 } inet_listener pop3s { address = 0.0.0.0 port = 995 ssl = yes } } ssl = no userdb { driver = passwd } userdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } protocol lmtp { mail_plugins = " sieve quota" } protocol lda { mail_plugins = " sieve quota" } Best regards, -- Jacek Osiecki joshua(a)ceti.pl GG:3828944 I don't want something I need. I want something I want.

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Re: [Dovecot] Problems sending email direct into publich folders
by Kuran, Fabian 13 Feb '12

13 Feb '12

Hi, > Depends on how you want to do this.. For example all mails intended to be put to public namespace could be sent > to a "publicuser" named user, which has write permissions to the public namespace. Then you'll simply create a > sieve script for the publicuser which redirects the mails to the wanted folder (e.g. fileinto "public/hrztest"). I'm also migrating from cyrus-imapd to dovecot. But this solution isn't very good to me. With cyrus I could easily send an email to (for example) bb+shared/archive(a)mydomain.com. Then the mail will be putted to the public folder. Is there a comparable way to do this with Dovecot? FYI: I'm using dovecot in a clustered and multidomain setup. The Mails will be deliviered over LMTP. -- Bye, Fabian Kuran

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[Dovecot] v2.1.0 status
by Timo Sirainen 13 Feb '12

13 Feb '12

I'll release v2.1.rc6 in maybe 16 hours or so. If no problems are reported in it after a few days I'll just change version to 2.1.0. So now's a great time to try the latest v2.1 hg version to see if there are any problems. I've gone through all of my old mails. Let me know if you think something is still missing / unfixed in v2.1 hg. Preferably today. Next up: Creating dovecot-2.2 tree with great new features. :)

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[Dovecot] Dovecot 2.0.18 build error with pigeonhole
by Morten Stevens 13 Feb '12

13 Feb '12

Hi, It is probably a problem with pigeonhole 0.2.5. ... make[3]: *** [managesieve-proxy.o] Error 1 make[3]: *** Waiting for unfinished jobs.... Here is my build log: http://oss.imt-systems.com/mstevens/temp/build.log Someone an idea? Best regards, Morten

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[Dovecot] Some Doveadm Tools lack proper exit codes
by Thomas Leuxner 13 Feb '12

13 Feb '12

Happy New Year Everyone, and *yes* it's that time of the year to archive old stuff again. Please implement proper error codes to support this (scripting) endeavor. => Good $ doveadm user foo userdb lookup: user foo doesn't exist $ echo $? 2 => Bad $ doveadm acl get -u tlx(a)leuxner.net FOO doveadm(tlx(a)leuxner.net): Error: Can't open mailbox FOO: Mailbox doesn't exist: FOO ID Global Rights $ echo $? 0 $ doveconf -n | head # 2.1.rc1 (056934abd2ef): /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.3 Thanks Thomas

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[Dovecot] v2.0.18 released
by Timo Sirainen 12 Feb '12

12 Feb '12

http://dovecot.org/releases/2.0/dovecot-2.0.18.tar.gz http://dovecot.org/releases/2.0/dovecot-2.0.18.tar.gz.sig + DIGEST-MD5 authentication supports authorization id now. Patch by Yubao Liu + Added instance_name setting which is used to prefix Dovecot processes in ps output. - LDA/LMTP: Sending a large mail via submission_host or via LMTP proxy may have caused a hang. - Fixed dbox + mail_attachment_dir + zlib problems. - Login processes weren't logging all intended messages with auth_verbose=yes - IMAP: THREAD REFS sometimes returned invalid (0) nodes. - IMAP: CONTEXT search return option wasn't handled at all. - dbox: Various error handling fixes. - snarf plugin: Keep the mailbox locked during snarfing to avoid duplicates.

