September 2012 - dovecot

[Dovecot] question on "doveadm user" and pass/userdb
by Gábor Lénárt 22 Jan '13

22 Jan '13

Hi, I'm about getting to know dovecot in details, I am about the command "doveadm user". The man page shows this example: userdb: jane uid : 8001 gid : 8001 home : /home/jane mail : sdbox:~/sdbox plugins : sieve quota_rule: *:storage=150M It seems to be nice, however I never got this only: ~# doveadm user lgb@office userdb: lgb@office That's all. The dovecot test configuration works otherwise via IMAP/POP3/LMTP nicely. What I guess that the lack of extra information (which would be needed by some scripts of mine, eg for getting user's home easily from shell scripts, as it's hash based, etc) is caused because I don't pass home (and/or other settings) back from userdb and/or passdb. However I do have these in global scope: mail_home = /mailstorage/%Ld/%Ln (yes, this is not hashed at all at the momement but it will be soon) mail_location = maildir:~/Maildir mail_uid = vmail mail_gid = vmail (... and also some global quota stuffs configured in plugin section) Now, I am a bit confused: even with passdb/userdb does not return with user home or GID/UID, dovecot knows these in case of pop3/imap/lmtp access, since these information can be "composed" from those settings. But then, wouldn't it possible so "doveadm user" shows those as well, like lmtp/pop3/imap can resolve those too? Honestly, it's a bit redundant to put needed information into user and pass attrs in every dbs (I have some) when dovecot knows those otherwise ... If I interpret "doveadm user"'s goal wrong (it's just for userdb/passdb query tool nothing more), is there any tool which works in this config, displaying extra information (at least user's home), or should I create some script which just repeats the functionality of dovecot's configured mail_home resolution? Thanks.

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[Dovecot] v2.1 memory usage
by Timo Sirainen 21 Nov '12

21 Nov '12

v2.1's imap/pop3 processes are linked with OpenSSL by default, because of imapc/pop3c storages. I wonder if you notice any actual (system-global) memory usage reduction when compiling without those and you have thousands of imap processes? ./configure --with-storages=mdbox sdbox maildir mbox cydir I guess I could try it myself also but maybe someone else wanting to reduce memory usage is quicker? :) Related to that, you can look at where imap processes' memory goes with: http://dovecot.org/tools/linux-maps-parse-imap.pl I don't know how much memory those (writable!) file-backed memory areas actually use per-process. Maybe nothing, maybe something..

8 13

[Dovecot] Dovecot: pipe() failed: Too many open files
by Fasil 25 Oct '12

25 Oct '12

Dear all, Thank you all for such a wonderful support. Hats off to all :) Few times I came across imap login issues where new users will not be allowed to login. /var/log/mail.err shows the error below Aug 12 07:57:46 mail dovecot: dovecot: pipe() failed: Too many open files Aug 12 07:57:46 mail dovecot: dovecot: Temporary failure in creating login processes, slowing down for now Aug 12 07:58:46 mail dovecot: dovecot: pipe() failed: Too many open files Aug 12 07:59:46 mail dovecot: dovecot: pipe() failed: Too many open files Aug 12 08:00:46 mail dovecot: dovecot: pipe() failed: Too many open files I have a dovecot (V 1.2.9) +postfix (V 2.7.0) setup on ubuntu 10.04 # ulimit -Hn 1024 # ulimit -Sn 1024 # cat /proc/sys/fs/file-max 1238548 # cat /proc/`pidof dovecot`/limits | grep 'Max open' Max open files 1024 1024 files Please advice how to get rid off this. Fasil.

3 4

[Dovecot] (new) director issues in 2.1.10
by Kelsey Cummings 23 Oct '12

23 Oct '12

Timo - I upgraded to 2.1.10 on our director servers two nights ago and apart from errors associated with the directors processes restarting everything looked great for ~24 hours until I failed our the real servers last night to update the nfs mount options for the spools. I followed the suggested procedure for each backend server, just run on one of the directors, which seemed to work as expected. doveadm director add x.x.x.x 0 doveadm director flush x.x.x.x The following errors on the directors that started after this went unnoticed until this AM. director: User bb host lookup failed: Timeout - queued for 30 secs (Ring synced for 36 secs) director: User cc host lookup failed: Timeout - queued for 48 secs (Ring synced for 66 secs, user refreshed 12 secs ago) director: User dd host lookup failed: Timeout - queued for 124 secs (Ring synced for 119 secs, weak user, user refreshed 155 secs ago) director: User ee host lookup failed: Timeout - queued for 79 secs (Ring synced for 119 secs, weak user, user refreshed 113 secs ago) ... User ff host lookup failed: Timeout - queued for 30 secs (Ring synced for 7427 secs, weak user, user refreshed 620 secs ago) This continued, combined with occasional login timeouts (as reported by some internal imap clients.) The login delays/timeouts got bad enough that our load balancers dropped both the servers while I was investigating. They seem to be okay after being restarted. -K

