- dovecot - dovecot.org

[Dovecot] Vanishing maildirsize files with 1.0.7 using 'deliver' via postfix
by Jason Forester 28 May '08

28 May '08

Aloha, I've searched the list and have found no similar reports, so I'm asking here. We have 3 RH5.1 boxes running the stock Postfix 2.3.3, but due to issues with the stock Dovecot 1.0rc15, Redhat supplied us with the version of Dovecot 1.0.7 that will be in Redhat 5.2. The mail store is automounted per-user from a Sun box via NFS. We were using it with no problems until last Friday, when we attempted to implement quotas. I had done quite a lot of testing on a single system, so I didn't anticipate any issues here. I created maildirsize files for each user in the NFS-mounted /var/spool/mail/$USER and everything seemed fine. I changed mailbox_command to /usr/libexec/dovecot/deliver in postfix main.cf. Mail was delivered, quota files updated, all good. However almost immediately a maildirsize folder vanished. Soon after another, then another, and now we're missing nearly 40 of them. Any ideas as to why they're vanishing? Something to do with NFS? I've tried to trigger it by massively sending to the same user on all three systems but have yet to reproduce it at will. Any clues would be appreciated. For reasons of support I cannot upgrade to a later dovecot at this time. Best Regards, - jason

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[Dovecot] Dovecot quota for mailadministrator
by Markus Hofer 27 May '08

27 May '08

Hallo, i have a question for the quota with dovecot. I plan to go from our cyrus installation to dovecot. I have just install dovecot without problem with mysqldb and quota per user. Quota work well and the user receive always via Webmail or client the quota information. My question is: With cyrus the mailadministrator has the possibility to see the quota for all users with the command "quota". Output or example: 300000 9 28305 user.tinfo With that way the administrator could have always a look if some users have quota problems. My question is, if dovecot has some similar command for the administrator? Thanks in advance. Markus

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[Dovecot] Problem with checkpassword-reply
by sawyer x 27 May '08

27 May '08

Hello I posted an earlier post on problems with getting usernames. That one is solved, thank you. I'm currently having trouble executing checkpassword-reply. The maillog shows the following error: (substituting rip/lip/user/domain) May 27 07:21:06 saw dovecot: Logins with UID 0 not permitted (user user(a)domain.com> May 27 07:21:06 saw dovecot: imap-login: Internal login failure: user=<user(a)domain.com>, method=plain, rip=xxx.xxx.xxx.xxx, lip=xxx.xxx.xxx.xxx, TLS My script reads fd3 right and gets all the details correct. Then runs the following code: --- $REPLY = $ARGV[0] || exit 111; # this is actually run much earlier $ENV{HOME} = "$USERSHOME/$domain/$user"; $ENV{USER} = $user; # effective gid $) = 300; # effective uid $> = 300; exec $REPLY; --- I've looked at the checkpassword-reply code (thank god for open source software) and I saw that it opens fd4 for writing. I couldn't find any documentation about this and couldn't find anyone who is using checkpassword-reply. No sample scripts, no examples, and the documentation on the site is extremely scarce. The wiki docs indicate I should just execute it - which I do - but that does not help. Also, the debugging isn't very meaningful. I'm definitely changing the UID and GID, but it's not apparent in the maillog. The fie permissions on checkpassword-reply show I could execute it under any user and I've tried that with "sudo -u <user> /path/to/checkpassword-reply. On a post somewhere in the vortex of the internet someone said Dovecot does not allow any uid/gid under 99 (which is why I tried 300), but I couldn't find any documentation for that anywhere in the wiki either. What am I missing and is there anything I've missed that would have prevented me from emailing the mailing list with this long email? Thanks, Sawyer.

1 0

[Dovecot] Asking for password
by Aziz KNINA 27 May '08

27 May '08

Hi, I'm a new user of Dovecot. I have installed it in a server in combination of Postfix. I have created a system user and given him a password, this is a final user. when I try to add the account in my mail client (outlook), I get the window of authentication asking for password, even if I enter the correct password, this window does not disappear. below my configuration. dovecot --version: 1.0.13 dovecot -n: # 1.0.13: /usr/local/etc/dovecot.conf base_dir: /var/run/dovecot/ protocols: imap pop3 ssl_disable: yes disable_plaintext_auth: no login_dir: /var/run/dovecot/login login_executable(default): /usr/local/libexec/dovecot/imap-login login_executable(imap): /usr/local/libexec/dovecot/imap-login login_executable(pop3): /usr/local/libexec/dovecot/pop3-login mail_privileged_group: mail mail_location: INBOX=/var/spool/mail/$u mail_executable(default): /usr/local/libexec/dovecot/imap mail_executable(imap): /usr/local/libexec/dovecot/imap mail_executable(pop3): /usr/local/libexec/dovecot/pop3 mail_plugin_dir(default): /usr/local/lib/dovecot/imap mail_plugin_dir(imap): /usr/local/lib/dovecot/imap mail_plugin_dir(pop3): /usr/local/lib/dovecot/pop3 pop3_uidl_format(default): pop3_uidl_format(imap): pop3_uidl_format(pop3): %m auth default: passdb: driver: pam userdb: driver: passwd can someone help me with this? thank you at advance. -- RG Aziz KNINA