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[Dovecot] Inherited ACLs for mailboxes created by not-owner
by Michael Stilkerich 12 Feb '12

12 Feb '12

Hi, I have shared one of my mailboxes to another user providing him full rights to that mailbox. $ doveadm acl get -u user1 doc ID Global Rights user=user2 admin create delete expunge insert lookup post read write write-deleted write-seen When that user creates a new mailbox within the shared mailbox, the mailbox is successfully created but with an empty ACL. $ doveadm acl get -u user1 doc/hallo ID Global Rights According to the wiki, it should inherit the ACL from its parent, i.e. have full permissions for user2. Dovecot logs the following errors when I access the parent folder the first time after the other user created the child mailbox: dovecot: imap(user1): Error: Mailbox doc/hallo: Corrupted index, uidvalidity=0 dovecot: imap(user1): Error: Recent flags state corrupted for mailbox INBOX dovecot: imap(user1): Error: /home/dovecot/user1/mailboxes/INBOX/dbox-Mails/dovecot.index reset, view is now inconsistent dovecot: imap(user1): Error: Recent flags state corrupted for mailbox Sent dovecot: imap(user1): Error: /home/dovecot/user1/mailboxes/Sent/dbox-Mails/dovecot.index reset, view is now inconsistent dovecot: imap(user1): Error: /home/dovecot/user1/mailboxes/INBOX/dbox-Mails/dovecot.index reset, view is now inconsistent This is on dovecot 2.1rc5. -Michael

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[Dovecot] Some Dovecot LDA version sends MDN rather than DSN for overquota.
by Mark Sapiro 12 Feb '12

12 Feb '12

It appears that there is some version of the Dovecot LDA that is sending an RFC 3798 MDN rather than an RFC 3464 DSN to report non-delivery to a user who is over quota. See <https://bugs.launchpad.net/mailman/+bug/693134> for a discussion of this and <https://bugs.launchpad.net/mailman/+bug/693134/+attachment/1773018/+files/A…> for the actual MDN message. The issue is that apparently a user was over quota and Dovecot returned an MDN with a disposition of deleted. This is intended to mean the the mail was delivered to the user but the user deleted it without reading it. If the message was actually not delivered, this should be reported to the MTA so it can return an appropriate SMTP status, or the LDA should send an RFC 3464 DSN with an action of failed. Note that I do not actually use the Dovecot LDA nor do I have any access to the system where the notice in the bug report was received, so I may have incomplete information and this may not be relevant to current versions of Dovecot, but I think it is wrong for Dovecot to report over quota non-delivery via an MDN. -- Mark Sapiro <mark(a)msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan

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[Dovecot] Passdb disconnected unexpectedly when trying to do Director with LMTP
by Mark Zealey 12 Feb '12

12 Feb '12

Hi there, I'm running Dovecot 2.0.16 just set up the director with cut&paste from the wiki. It's working & running fine for pop/imap connections (as verified by doveadm director status user), however when I specify 'RCPT TO' for a (tcp) lmtp connection straight away I get: 451 4.3.0 <xxx(a)yyy.com> Temporary user lookup failure and in the logs: 2012-02-11T14:22:54+00:00 xxx dovecot: lmtp(27997): Error: passdb lookup(xxx(a)yyy.com): Disconnected unexpectedly I'm sure this is an obvious issue for someone who's come across it before. The /var/run/dovecot/director-userdb socket is on the system; exactly the same permissions as the standard auth-userdb Here are the relevant bits of my config (I'm setting lmtp to listen on a different port than normal). Backend password database is mysql if that makes any difference. lmtp_proxy = yes service lmtp { inet_listener lmtp_test { port = 2450 } } protocol lmtp { auth_socket_path = director-userdb } Thanks, Mark

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[Dovecot] Lost in configuration
by forumer＠smartmobili.com 12 Feb '12