2 5

[Dovecot] Dovecot sieve and duplicate email subjects
by Benjamin Thomas 17 Oct '12

17 Oct '12

Hi, I'm running a small email server with the help of iRedMail. I can manage sieve scripts from the Rouncube web interface or manually inside the user's personal sieve folder. I have an email account setup to receive automated tasks. Some of these "alerts" occur too often and they have the same subject line, but different senders. This is the rule I am currently using: ##CODE START## # rule:[AutoAlerts] if anyof ( header :matches "Subject" "AutoAlert Type1*", header :matches "Subject" "AutoAlert Type2*", header :matches "Subject" "AutoAlert Type3*" ) { fileinto "INBOX.AutoAlerts"; stop; } ##CODE END## I was wondering if it's possible to gracefully handle duplicate subjects lines (within a given time frame) with sieve filters ? Ideally, I would like the first email of the day with subject ""AutoAlert Type1..." to get moved to the subfolder given above. Subsequent "duplicate" emails would then go into a "duplicate" subfolder. Is this possible with sieve filters ? I could not find anything striking me as obvious while reading the page http://wiki.dovecot.org/LDA/Sieve. Thanks very much for your input.

2 3

[Dovecot] Dovecot deliver Segmentation fault when arrive the first message
by Alessio Cecchi 16 Oct '12