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[Dovecot] mbox From escaping implementation ?
by Nicolas KOWALSKI 27 May '08

27 May '08

Hello, I read in the wiki (http://wiki.dovecot.org/MailboxFormat/mbox) about "From Escaping": "Dovecot doesn't currently do this escaping however. Instead it prevents this confusion by adding Content-Length headers so it knows later where the next message begins. Dovecot doesn't either remove the '>' characters before sending the data to clients. Both of these will probably be implemented later." As I understand it, this makes the mbox format of dovecot slightly incompatible with other mbox-capable clients, because if they read the data files directly, they may understand a line starting with an unescaped 'From ' as the start of a new message. Right ? Are there any plans to implement this escaping in the future (1.1.x or 2.0.x?) Thanks, -- Nicolas

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[Dovecot] Sieve plugin changes 'To' header on redirect
by Patrick Nagel 27 May '08

27 May '08

Hi, I'm a bit confused by the fact that the 'To' header is being modified by sieve when a message is being redirected. RFC3028 states in chapter 4.3: > The "redirect" action is used to send the message to another user at > a supplied address, as a mail forwarding feature does. The > "redirect" action makes no changes to the message body or existing > headers, but it may add new headers. The "redirect" modifies the > envelope recipient. (see http://www.ietf.org/rfc/rfc3028.txt) The situation here is as follows: I'm sending a mail to "city(a)company.net" (To: ...), which is being delivered to "city(a)city.company.net" (Delivered-To: ...). User city has the following sieve script: redirect "other(a)company.net"; keep; One would expect, that the 'To:' header is identical in both mails, but instead I get something like this: Mail in 'city' mailbox: > Delivered-To: city(a)city.company.net > To: city(a)company.net > Subject: test mail (Redirected) Mail in 'other' mailbox: > Delivered-To: other(a)city.company.net > To: city(a)city.company.net > Subject: test mail It seems as if sieve uses the 'Delivered-To' header as the 'To' header in the redirected mail - which is not what I need. Am I misunderstanding something here, or does dovecot's sieve plugin not act according to the RFC? Patrick. -- STAR Software (Shanghai) Co., Ltd. http://www.star-group.net/ Phone: +86 (21) 5427 7799 x 826 Fax: +86 (21) 6485 0071 PGP key: https://stshacom1.star-china.net/keys/patrick_nagel.asc Fingerprint: E09A D65E 855F B334 E5C3 5386 EF23 20FC E883 A005

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[Dovecot] Problem of using dovecot as sasl implement for postfix
by sosogh 27 May '08

27 May '08

Hi list I install postfix dovecot on my debian etch box I install them via apt-get I want to use dovecot to be postfix sasl implement,but i got the following error message in the mail log: Apr 27 21:28:39 sosogh postfix/smtpd[19776]: warning: SASL: Connect to private/auth failed: No such file or directory Apr 27 21:28:39 sosogh postfix/smtpd[19776]: fatal: no SASL authentication mechanisms Apr 27 21:28:40 sosogh postfix/master[19765]: warning: process /usr/lib/postfix/smtpd pid 19776 exit status 1 my configuration: postfix: Mail:/etc/dovecot# more /etc/postfix/main.cf smtpd_sasl_auth_enable = yes broken_sasl_auth_clients = yes smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth Mail:/etc/dovecot# postconf | grep mail_version mail_version = 2.3.8 Mail:/etc/dovecot# postconf | grep -i mail_owner mail_owner = postfix Mail:/etc/dovecot# ls -al /var/spool/postfix/private/ total 8 drwx------ 2 postfix root 4096 2008-04-27 22:11 . drwxr-xr-x 19 root root 4096 2008-01-20 23:12 .. srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 anvil srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 bounce srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 bsmtp srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 defer srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 discard srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 dspam srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 error srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 ifmail srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 lmtp srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 local srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 maildrop srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 mailman srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 policy srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 proxymap srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 relay srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 rewrite srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 scache srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 scalemail-backend srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 smtp srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 tlsmgr srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 trace srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 uucp srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 verify srw-rw-rw- 1 postfix postfix 0 2008-04-27 22:11 virtual dovecot: Mail:/etc/dovecot# dovecot --version 1.0.rc15 Mail:/etc/dovecot# dovecot -n # /etc/dovecot/dovecot.conf log_path: /var/log/dovecot.log protocols: imap imaps pop3 pop3s disable_plaintext_auth: no login_dir: /var/run/dovecot/login login_executable(default): /usr/lib/dovecot/imap-login login_executable(imap): /usr/lib/dovecot/imap-login login_executable(pop3): /usr/lib/dovecot/pop3-login mail_executable(default): /usr/lib/dovecot/imap mail_executable(imap): /usr/lib/dovecot/imap mail_executable(pop3): /usr/lib/dovecot/pop3 mail_plugin_dir(default): /usr/lib/dovecot/modules/imap mail_plugin_dir(imap): /usr/lib/dovecot/modules/imap mail_plugin_dir(pop3): /usr/lib/dovecot/modules/pop3 auth default: mechanisms: plain login verbose: yes debug: yes passdb: driver: sql args: /etc/dovecot/dovecot-sql.conf socket: type: listen client: path: /var/spool/postfix/private/auth mode: 432 user: postfix group: postfix master: Mail:/etc/dovecot# more dovecot.conf protocols = imap imaps pop3 pop3s auth_debug = yes auth_verbose = yes log_path = /var/log/dovecot.log disable_plaintext_auth = no auth default { mechanisms = plain login user = postfix passdb sql { args = /etc/dovecot/dovecot-sql.conf } user = root socket listen { client { path = /var/spool/postfix/private/auth mode = 0660 user = postfix group = postfix } } } I wonder why private/auth does not exsit THANK YOU！ BEST RGDS! ****************** sosogh(a)126.com 2008-05-26 *******************