12 Feb '12

Hi, I am trying to configure dovecot/postfix with virtual users and sasl auth but there are so many tutorials with mistakes and subtle differences that at the end I am lost. So I am running Ubuntu server 11.04 (natty) and when I installed my server I had followed the following guide http://workaround.org/ispmail/etch Then I have migrated to dovecot 2.1 and now I am trying to allow authenticated user to use my smtp server because for the moment I get : Relay access denied Here is my configuration (first is file hierarchy followed by file contents) and I would like to know what I need to do to allow authenticated user send email. In this tutorial http://library.linode.com/email/postfix/dovecot-mysql-ubuntu-10.04-lucid#sp… it seems I have to add some configuration lines inside /etc/pam.d/smtp and add database configuration inside /etc/postfix/sasl/smtpd.conf. But what I find weird is the fact I have to configure some sql queries from smtpd.conf while normally dovecot has already all the information to do this kind of query. So before to keep on modifying my config I would like to be sure I am following the right way. Thanks ########################### /etc/postfix ########################### drwxr-xr-x 3 root root 4096 2012-02-12 13:33 ./ drwxr-xr-x 116 root root 4096 2012-02-12 13:21 ../ -rw-r--r-- 1 root root 373 2011-07-24 11:50 dynamicmaps.cf -rw-r--r-- 1 root root 1928 2012-02-12 12:45 main.cf -rw-r--r-- 1 root root 5762 2011-08-03 22:06 master.cf -rw-rw---- 1 root postfix 140 2011-07-24 11:43 mysql-virtual-alias-maps.cf -rw-rw---- 1 root postfix 132 2011-07-24 11:47 mysql-virtual-mailbox-domains.cf -rw-rw---- 1 root postfix 128 2011-07-24 11:47 mysql-virtual-mailbox-maps.cf -rw-r--r-- 1 root root 19509 2011-04-05 06:07 postfix-files -rwxr-xr-x 1 root root 8729 2011-04-05 06:07 postfix-script* -rwxr-xr-x 1 root root 25752 2011-04-05 06:07 post-install* drwxr-xr-x 2 root root 4096 2012-02-12 12:41 sasl/ root@xa-12345:/etc/postfix# ll sasl/ drwxr-xr-x 2 root root 4096 2012-02-12 12:41 ./ drwxr-xr-x 3 root root 4096 2012-02-12 13:33 ../ -rw-r--r-- 1 root root 26 2012-02-12 12:41 smtpd.conf ########################### /etc/dovecot ########################### drwxr-xr-x 3 root root 4096 2011-09-24 11:42 ./ drwxr-xr-x 116 root root 4096 2012-02-12 13:21 ../ drwxr-xr-x 2 root dovecot 4096 2012-02-12 12:03 conf.d/ -rw-r--r-- 1 root dovecot 3693 2011-09-23 15:11 dovecot.conf -rw-r--r-- 1 root dovecot 410 2011-09-23 15:11 dovecot-db.conf.ext -rw-r--r-- 1 root dovecot 782 2011-09-23 15:11 dovecot-dict-sql.conf.ext -rw-r--r-- 1 root dovecot 5508 2011-09-23 15:38 dovecot-sql.conf -rw-r--r-- 1 root dovecot 5348 2011-09-23 15:11 dovecot-sql.conf.ext -rw-r--r-- 1 root dovecot 116 2011-09-23 15:11 README ########################### /etc/default/saslauthd ########################### -rw-r--r-- 1 root root 2043 2012-02-12 11:57 /etc/default/saslauthd ########################### /var/spool/postfix/var/run/ ########################### drwxr-xr-x 3 root root 4096 2012-02-12 12:35 ./ drwxr-xr-x 3 root root 4096 2012-02-12 12:35 ../ drwxr-xr-x 2 root sasl 4096 2012-02-12 12:35 saslauthd/ I have added postfix to the sasl group (don't know if it was necessary but I found this instruction on a website) /etc/group: sasl:x:45:postfix /etc/default/saslauthd: ---------------------- START=yes PWDIR="/var/spool/postfix/var/run/saslauthd" PARAMS="-m ${PWDIR}" PIDFILE="${PWDIR}/saslauthd.pid" DESC="SASL Authentication Daemon" NAME="saslauthd" MECHANISMS="pam" MECH_OPTIONS="" THREADS=5 OPTIONS="-c -m /var/spool/postfix/var/run/saslauthd" mkdir -p /var/spool/postfix/var/run/saslauthd chown -R root.sasl /var/spool/postfix/var/run/saslauthd Then I have checked saslauth is running after restart: root@xa-12345:/home/vmail# ps -ef | grep saslauthd root 6123 1 0 13:21 ? 