16 Oct '12

Hi, I have found this strange problem. I'm working with Debian 6, dovecot 2.1.9 and vpopmail-auth. LDA is configured and works fine but the problem is when the first message arrive "dovecot-lda" return a "Segmentation fault", the message is written to the user's Mailbox but the message remains, also, in the queue of qmail (deferral: Segmentation_fault/) and at the second attempt is delivered fine. If disable ACL (acl and imap_acl from mail_plugins) in dovecot.conf "Segmentation fault" go away. Moreover, without ACL at the first delivery folders like Sent, Drafts, Trash, Spam appear immediately. An example, new user: root@demo-vpop ~ # tree /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/ -a /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/ ├── cur ├── maildirsize ├── new └── tmp root@demo-vpop ~ # cat testmail.txt | /usr/local/dovecot-2.1/libexec/dovecot/deliver -d cecchi2(a)qboxdns.it Segmentation fault root@demo-vpop ~ # echo $? 139 root@demo-vpop ~ # tree /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/ -a /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/ ├── cur ├── dovecot-acl-list ├── dovecot.index.cache ├── dovecot.index.log ├── dovecot-uidlist ├── dovecot-uidvalidity ├── dovecot-uidvalidity.50599a7f ├── maildirsize ├── new │ └── 1348049535.M21758P19264.demo-vpop.cbsolt.net,S=2025,W=2071 └── tmp dovecot log (with ulimit -c unlimited before starting Dovecot): Sep 19 12:06:50 auth: Debug: Loading modules from directory: /usr/local/dovecot-2.1/lib/dovecot/auth Sep 19 12:06:50 auth: Debug: master in: USER 1 cecchi2(a)qboxdns.it service=lda Sep 19 12:06:50 auth-worker(18728): Debug: Loading modules from directory: /usr/local/dovecot-2.1/lib/dovecot/auth Sep 19 12:06:50 auth-worker(18728): Debug: vpopmail(cecchi2(a)qboxdns.it): lookup user=cecchi2 domain=qboxdns.it Sep 19 12:06:50 auth: Debug: master out: USER 1 cecchi2(a)qboxdns.it uid=89 gid=89 home=/home/vpopmail/domains/qboxdns.it/cecchi2 quota_rule=*:backend=10485760S Sep 19 12:06:50 dict: Info: mysql(localhost): Connected to database dovecot lda log: Sep 19 12:06:50 lda: Debug: Loading modules from directory: /usr/local/dovecot-2.1/lib/dovecot Sep 19 12:06:50 lda: Debug: Module loaded: /usr/local/dovecot-2.1/lib/dovecot/lib01_acl_plugin.so Sep 19 12:06:50 lda: Debug: Module loaded: /usr/local/dovecot-2.1/lib/dovecot/lib10_quota_plugin.so Sep 19 12:06:50 lda: Debug: auth input: cecchi2(a)qboxdns.it uid=89 gid=89 home=/home/vpopmail/domains/qboxdns.it/cecchi2 quota_rule=*:backend=10485760S Sep 19 12:06:50 lda: Debug: Added userdb setting: plugin/quota_rule=*:backend=10485760S Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Effective uid=89, gid=89, home=/home/vpopmail/domains/qboxdns.it/cecchi2 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Quota root: name=UserQuota backend=maildir args= Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Quota rule: root=UserQuota mailbox=* bytes=10485760 messages=0 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Quota rule: root=UserQuota mailbox=Trash bytes=+104857600 messages=0 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Quota root: name=User quota backend=dict args=:noenforcing:proxy::quota Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: dict quota: user=cecchi2(a)qboxdns.it, uri=proxy::quota, noenforcing=1 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Namespace inbox: type=private, prefix=, sep=/, inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: maildir++: root=/home/vpopmail/domains/qboxdns.it/cecchi2/Maildir, index=, control=, inbox=/home/vpopmail/domains/qboxdns.it/cecchi2/Maildir, alt= Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl: initializing backend with data: vfile:/usr/local/dovecot-2.1/etc/dovecot/global-acls:cache_secs=300 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl: acl username = cecchi2(a)qboxdns.it Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl: owner = 1 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: Global ACL directory: /usr/local/dovecot-2.1/etc/dovecot/global-acls Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Namespace : type=shared, prefix=shared/%n/, sep=/, inbox=no, hidden=no, list=children, subscriptions=no location=maildir:%h/Maildir:INDEX=~/Maildir/shared/%u Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: shared: root=/usr/local/dovecot-2.1/var/run/dovecot, index=, control=, inbox=, alt= Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl: initializing backend with data: vfile:/usr/local/dovecot-2.1/etc/dovecot/global-acls:cache_secs=300 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl: acl username = cecchi2(a)qboxdns.it Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl: owner = 0 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: Global ACL directory: /usr/local/dovecot-2.1/etc/dovecot/global-acls Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Quota root: name=UserQuota backend=maildir args= Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Quota root: name=User quota backend=dict args=:noenforcing:proxy::quota Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: dict quota: user=raw mail user, uri=proxy::quota, noenforcing=1 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: none: root=, index=, control=, inbox=, alt= Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Destination address: cecchi2(a)qboxdns.it (source: user@hostname) Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: Namespace : Using permissions from /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir: mode=0700 gid=-1 Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Info: msgid=<5059979E.3080402(a)cecchi.biz>: saved mail to INBOX Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls//.DEFAULT not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/INBOX not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/dovecot-acl not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/Drafts not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Drafts/dovecot-acl not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/Spam not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Spam/dovecot-acl not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/Trash not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Trash/dovecot-acl not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/Sent not found Sep 19 12:06:50 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Sent/dovecot-acl not found now works fine: root@demo-vpop ~ # cat testmail.txt | /usr/local/dovecot-2.1/libexec/dovecot/deliver -d cecchi2(a)qboxdns.it Sep 19 12:08:18 auth: Debug: master in: USER 1 cecchi2(a)qboxdns.it service=lda Sep 19 12:08:18 auth-worker(18763): Debug: Loading modules from directory: /usr/local/dovecot-2.1/lib/dovecot/auth Sep 19 12:08:18 auth-worker(18763): Debug: vpopmail(cecchi2(a)qboxdns.it): lookup user=cecchi2 domain=qboxdns.it Sep 19 12:08:18 auth: Debug: master out: USER 1 cecchi2(a)qboxdns.it uid=89 gid=89 home=/home/vpopmail/domains/qboxdns.it/cecchi2 quota_rule=*:backend=10485760S Sep 19 12:08:18 dict: Info: mysql(localhost): Connected to database dovecot Sep 19 12:08:18 lda: Debug: Loading modules from directory: /usr/local/dovecot-2.1/lib/dovecot Sep 19 12:08:18 lda: Debug: Module loaded: /usr/local/dovecot-2.1/lib/dovecot/lib01_acl_plugin.so Sep 19 12:08:18 lda: Debug: Module loaded: /usr/local/dovecot-2.1/lib/dovecot/lib10_quota_plugin.so Sep 19 12:08:18 lda: Debug: auth input: cecchi2(a)qboxdns.it uid=89 gid=89 home=/home/vpopmail/domains/qboxdns.it/cecchi2 quota_rule=*:backend=10485760S Sep 19 12:08:18 lda: Debug: Added userdb setting: plugin/quota_rule=*:backend=10485760S Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Effective uid=89, gid=89, home=/home/vpopmail/domains/qboxdns.it/cecchi2 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Quota root: name=UserQuota backend=maildir args= Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Quota rule: root=UserQuota mailbox=* bytes=10485760 messages=0 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Quota rule: root=UserQuota mailbox=Trash bytes=+104857600 messages=0 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Quota root: name=User quota backend=dict args=:noenforcing:proxy::quota Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: dict quota: user=cecchi2(a)qboxdns.it, uri=proxy::quota, noenforcing=1 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace inbox: type=private, prefix=, sep=/, inbox=yes, hidden=no, list=yes, subscriptions=yes location=maildir:~/Maildir Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: maildir++: root=/home/vpopmail/domains/qboxdns.it/cecchi2/Maildir, index=, control=, inbox=/home/vpopmail/domains/qboxdns.it/cecchi2/Maildir, alt= Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl: initializing backend with data: vfile:/usr/local/dovecot-2.1/etc/dovecot/global-acls:cache_secs=300 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl: acl username = cecchi2(a)qboxdns.it Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl: owner = 1 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: Global ACL directory: /usr/local/dovecot-2.1/etc/dovecot/global-acls Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : type=shared, prefix=shared/%n/, sep=/, inbox=no, hidden=no, list=children, subscriptions=no location=maildir:%h/Maildir:INDEX=~/Maildir/shared/%u Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: shared: root=/usr/local/dovecot-2.1/var/run/dovecot, index=, control=, inbox=, alt= Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl: initializing backend with data: vfile:/usr/local/dovecot-2.1/etc/dovecot/global-acls:cache_secs=300 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl: acl username = cecchi2(a)qboxdns.it Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl: owner = 0 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: Global ACL directory: /usr/local/dovecot-2.1/etc/dovecot/global-acls Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Quota root: name=UserQuota backend=maildir args= Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Quota root: name=User quota backend=dict args=:noenforcing:proxy::quota Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: dict quota: user=raw mail user, uri=proxy::quota, noenforcing=1 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: none: root=, index=, control=, inbox=, alt= Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Destination address: cecchi2(a)qboxdns.it (source: user@hostname) Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Info: msgid=<5059979E.3080402(a)cecchi.biz>: saved mail to INBOX Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls//.DEFAULT not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/INBOX not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/dovecot-acl not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/Drafts not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Drafts/dovecot-acl not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Drafts doesn't exist yet, using default permissions Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : Using permissions from /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir: mode=0700 gid=-1 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls//.DEFAULT not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/Spam not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Spam/dovecot-acl not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Spam doesn't exist yet, using default permissions Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : Using permissions from /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir: mode=0700 gid=-1 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls//.DEFAULT not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/Trash not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Trash/dovecot-acl not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Trash doesn't exist yet, using default permissions Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : Using permissions from /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir: mode=0700 gid=-1 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls//.DEFAULT not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls/Sent not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Sent/dovecot-acl not found Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir/.Sent doesn't exist yet, using default permissions Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: Namespace : Using permissions from /home/vpopmail/domains/qboxdns.it/cecchi2/Maildir: mode=0700 gid=-1 Sep 19 12:08:18 lda(cecchi2(a)qboxdns.it): Debug: acl vfile: file /usr/local/dovecot-2.1/etc/dovecot/global-acls//.DEFAULT not found # 2.1.9: /usr/local/dovecot-2.1/etc/dovecot/dovecot.conf # OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.5 auth_cache_size = 512 k auth_debug = yes auth_debug_passwords = yes auth_verbose = yes auth_worker_max_count = 60 default_login_user = nobody dict { acl = mysql:/usr/local/dovecot-2.1/etc/dovecot/dovecot-share-folder.conf quota = mysql:/usr/local/dovecot-2.1/etc/dovecot/dovecot-dict-sql.conf.ext } disable_plaintext_auth = no dotlock_use_excl = no first_valid_gid = 89 first_valid_uid = 89 last_valid_gid = 89 last_valid_uid = 89 lda_mailbox_autocreate = yes lda_mailbox_autosubscribe = yes log_path = /var/log/dovecot/dovecot.log mail_debug = yes mail_fsync = always mail_location = maildir:~/Maildir mail_nfs_index = yes mail_nfs_storage = yes mail_plugins = quota acl maildir_very_dirty_syncs = yes mmap_disable = yes namespace { list = children location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u prefix = shared/%%n/ separator = / subscriptions = no type = shared } namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Sent { auto = subscribe special_use = \Sent } mailbox Spam { auto = subscribe special_use = \Junk } mailbox Trash { auto = subscribe special_use = \Trash } prefix = separator = / } passdb { args = cache_key=%s%u webmail=192.168.113.215 driver = vpopmail } plugin { acl = vfile:/usr/local/dovecot-2.1/etc/dovecot/global-acls:cache_secs=300 acl_shared_dict = proxy::acl quota = maildir:UserQuota quota2 = dict:User quota::noenforcing:proxy::quota quota_rule2 = Trash:storage=+100M } protocols = imap pop3 sendmail_path = /var/qmail/bin/sendmail service auth { unix_listener auth-userdb { group = vchkpw mode = 0660 user = vpopmail } } service dict { unix_listener dict { group = vchkpw mode = 0660 user = vpopmail } } service imap-login { service_count = 0 } service pop3-login { service_count = 0 } ssl_cert = </etc/ssl/certs/wildcard-cbsolt.pem ssl_key = </etc/ssl/private/wildcard-cbsolt.key userdb { args = quota_template=quota_rule=*:backend=%q driver = vpopmail } protocol lda { log_path = /var/log/dovecot/lda.log } protocol imap { imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags mail_max_userip_connections = 20 mail_plugins = quota acl imap_quota imap_acl } protocol pop3 { mail_max_userip_connections = 5 pop3_client_workarounds = outlook-no-nuls oe-ns-eoh } Thanks -- Alessio Cecchi is: @ ILS -> http://www.linux.it/~alessice/ on LinkedIn -> http://www.linkedin.com/in/alessice Assistenza Sistemi GNU/Linux -> http://www.cecchi.biz/ @ PLUG -> ex-Presidente, adesso senatore a vita, http://www.prato.linux.it

