July 2011 - dovecot - dovecot.org

[Dovecot] Dovecot 2.0.12 LMTP does not write +detail written to Delivered-To: header
by Michael George 16 Jul '11

16 Jul '11

Hi Timo and List, The Dovecot 2.0.10 changelog includes: * LMTP: For user+detail@domain deliveries, the +detail is again written to Delivered-To: header. I have recipient_delimiter = + set, lmtp_save_to_detail_mailbox=yes is working, however Dovecot 2.0.12 LMTP processes are not adding these headers to messages on delivery. Are there other settings that may potentially conflict with this feature?

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[Dovecot] ImapTest and QRESYNC testing
by Norman Maurer 15 Jul '11

15 Jul '11

Hi there, I'm currently working on adding QRESYNC support for james.apache.org/imap (which is a JAVA - based imapserver). For testing I'm currently using ImapTest but I'm currently not really sure it really reflect the RFC. Here are the "problems" I see: * It expect to have the UID param in the FETCH Response if QRESYNC was enabled (I was not able to spot the section were it is stated in the rfc) * EXPUNGE command seems to expect EXPUNGE Responses if QRESYNC was enabled, but from the RFC I think VANISHED is valid also. It even seems to fail when testing again dovecot.. So how much can I trust it when testing QRESYNC ? Thanks, Norman Ps: I'm not good a C at all, so its hard for me to provide patches ;)

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[Dovecot] mail delivery
by Amira Othman 15 Jul '11

15 Jul '11

I am using ISPConfig 3 ,postfix,dovecot and mysql the problem is that I receive mail on server but can't get it through outlook and when check using webmin I found that it reads form location different than what is written in dovecot Regards Amira Othman Server Administrator <http://www.cairosource.com/> www.cairosource.com 6 EL Nil EL Abyad, Mohandiseen Cairo, Egypt Direct: +2 02 3303 7175 Mobile: +2 012 220 4165 The information transmitted is intended solely for the individual or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of or taking action in reliance upon this information by persons or entities other than the intended recipient is prohibited. If you have received this email in error please contact the sender and delete the material from any computer.

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[Dovecot] Backup namespace
by qmail＠top-consulting.net 15 Jul '11

15 Jul '11

I use dovecot 1.2.16 and I use . (dot) as the hierarchy separator. My user structure is like so: username/Maildir/.Folder1 username/Maildir/.Folder1.Subfolder The Inbox is right under: username/Maildir/cur & username/Maildir/new My namespace definition for the regular mail is: namespace private { separator = . prefix = inbox = yes } In a separate directory, nfs mounted, I also hold full daily backups of each users entire Maildir. It has the following structure: /archive/username/.14.07.2011/.Folder1 /archive/username/.14.07.2011/.Folder1.Subfolder /archive/username/.15.07.2011/.Folder1 /archive/username/.15.07.2011/.Folder1.Subfolder What I'm trying to do is to make the Backups available to each user in their IMAP. I was thinking of symlinking like this: username/Maildir/Backups --> /archive/username/ Would that work ? What should my namespace look like for this situation ? Is there a better way to do this ?

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[Dovecot] authentication problems with pam_mkhomedir
by Defenestrate 15 Jul '11