00:00:00 /usr/sbin/saslauthd -a pam -c -m /var/run/saslauthd -n 5 root 6124 6123 0 13:21 ? 00:00:00 /usr/sbin/saslauthd -a pam -c -m /var/run/saslauthd -n 5 root 6125 6123 0 13:21 ? 00:00:00 /usr/sbin/saslauthd -a pam -c -m /var/run/saslauthd -n 5 root 6127 6123 0 13:21 ? 00:00:00 /usr/sbin/saslauthd -a pam -c -m /var/run/saslauthd -n 5 root 6128 6123 0 13:21 ? 00:00:00 /usr/sbin/saslauthd -a pam -c -m /var/run/saslauthd -n 5 Then when I check after restarting if saslauthd socket is created I don't see anything (don't know if it's normal) root@xa-12345:/home/vmail# ls -lh /var/spool/postfix/var/run/saslauthd total 0 /etc/postfix/sasl/smtpd.conf: ----------------------------- pwcheck_method: saslauthd /etc/postfix/main.cf: --------------------- myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache myhostname = mail.foobar.com alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = foobar.com mydestination = xa-12345.dadibox.com, localhost.dadibox.com, localhost relayhost = mynetworks = 127.0.0.0/8 80.190.190.190 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all #virtual domains virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf virtual_mailbox_base = /home/vmail virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf virtual_uid_maps = static:5000 virtual_gid_maps = static:5000 virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf # Dovecot LDA virtual_transport = dovecot dovecot_destination_recipient_limit = 1 debug_peer_level = 2 debug_peer_list = 127.0.0.1 smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_recipient_restrictions = permit_mynetworks,permit_sasl_authenticated,reject_unauth_destination smtpd_sasl_application_name = smtpd broken_sasl_auth_clients = yes /etc/dovecot/conf.d/10-auth.conf: -------------------------------------- disable_plaintext_auth = no !include auth-sql.conf.ext !include auth-static.conf.ext /etc/dovecot/conf.d/auth-static.conf.ext: ---------------------------------------- userdb { driver = static args = uid=5000 gid=5000 home=/home/vmail/%d/%n allow_all_users=yes } /etc/dovecot/conf.d/auth-sql.conf.ext: -------------------------------------- passdb { driver = sql args = /etc/dovecot/dovecot-sql.conf } /etc/dovecot/dovecot-sql.conf: ------------------------------ driver = mysql connect = host=127.0.0.1 dbname=mailserver user=myuser password=mypassword default_pass_scheme = CRAM-MD5 password_query = SELECT email as user, password FROM view_users WHERE email='%u'; /etc/dovecot/conf.d/10-master.conf: ---------------------------------- service imap-login { inet_listener imap { } inet_listener imaps { } } service pop3-login { inet_listener pop3 { } inet_listener pop3s { } } service lmtp { unix_listener lmtp { } } service imap { } service pop3 { } service auth { unix_listener auth-userdb { mode = 0600 user = vmail #group = } # Postfix smtp-auth unix_listener /var/spool/postfix/private/auth { mode = 0777 } } service auth-worker { } service dict { unix_listener dict { mode = 0600 #user = group = vmail } }