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[Dovecot] doveadm purge -A via doveadm-proxy director fails after some users
by Daniel Parthey 06 Oct '12

06 Oct '12

Hi, we have configured userdb and passdb in the director and try to iterate all users and pass the "purge" command via doveadm proxy to port 19000 on the correct director backend host. A single purge -u username(a)example.org via doveadm-proxy works correctly, but iterating over some users with -A fails. Note: users/domains have been anonymized in output: ------------------------------------------------------------------------ mail04:~# /usr/bin/doveadm -c /etc/dovecot-director/dovecot-director.conf -D purge -A 2>&1 doveadm(root): Debug: Loading modules from directory: /usr/lib/dovecot/modules/doveadm doveadm(root): Debug: Skipping module doveadm_acl_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_doveadm_acl_plugin.so: undefined symbol: acl_user_module (this is usually intentional, so just ignore this message) doveadm(root): Debug: Skipping module doveadm_expire_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_doveadm_expire_plugin.so: undefined symbol: expire_set_lookup (this is usually intentional, so just ignore this message) doveadm(root): Debug: Skipping module doveadm_quota_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_doveadm_quota_plugin.so: undefined symbol: quota_user_module (this is usually intentional, so just ignore this message) doveadm(root): Debug: Skipping module doveadm_zlib_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_doveadm_zlib_plugin.so: undefined symbol: i_stream_create_deflate (this is usually intentional, so just ignore this message) doveadm(root): Debug: Skipping module doveadm_fts_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib20_doveadm_fts_plugin.so: undefined symbol: fts_list_backend (this is usually intentional, so just ignore this message) doveadm(user01(a)domain1.example.org): Debug: auth input: user=user01(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user02(a)domain1.example.org): Debug: auth input: user=user02(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user03(a)domain1.example.org): Debug: auth input: user=user03(a)domain1.example.org proxy host=10.129.3.192 proxy_refresh=86400 doveadm(user04(a)domain1.example.org): Debug: auth input: user=user04(a)domain1.example.org proxy host=10.129.3.192 proxy_refresh=86400 doveadm(user05(a)domain1.example.org): Debug: auth input: user=user05(a)domain1.example.org proxy host=10.129.3.190 proxy_refresh=86400 doveadm(user06(a)domain1.example.org): Debug: auth input: user=user06(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user07(a)domain1.example.org): Debug: auth input: user=user07(a)domain1.example.org proxy host=10.129.3.190 proxy_refresh=86400 doveadm(user08(a)domain1.example.org): Debug: auth input: user=user08(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user01(a)domain2.example.org): Debug: auth input: user=user01(a)domain2.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user09(a)domain1.example.org): Debug: auth input: user=user09(a)domain1.example.org proxy host=10.129.3.190 proxy_refresh=86400 10 / 94doveadm(user10(a)domain1.example.org): Debug: auth input: user=user10(a)domain1.example.org proxy host=10.129.3.190 proxy_refresh=86400 doveadm(user11(a)domain1.example.org): Debug: auth input: user=user11(a)domain1.example.org proxy host=10.129.3.191 proxy_refresh=86400 doveadm(user12(a)domain1.example.org): Debug: auth input: user=user12(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user13(a)domain1.example.org): Debug: auth input: user=user13(a)domain1.example.org proxy host=10.129.3.190 proxy_refresh=86400 doveadm(user14(a)domain1.example.org): Debug: auth input: user=user14(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user15(a)domain1.example.org): Debug: auth input: user=user15(a)domain1.example.org proxy host=10.129.3.191 proxy_refresh=86400 doveadm(user16(a)domain1.example.org): Debug: auth input: user=user16(a)domain1.example.org proxy host=10.129.3.191 proxy_refresh=86400 doveadm(user17(a)domain1.example.org): Debug: auth input: user=user17(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user18(a)domain1.example.org): Debug: auth input: user=user18(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user19(a)domain1.example.org): Debug: auth input: user=user19(a)domain1.example.org proxy host=10.129.3.192 proxy_refresh=86400 20 / 94doveadm(user20(a)domain1.example.org): Debug: auth input: user=user20(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user21(a)domain1.example.org): Debug: auth input: user=user21(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user22(a)domain1.example.org): Debug: auth input: user=user22(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user02(a)domain2.example.org): Debug: auth input: user=user02(a)domain2.example.org proxy host=10.129.3.190 proxy_refresh=86400 doveadm(user23(a)domain1.example.org): Debug: auth input: user=user23(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user24(a)domain1.example.org): Debug: auth input: user=user24(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user01(a)domain3.example.org): Debug: auth input: user=user01(a)domain3.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user25(a)domain1.example.org): Debug: auth input: user=user25(a)domain1.example.org proxy host=10.129.3.192 proxy_refresh=86400 doveadm(user26(a)domain1.example.org): Debug: auth input: user=user26(a)domain1.example.org proxy host=10.129.3.191 proxy_refresh=86400 doveadm(user27(a)domain1.example.org): Debug: auth input: user=user27(a)domain1.example.org proxy host=10.129.3.190 proxy_refresh=86400 30 / 94doveadm(user28(a)domain1.example.org): Debug: auth input: user=user28(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user29(a)domain1.example.org): Debug: auth input: user=user29(a)domain1.example.org proxy host=10.129.3.191 proxy_refresh=86400 doveadm(user30(a)domain1.example.org): Debug: auth input: user=user30(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user31(a)domain1.example.org): Debug: auth input: user=user31(a)domain1.example.org proxy host=10.129.3.193 proxy_refresh=86400 doveadm(user31(a)domain1.example.org): Error: doveadm server failure doveadm: Error: Failed to iterate through some users ------------------------------------------------------------------------ The user "user31(a)domain1.example.org" is proxied to the correct backend host according to director status, but the dovecot.log on the doveadm service backend host shows the following error: Jun 29 15:40:31 10.129.3.249 dovecot: doveadm(user31(a)domain1.example.org): Error: user user31(a)domain1.example.org: Error reading configuration: net_connect_unix(/var/run/dovecot/config) failed: Permission denied Jun 29 15:40:31 10.129.3.249 dovecot: doveadm(user31(a)domain1.example.org): Error: purge: User lookup failed: Internal error occurred. Refer to server log for more information. The wiki http://wiki2.dovecot.org/Services#doveadm states that the privileges are (temporarily) dropped to the mail user's privileges after userdb lookup. It seems that from the second purge on which is passed over a single doveadm connection, the user lookup fails. It also seems a bit strange, that the "-A" parameter can be observed in the doveadm tcp stream to the backend, since iteration should be already done in the director and the backend should purge only a single user: D username(a)example.org purge -A Is there a bug or have I misconfigured/overlooked something? Configs of mailbox backend and director are attached. Kind regards Daniel