15 Jul '11

Hi! I'm struggling with pam_mkhomedir. Accounts are stored in LDAP (CentOS Directory Server AKA 389 Directory Server). I am not pre-creating user home directories, and would like to use the pam_mkhomedir module to create the directories on the fly, when a user is authenticated via pop3s. pam_mkhomedir is working for interactive (e.g. SSH logins), but I don't want to require users to login interactively just so their home directory is created. Dovecot version: 1.0.7 dovecot -n output: protocols: pop3s >ssl_cert_file: /etc/pki/tls/certs/mail.ourdomain.tld.pem >ssl_key_file: /etc/pki/tls/private/mail.ourdomain.tld.pem >login_dir: /var/run/dovecot/login >login_executable: /usr/libexec/dovecot/pop3-login >mail_privileged_group: mail >mail_location: mbox:~/mail:INBOX=/var/spool/mail/%u >mail_executable: /usr/libexec/dovecot/pop3 >mail_plugin_dir: /usr/lib64/dovecot/pop3 >pop3_client_workarounds: oe-ns-eoh, outlook-no-nuls >auth default: > verbose: yes > debug: yes > passdb: > driver: pam > args: session=yes dovecot > userdb: > driver: ldap > args: /etc/dovecot-ldap.conf /etc/pam.d/dovecot: authsufficientpam_ldap.so >authrequiredpam_deny.so > > >accountsufficientpam_ldap.so >accountrequiredpam_deny.so > > >passwordsufficientpam_ldap.so use_authtok >password requiredpam_deny.so > > >sessionoptionalpam_ldap.so >sessionrequiredpam_mkhomedir.so skel=/etc/skel umask=0022 > >With the pam_mkhomedir.so line, I see the following in maillog: Jul 14 16:14:26 mail dovecot: auth(default): client in: AUTH 1 PLAIN service=POP3 secured lip=xxx.xxx.xxx.xxx rip=xxx.xxx.xxx.xxx resp=<hidden> Jul 14 16:14:26 mail dovecot: auth(default): client out: CONT 1 Jul 14 16:14:26 mail dovecot: auth(default): client in: CONT<hidden> Jul 14 16:14:26 mail dovecot: auth(default): pam(joe.schmoe,xxx.xxx.xxx.xxx): lookup service=dovecot Jul 14 16:14:26 mail dovecot: auth(default): new auth connection: pid=25209 Jul 14 16:14:26 mail dovecot: auth(default): pam(joe.schmoe,xxx.xxx.xxx.xxx): pam_open_session() failed: Permission denied Jul 14 16:14:28 mail dovecot: auth(default): client out: FAIL 1 user=joe.schmoe Jul 14 16:14:28 mail dovecot: auth(default): client in: AUTH 2 PLAIN service=POP3 secured lip=xxx.xxx.xxx.xxx rip=xxx.xxx.xxx.xxx resp=<hidden> With the pam_mkhomedir.so line commented out: Jul 14 16:15:27 mail dovecot: auth(default): client out: CONT 1 Jul 14 16:15:27 mail dovecot: auth(default): client in: CONT<hidden> Jul 14 16:15:27 mail dovecot: auth(default): pam(joe.schmoe,xxx.xxx.xxx.xxx): lookup service=dovecot Jul 14 16:15:27 mail dovecot: auth(default): client out: OK 1 user=joe.schmoe Jul 14 16:15:27 mail dovecot: auth(default): master in: REQUEST 1 25286 1 Jul 14 16:15:27 mail dovecot: auth(default): ldap(joe.schmoe,xxx.xxx.xxx.xxx): user search: base=ou=People, dc=ourdomain, dc=tld scope=subtree filter=(&(objectClass=posixAccount)(uid=joe.schmoe)) fields=homeDirectory,uidNumber,gidNumber Jul 14 16:15:27 mail dovecot: auth(default): master out: USER 1 joe.schmoe home=/home/joe.schmoe uid=1057 gid=1000 Jul 14 16:15:27 mail dovecot: POP3(joe.schmoe): mkdir_parents(/home/joe.schmoe/mail) failed: Permission denied Jul 14 16:15:27 mail dovecot: POP3(joe.schmoe): Failed to create storage with data: mbox:/home/joe.schmoe/mail:INBOX=/var/spool/mail/joe.schmoe Jul 14 16:15:27 mail dovecot: child 25292 (pop3) returned error 89 Jul 14 16:15:27 mail dovecot: pop3-login: Login: user=<joe.schmoe>, method=PLAIN, rip=xxx.xxx.xxx.xxx, lip=xxx.xxx.xxx.xxx, TLS Jul 14 16:19:05 mail dovecot: auth(default): client in: AUTH 1 PLAIN service=POP3 secured lip=xxx.xxx.xxx.xxx rip=xxx.xxx.xxx.xxx resp=<hidden> Any Suggestions? Thank you!

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[Dovecot] Process parameters tuning
by Angel L. Mateo 14 Jul '11

14 Jul '11

Hi, I'm having problems with director and lmtp for delivering messages to my dovecot farm. Also I have a warning like this: doveconf: Warning: service auth { client_limit=4096 } is lower than required under max. load (5048) doveconf: Warning: service anvil { client_limit=1000 } is lower than required under max. load (2003) So I'm trying to tune processes parameters, but I haven't found a complete description of these parameters. All I've found are examples. Questions are about client_limit, service_count, process_limit and process_min_avail. I think that process_limit and process_min_avail are the maximum of running processes for a service and the minimuf of idle process, respectively. But I don't completely understand what exactly are client_limit and service_count, Service_count means how many times a process is reused. If you configure it as 1 means that every time a process ends its connections, it dies. If you configure as 0, when the connections ends, then the process remains idle waiting for new connections. Isn't it? But what does client_limit means? The number of clients that a process can handle? Then number that can handle concurrently? Can a process handle more than one client concurrently? The documentation at http://wiki2.dovecot.org/LoginProcess simply says: * Otherwise new processes are created only once an existing one's connection count reaches client_limit * Default client_limit * process_limit = 1000*100 = 100k connections Does this mean that a process handle a maximun of client_limit connections concurrently? -- Angel L. Mateo Martínez Sección de Telemática Área de Tecnologías de la Información _o) y las Comunicaciones Aplicadas (ATICA) / \\ http://www.um.es/atica _(___V Tfo: 868887590 Fax: 868888337