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[Dovecot] Quota Calculation seems to be wrong when using dsync
by Thomas Leuxner 12 Feb '12

12 Feb '12

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Recently I encountered odd quota increases when using 'dsync' with the latest and greatest: 2.0.8 (89936539e3b8). Say you got something in place like this: plugin { quota = dict:user::file:%h/mdbox/dovecot-quota quota_rule = *:storage=1GB quota_rule2 = Trash:storage=+10%% } Kick off a manual backup: $ dsync -u user(a)domain.tld backup mdbox:/<path to backup>/mdbox This results in doubling the quota for the backed up user. It doesn't seem to matter whether 'mirror' or 'backup' mode is used, both increase the "source" quota. Doesn't sound right to me. You can only get to the "real" usage by running a recalc manually: $ doveadm quota recalc -u user(a)domain.tld Anyone else seen this? Regards Thomas P.S. Merry Christmas -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.16 (Darwin) iEYEARECAAYFAk0VtH8ACgkQ+meF/S97aXjUkwCfdZFpUPCOY9UiukT+G68jCHHr mmMAnRHz56BXMzpC84CIYvUn4KHpl8OA =M0AZ -----END PGP SIGNATURE-----

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[Dovecot] Migration to mdbox from Maildir, missing folders!
by Giles Coochey 12 Feb '12

12 Feb '12

So I went and migrated a mailbox from mdbox from maildir format. All seemed ok, but I've found that I now have some missing folders. The mailbox in maildir format had some folders which contained an '&' sign, these appear to have been omitted... What can be done? (I have a backup of the maildir box). Note though that mdbox is now a live mailbox and has sent and received mails since the migration... -- Message sent via my webmail account.

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[Dovecot] folder hierarchies with migration from cyrus to dovecot2
by Wolfgang Rosenauer 12 Feb '12

12 Feb '12

Hi, I finally migrated my IMAP server from cyrus to dovecot2. I have been using cyrus since many years and have not much experience with dovecot yet though. I've converted my imap server using cyrus2dovecot (several times until I thought it was correct) but there is one thing left which confuses me and I'm not sure what I can or need to do to change it. With Cyrus I used unixhierarchysep: yes and subfolders within Cyrus are always below INBOX. I'm used to that in my IMAP clients and wanted to preserve it with Dovecot. So during migration I finally made sure to create the subfolder again below INBOX wich looks fine in Thunderbird for example. But my mobile devices (Android based with K9) were displaying the folders with Cyrus just with their name w/o the INBOX prefix. (Mobile clients are bad in displaying folder hierarchies so it was convenient to have them looking like they were in parallel to the Inbox.) Now I get the folders displayed as INBOX.whatever and my Android mail clients fail to map them to the special (and localized) folders like Trash. While that seems consistent to my current hierarchy it's not what I wanted. So basically my two questions are: - Can I configure Dovecot in a way that it looks like Cyrus? Having subfolders below Inbox but let clients like those on Android display them besides Inbox? - If that's not possible, can I move the subfolders up one level so they are next to the Inbox? How would I do that? Sorry for the beginner questions. I played around with Dovecot before but using it in production environment disclosed some fine differences. Thanks, Wolfgang

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[Dovecot] [PATCH] Allow verification of user's hash in doveadm-pw
by Spack 12 Feb '12

12 Feb '12

Hi, It may be useful for testing purpose to know if a generated password hash correspond to a given clear password. This can be useful to check if a hash generated by another program can be verified by Dovecot without any errors. This patch adds the ability the verify a password hash using `doveadm pw` via the `-V` option. $ doveadm pw -s SSHA.hex Enter new password: Retype new password: {SSHA.HEX}58b910d947c60b35be3e12b0d9897c1f87dfa450e6d5a75c $ doveadm pw -s SSHA.hex -V{SSHA.HEX}58b910d947c60b35be3e12b0d9897c1f87dfa450e6d5a75c Enter new password: Retype new password: {SSHA.HEX}4fdf801f57870fb624bee60895c2308187837dfb3987ca06 (verified) When the user specify a hash, it is checked in place of the usual verification process. This works with all schemes. Just be sure to escape special characters or use simple quotes. $ doveadm pw -s MD5-CRYPT -V'{MD5-CRYPT}$1$R7thDyN.$E0G0czPE/h4S0Hn/b5oVW1' Enter new password: Retype new password: {MD5-CRYPT}$1$rp8nVSqq$gDAPM5iqv1yhBoDZIWsQ4/ (verified) Lets print a failed check: doveadm pw -s CRYPT -V{CRYPT}/uuE/AAAAAAAA Enter new password: Retype new password: reverse password verification check failed FYI the word used for those test cases was "password". Regards, ___ Jimmy Thrasibule <spack.world(a)gmail.com>