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[Dovecot] bug formatting results when using doveadm-server
by Angel L. Mateo 04 Oct '12

04 Oct '12

Hello, I have a infrastructure using director in front of backend servers. So I normally run doveadm commands in director servers, not the backends. The problem I have is when I try to concatenate commands like this: doveadm search -S /var/run/dovecot/auth-userdb -u ${user} SAVEDSINCE 5w | while read guid uid; do doveadm fetch -S /var/run/dovecot/auth-userdb -u ${user} size.physical mailbox-guid $guid uid $uid; done The problem is that although when I run doveadm search command in the backend server I correctly get the list of mails, each line with the mailbox-guid and the uid of the message, when I run the same command in the director server, format of the list is corrupted and there are lines that contains just the mailbox-guid and the next the uid (of the previous) and the mailbox-guid of next, and so on. Like: e62e0d3834ed094e5c7900007efb8a67 66 e62e0d3834ed094e5c7900007efb8a67 71 e62e0d3834ed094e5c7900007efb8a67 74 e62e0d3834ed094e5c7900007efb8a67 75 e62e0d3834ed094e5c7900007efb8a67 77 e62e0d3834ed094e5c7900007efb8a67 78 e62e0d3834ed094e5c7900007efb8a67 so I can't postprocess correctly the output. I think it could be a bug in the communication between the doveadm client and server. PS: As the time of writing this email, I have realized that I could use fetch command directly. But, anyway, I want to report the problem/bug so it can be fixed.

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[Dovecot] Syntax for doveadm auth cache
by Angel L. Mateo 03 Oct '12

03 Oct '12

Hello, What is the correct syntax of doveadm auth cache command? According to command line help: usage: doveadm [-Dv] [-f <formatter>] <command> [<args>] altmove [-u <user>|-A] [-S <socket_path>] [-r] <search query> auth [-a <auth socket path>] [-x <auth info>] <user> [<password>] auth cache but when I try to run doveadm auth cache, then I'm asked for a password, so I think the command is trying to authenticate cache user. Moreover... according to previous mails (thread http://www.dovecot.org/list/dovecot/2012-June/066691.html) there is a patch to remove a specific user entry from cache. This patch I think is included in dovecot 2.1.9 (which I'm running) and the syntax is (I think): doveadm auth cache flush <user> 4 cache entries flushed So I'm running this command. Whenever I run it, I get the message that 3 (sometimes, is 4) entries are removed, but user information isn't really reloaded and I doubt it is really removed from cache (I have the user in a passwd-file and information used by imap processes is still the old one, no the new one, changed before the flush) -- Angel L. Mateo Martínez Sección de Telemática Área de Tecnologías de la Información y las Comunicaciones Aplicadas (ATICA) http://www.um.es/atica Tfo: 868887590 Fax: 868888337

2 9

[Dovecot] segfault in Debian Squeeze + Dovecot 2.1.10
by Joe Auty 03 Oct '12

03 Oct '12

Hello, I'm seeing a lot of these in my /var/log/messages in Debian Squeeze, I suspect this might be causing performance issues. Any suggestions what I can try to fix this? > [7236671.301179] imap-login[9306]: segfault at 28 ip 00007f9ff83c7e14 > sp 00007fff49d385c0 error 4 in libdovecot.so.0.0.0[7f9ff837c000+8b000] I'm using the 2.1.10 packages obtained with the following in my sources.list: deb http://xi.rename-it.nl/debian/ stable-auto/dovecot-2.1 main I need to use Dovecot 2.1.x because I need to support handling multiple SSL certs.

7 25