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[Dovecot] IMAP access based on username & IP
by Andrei Dumitrescu 14 Jul '11

14 Jul '11

Hello, I have all the users and passwords in separate files like in the configuration below. I want that a specific user (ex: joe(a)domain.con) to be able to read mails using imaps only from a specific IP. All the other users should be able to read email from any IP. How can I do that? Thank you Imap version: #dovecot --version 1.2.12 dovecot.conf: # 1.2.12: /etc/dovecot/dovecot.conf # OS: Linux 2.6.35-28-server x86_64 Ubuntu 10.10 ext4 base_dir: /var/run/dovecot/ log_path: /var/log/dovecot.log info_log_path: /var/log/dovecot.info ssl_cert_file: /etc/ssl/certs/dovecot1.crt ssl_key_file: /etc/ssl/private/dovecot1.key ssl_cipher_list: ALL:!LOW:!SSLv2 disable_plaintext_auth: no login_dir: /var/run/dovecot/login login_executable: /usr/lib/dovecot/imap-login login_greeting: IMAP ready. login_processes_count: 7 login_max_processes_count: 84 verbose_proctitle: yes first_valid_uid: 1000 first_valid_gid: 1000 mail_privileged_group: mail mail_location: maildir:/var/spool/vmail/%d/%n fsync_disable: yes mbox_write_locks: fcntl dotlock imap_client_workarounds: delay-newmail netscape-eoh tb-extra-mailbox-sep lda: postmaster_address: postmaster(a)example.com sendmail_path: /usr/sbin/sendmail auth default: mechanisms: plain login user: mail username_format: %Lu passdb: driver: pam args: session=yes dovecot passdb: driver: passwd-file args: /etc/dovecot/dovecot_passwd userdb: driver: passwd args: blocking=yes userdb: driver: passwd-file args: /etc/dovecot/dovecot_users socket: type: listen client: path: /var/spool/postfix/private/auth mode: 432 user: postfix group: postfix master: path: /var/run/dovecot/auth-master mode: 384

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[Dovecot] Director lmtp timeout errors
by Angel L. Mateo 13 Jul '11

13 Jul '11

Hello, I have configured two dovecot servers with director acting as lmtp/imap/pop proxy server with 8 dovecot backend servers. In our test environment we had no problem, but when we migrated to production environment, our mail list server (it delivers mail through lmtp) is having a lot of errors like this: 451 4.4.0 Remote server not answering (DATA output timeout) (in reply to end of DATA command)) I have found this same issue in some posts to this list, but I can't find any solution Any idea? -- Angel L. Mateo Martínez Sección de Telemática Área de Tecnologías de la Información _o) y las Comunicaciones Aplicadas (ATICA) / \\ http://www.um.es/atica _(___V Tfo: 868887590 Fax: 868888337

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[Dovecot] Dovecot 2.0.13 and removing IMAP folders in thunderbird
by Christian Roessner 13 Jul '11

13 Jul '11

Hi, I use Dovecot-2.0.13 with mdbox and Thunderbird (IMAP). I have dozens of imap folders and sometimes I wish to delete several folders: First Problem: If I remove a folder under TB, it get moved to my Trash folder. After that I close TB, which also purges the trash. When I come back, the deleted folder and its content is still there. There is no way to remove it with TB. On the server side I see that the folder is listed under mailboxes/Trash and in the subscriptions file, a last line shows that Trash/foldername is subscribed. If I remove that line and the mailboxes-folder, then TB is happy again. Second problem: If I have two folders a and b, both containing a folder example: a/example b/example I only can delete one folder. By deleting the second one, the IMAP server tells me that there already exists on folder named example. I am not sure, if this is thunderbird or dovecot related, but both problems are really annoying. Am I missing some configuration? Thunderbird is Ubuntu's packaged version 3.1.10. Thanks for any ideas and help in advance and don't get me wrong: I really love dovecot ;-) Best wishes Christian -- Roessner-Network-Solutions Bachelor of Science Informatik 50°34.725'N, 08°40.904'O, Nahrungsberg 81, 35390 Giessen F: +49 641 5879091, M: +49 176 93118939 USt-IdNr.: DE225643613 http://www.roessner-network-solutions.com