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[Dovecot] Can't view all sub folders or e-mail using Dovecot with Maildir.
by Glen Johnson 11 Feb '12

11 Feb '12

I have an IMAP mail server running Postfix, and Dovecot. I have an old Notebook computer which I can view all e-mails. The problem I am having is when I try to use any other computer on the network to view the e-mail I can not see the contents of all the folders. I can see some of the folders and their content but not all. To answer a couple of preliminary questions: dovecot version 2.0.13, postfix version 2.8.3 dovecot.conf ------------------ # 2.0.13: /usr/pkg/etc/dovecot/dovecot.conf # OS: NetBSD 4.0.1 i386 auth_debug = yes auth_verbose = yes disable_plaintext_auth = no listen = * log_path = /var/log/dovecot.log mail_location = maildir:~/Maildir/ passdb { driver = passwd } passdb { args = /usr/pkg/etc/dovecot/passwd driver = passwd-file } protocols = imap service auth { user = root } service imap-login { executable = /usr/pkg/libexec/dovecot/imap-login } ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { driver = passwd } protocol lda { postmaster_address = postmaster(a)denisecir.com }

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[Dovecot] doveadm index
by Daniel L. Miller 10 Feb '12

10 Feb '12

Does "doveadm index -A INBOX" reindex everything? What about users with multiple folders, both subbed & not subbed under INBOX? -- Daniel

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[Dovecot] Postfix + LMTP with virtual users: how to strip domain from LMTP RCPT TO
by Mildred Ki'Lya 10 Feb '12

10 Feb '12

Hi, I am trying to set up my own mail server (to get off Google) and I have a problem with mail delivery. I'm using Postfix as a SMTP front-end, and use the LMTP server included in dovecot to receive mail from postfix. I have a setup which works with the dovecot LDA, it involves calling dovecot-lda with the -d flag. Postfix computes the username by removing what's after the recipient_delimiter and the domain from the mail address, and gives this username to dovecot. But, I'd prefer using LMTP, as it is possible to reject unknown e-mails without having to duplicate the user database (it is explained here: http://wiki2.dovecot.org/LDA/Postfix ) I set up LMTP so that postfix uses the socket provided by dovecot, and it works. Only I get the following error message in the logs: Feb 10 18:05:53 ashley postfix/smtpd[9298]: NOQUEUE: reject: RCPT from mail-wi0-f179.google.com[209.85.212.179]: 450 4.1.1 <mildred(a)mildred.fr>: Recipient address rejected: unverified address: host mail.mildred.fr[private/dovecot-lmtp] said: 550 5.1.1 <mildred(a)mildred.fr> User doesn't exist: mildred(a)mildred.fr(in reply to RCPT TO command); from=< shanti(a)sogilis.com> to=<mildred(a)mildred.fr> proto=ESMTP helo=< mail-wi0-f179.google.com> Feb 10 18:06:52 ashley postfix/smtpd[9298]: NOQUEUE: reject: RCPT from mail-wi0-f179.google.com[209.85.212.179]: 450 4.1.1 <mildred-test(a)mildred.fr>: Recipient address rejected: unverified address: host mail.mildred.fr[private/dovecot-lmtp] said: 550 5.1.1 <mildred-test(a)mildred.fr> User doesn't exist: mildred-test(a)mildred.fr (in reply to RCPT TO command); from=< shanti(a)sogilis.com> to=<mildred-test(a)mildred.fr> proto=ESMTP helo=< mail-wi0-f179.google.com> I followed the explanations here: http://wiki2.dovecot.org/HowTo/PostfixDovecotLMTP The problem is that my passwd-like file only contains a user named "mildred". I tried to add a user mildred(a)mildred.fr and mildred%mildred.frbut it doesn't work either. Do you know how I could tell dovecot to guess the username correctly ? Thanks, Mildred -- Mildred Ki'Lya http://mildred.fr

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[Dovecot] dsync deleting too many emails (sdbox)
by Asheesh Laroia 09 Feb '12

09 Feb '12

I'm using dsync to synchronize emails on a laptop where wifi connectivity sometimes fails in the middle of a sync. I have a shell script that runs dsync, and here is one line of it including the output of dsync: + dsync -f -m realmail mirror /home/paulproteus/projects/ssh-attach/run ssh rose.makesad.us dsync dsync-local(paulproteus): Error: dbox /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails: Unexpectedly lost uid=337460 dsync-local(paulproteus): Error: msg guid lookup failed: Internal error occurred. Refer to server log for more information. [2012-02-02 11:02:12] dsync-local(paulproteus): Warning: sdbox /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails: Rebuilding index dsync-local(paulproteus): Warning: sdbox /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails: Ignoring invalid filename 130608.broken dsync-local(paulproteus): Warning: sdbox /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails: Ignoring invalid filename 66159.broken dsync-local(paulproteus): Error: Corrupted dbox file /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.66159 (around offset=16): EOF reading msg header (got 0/30 bytes) dsync-local(paulproteus): Error: link(/home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.66159, /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.66159.broken) failed: File exists dsync-local(paulproteus): Error: Corrupted dbox file /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.66159 (around offset=16): EOF reading msg header (got 0/30 bytes) dsync-local(paulproteus): Warning: sdbox: Skipping unfixable file: /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.66159 dsync-local(paulproteus): Warning: sdbox /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails: Ignoring invalid filename 336269.broken dsync-local(paulproteus): Error: Corrupted dbox file /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.130608 (around offset=16): EOF reading msg header (got 0/30 bytes) dsync-local(paulproteus): Error: link(/home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.130608, /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.130608.broken) failed: File exists dsync-local(paulproteus): Error: Corrupted dbox file /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.130608 (around offset=16): EOF reading msg header (got 0/30 bytes) dsync-local(paulproteus): Warning: sdbox: Skipping unfixable file: /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.130608 dsync-remote(paulproteus): Error: proxy server timed out dsync-local(paulproteus): Error: Corrupted dbox file /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.336269 (around offset=16): EOF reading msg header (got 0/30 bytes) dsync-local(paulproteus): Error: link(/home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.336269, /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.336269.broken) failed: File exists dsync-local(paulproteus): Error: Corrupted dbox file /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.336269 (around offset=16): EOF reading msg header (got 0/30 bytes) dsync-local(paulproteus): Warning: sdbox: Skipping unfixable file: /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/u.336269 dsync-local(paulproteus): Warning: Transaction log file /home/paulproteus/Maildir/dbox/mailboxes/realmail/dbox-Mails/dovecot.index.log was locked for 1528 seconds That seemed problematic, but not dangerous. Then I ran a fresh sync, and found 3000 (of 60,000) messages had been deleted and expunged from the "realmail" box. I'm guessing this is some bad interaction with sdbox and partial file downloads? I haven't read the code for this, but I would guess the dsync process isn't being atomic about file transfers, so it is leaving half-completed transfers in place, which results in corrupt files when they're next examined. dovecot -n output: # 2.0.15: /etc/dovecot/dovecot.conf # OS: Linux 3.0.0-2-amd64 x86_64 Debian wheezy/sid mail_location = sdbox:~/Maildir/dbox passdb { driver = pam } protocols = " imap" ssl_cert = </etc/ssl/certs/dovecot.pem ssl_key = </etc/ssl/private/dovecot.pem userdb { driver = passwd } -- Asheesh.

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[Dovecot] Strange behavior from shared namespaces and INBOX, probably a bug
by Christoph Bussenius 09 Feb '12