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[Dovecot] How to turn off "plus" delivery
by gene 13 Jul '11

13 Jul '11

I use a lot of plus-style addresses (me+stuff(a)example.com) except I use underscore as the separator rather than plus (me_stuff(a)example.com) My mail logs are full of messages where dovecot looks for a mailbox named "stuff", fails, then delivers to my inbox. Is there a way to turn that off so that dovecot automatically delivers to my inbox? Thanks! Here are the details: > dovecot --version 1.2.15 > dovecot -n # 1.2.15: /etc/dovecot/dovecot.conf # OS: Linux 2.6.38-8-server x86_64 Ubuntu 11.04 info_log_path: /dev/null log_timestamp: %Y-%m-%d %H:%M:%S ssl_cert_file: /etc/ssl/server.crt ssl_key_file: /etc/ssl/server.key ssl_cipher_list: ALL:!LOW:!SSLv2:ALL:!aNULL:!ADH:!eNULL:!EXP:RC4+RSA:+HIGH:+MEDIUM login_dir: /var/run/dovecot/login login_executable: /usr/lib/dovecot/imap-login mail_privileged_group: mail mail_location: maildir:~/Maildir mbox_write_locks: fcntl dotlock imap_client_workarounds: outlook-idle delay-newmail lda: postmaster_address: postmaster(a)xxxxxxxxx.com postmaster_address: postmaster(a)xxxxxxxxx.com mail_plugins: sieve quota_full_tempfail: yes deliver_log_format: msgid=%m: %$ rejection_reason: Your message to <%t> was automatically rejected:%n%r postmaster_address: postmaster(a)xxxxxxxxx.com mail_plugins: sieve quota_full_tempfail: yes deliver_log_format: msgid=%m: %$ rejection_reason: Your message to <%t> was automatically rejected:%n%r auth default: mechanisms: plain login passdb: driver: pam userdb: driver: passwd socket: type: listen client: path: /var/spool/postfix/private/dovecot-auth mode: 432 user: postfix group: postfix plugin: sieve: ~/.dovecot.sieve sieve_dir: ~/sieve sieve: ~/.dovecot.sieve sieve_dir: ~/sieve > cat ~/.dovecot.sieve require ["regex","fileinto"]; if header :regex ["X-Bogosity"] ["^ *Spam,"] { fileinto "caughtspam"; stop; } # excerpt from mail.log: postfix/pipe[32255]: BE4FCE24069: to=<gene_att(a)xxxxxxxxxx.com>, relay=bogo_filter, delay=1.2, delays=0.13/0.01/0/1.1, dsn=2.0.0, status=sent (delivered via bogo_filter service) postfix/qmgr[28916]: BE4FCE24069: removed postfix/cleanup[32254]: DBA1EE2406E: message-id=<1310331364610.sdc.29057010.18396.155116668(a)connect2.wireless.att-mail.com> postfix/qmgr[28916]: DBA1EE2406E: from=<sdc.29057010.18396.155116668(a)connect2.wireless.att-mail.com>, size=7859, nrcpt=1 (queue active) dovecot: deliver(gene): sieve: msgid=<1310331364610.sdc.29057010.18396.155116668(a)connect2.wireless.att-mail.com>: failed to store into mailbox 'att': Mailbox doesn't exist: att dovecot: deliver(gene): sieve: script /home/gene/.dovecot.sieve failed with unsuccessful implicit keep dovecot: deliver(gene): msgid=<1310331364610.sdc.29057010.18396.155116668(a)connect2.wireless.att-mail.com>: save failed to att: Mailbox doesn't exist: att dovecot: deliver(gene): msgid=<1310331364610.sdc.29057010.18396.155116668(a)connect2.wireless.att-mail.com>: saved mail to INBOX postfix/local[32261]: DBA1EE2406E: to=<gene_att(a)xxxxxxxxxx.com>, relay=local, delay=0.05, delays=0.01/0.01/0/0.03, dsn=2.0.0, status=sent (delivered to command: /usr/lib/dovecot/deliver -c /etc/dovecot/conf.d/01-dovecot-postfix.conf -n -m "${EXTENSION}") postfix/qmgr[28916]: DBA1EE2406E: removed

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