09 Feb '12

Hi, we have experienced some erratic behavior from Dovecot 2.0.15 if a user's INBOX is shared. Some folders of user1, including the INBOX, have been shared using these IMAP commands: . login user1 XXXXXX . setacl INBOX user2 lrwstiekx . setacl box-a user2 lrwstiekx Now if we use telnet to log in as user2 and select "shared/user1", it will contain the same mails as "shared/user1/INBOX". The really strange thing is that "SELECT"-ing "shared/user1" succeeds only if it is the first command afted logging in. If it not the first command (if e. g. the "LIST" or "SELECT" command has already been used), then dovecot will report that the mailbox does not exist. As a result, user agents like Thunderbird will behave very erratically in this setup. They may show both mailboxes ("shared/user1" and "shared/user1/INBOX") with the same mails, but will not always succeed to download mails for "shared/user1". We were able to reproduce this behavior with a quite simple configuration (see further below), so I doubt that the problem is in the configuration. So, is this a bug in Dovecot? I am not quite sure how exactly it should behave, but it definitely does not seem right this way. Below are the results from telnet: Sending: . login user2 XXXXXX . select shared/user1 Receiving: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted. * 5 EXISTS * 0 RECENT * OK [UNSEEN 1] First unseen. * OK [UIDVALIDITY 1316698162] UIDs valid * OK [UIDNEXT 6] Predicted next UID * OK [HIGHESTMODSEQ 1] Highest . OK [READ-WRITE] Select completed. Sending: . fetch 1:2 (internaldate rfc822.size) Receiving: * 1 FETCH (INTERNALDATE "25-Apr-2006 23:09:07 +0200" RFC822.SIZE 5660) * 2 FETCH (INTERNALDATE "25-Apr-2006 23:11:01 +0200" RFC822.SIZE 6612) . OK Fetch completed. Sending: . select shared/user1/INBOX Receiving: * OK [CLOSED] Previous mailbox closed. * FLAGS (\Answered \Flagged \Deleted \Seen \Draft) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)] Flags permitted. * 5 EXISTS * 0 RECENT * OK [UNSEEN 1] First unseen. * OK [UIDVALIDITY 1316698162] UIDs valid * OK [UIDNEXT 6] Predicted next UID * OK [HIGHESTMODSEQ 1] Highest . OK [READ-WRITE] Select completed. Sending: . fetch 1:2 (internaldate rfc822.size) Receiving: (Note that these mails are the same as those above) * 1 FETCH (INTERNALDATE "25-Apr-2006 23:09:07 +0200" RFC822.SIZE 5660) * 2 FETCH (INTERNALDATE "25-Apr-2006 23:11:01 +0200" RFC822.SIZE 6612) . OK Fetch completed. Now we select the first mailbox again: Sending: . select shared/user1 Receiving: . NO Mailbox doesn't exist: shared/user1 * OK [CLOSED] Previous mailbox closed. The same command did not fail earlier. Listing the mailboxes shows the following: Sending: . list "" * Receiving: * LIST (\HasNoChildren) "/" "INBOX" * LIST (\Noselect \HasChildren) "/" "shared/user1" * LIST (\HasNoChildren) "/" "shared/user1/box-a" * LIST (\HasNoChildren) "/" "shared/user1/INBOX" . OK List completed. I can reproduce this behavior using the following setup: Virtual users on an ext4 filesystem in /mail/users/{user1,user2} configured in a passwd file (/usr/local/dovecot/etc/dovecot/users): user1:{plain}XXXXXX:::user1:/mail/users/user1:: user2:{plain}XXXXXX:::user2:/mail/users/user2:: Output of doveconf -n: # 2.0.15: /usr/local/dovecot/etc/dovecot/dovecot.conf # OS: Linux 2.6.32-33-server x86_64 Ubuntu 10.04.3 LTS disable_plaintext_auth = no mail_gid = vmail mail_plugins = acl mail_uid = vmail namespace { inbox = yes location = maildir:~/Maildir prefix = separator = / } namespace { list = children location = maildir:%%h/Maildir prefix = shared/%%u/ separator = / subscriptions = no type = shared } passdb { args = scheme=CRYPT username_format=%u /usr/local/dovecot/etc/dovecot/users driver = passwd-file } plugin { acl = vfile acl_shared_dict = file:/mail/shared-mailboxes } 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 Bußenius -- Christoph Bußenius Rechnerbetriebsgruppe der Fakultäten Informatik und Mathematik TU München +49 89-289-18519 <> Raum 00.05.055 <> Boltzmannstr. 3 <> Garching

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