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[Dovecot] Bug: subscriptions file does not take on the same perms as dovecot-shared
by Damon Atkins 27 May '08

27 May '08

All, Version: 1.1.rc5 Solaris x86 on ZFS Shared Folder Bug, renamed a folder with sub folders (Maildir format) After the rename the subscriptions file is own by the person who renamed the folders, and access is owner rw only. Instead it should be the same as dovecot-shared which would general be rw owner, and rw group for a shared folder. Cheers Damon.

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[Dovecot] Multiple files for sieve
by Adrián Ribao Martínez 27 May '08

27 May '08

Hello, I have this line in the plugins configuration section : sieve = /etc/dovecot/sieve Where: /etc/dovecot/sieve: require "fileinto" if header :contains "Subject" "****SPAM****"{ fileinto "spam"; } I want this filter for all the users of the system, but I also want to tell dovecot to look in the /home/user/mail/.sieve file for custom per-user filters. Can I do this? Thank you. -- Adrián Ribao Martínez

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[Dovecot] Dovecot crash in 1.0.9
by Peter Eriksson 26 May '08

26 May '08

I've been having a problem with a crashing Dovecot the last couple of months where it crashes after a couple of weeks of uptime. Been a bit difficult to diagnose. Anyway, we're now running 1.0.9 on a Sun Fire T1000 running Solaris 10. Any good ideas on how to pin-point the problem? - Peter Here's the output from syslog when the last crash happened: May 14 11:46:50 ifm.liu.se dovecot: [ID 107833 mail.info] imap-login: Login: user=<hidta>, method=PLAIN, rip=130.236.160.20, lip=13 0.236.160.6, secured May 14 11:46:50 ifm.liu.se dovecot: [ID 107833 mail.info] auth(default): new auth connection: pid=4054 May 14 11:46:51 ifm.liu.se dovecot: [ID 107833 mail.error] IMAP(joher): file maildir-uidlist.c: line 143: assertion failed: (UIDLIS T_IS_LOCKED(uidlist)) May 14 11:46:51 ifm.liu.se dovecot: [ID 107833 mail.error] IMAP(joher): Raw backtrace: 0x100082768 -> 0x1000298ec -> 0x100027e70 -> 0x100028fa8 -> 0x1000294a8 -> 0x10002057c -> 0x100014824 -> 0x100016cb4 -> 0x1000170d4 -> 0x10008a458 -> 0x100089938 -> 0x100022ad 8 -> 0x10000fe7c May 14 11:46:51 ifm.liu.se dovecot: [ID 684838 mail.error] child 3677 (imap) killed with signal 6 May 14 11:46:51 ifm.liu.se dovecot: [ID 107833 mail.warning] IMAP(hidta): Killed with signal 15 May 14 11:46:51 ifm.liu.se dovecot: [ID 107833 mail.warning] IMAP(peber): Killed with signal 15 ... May 14 11:46:51 ifm.liu.se dovecot: [ID 107833 mail.info] IMAP(yohell): Server shutting down May 14 11:46:51 ifm.liu.se dovecot: [ID 107833 mail.warning] imap-login: Killed with signal 15 May 14 11:46:51 ifm.liu.se dovecot: [ID 107833 mail.warning] auth(default): Killed with signal 15 May 14 11:46:51 ifm.liu.se dovecot[7743]: [ID 711832 mail.warning] I/O leak: 10000a578 (268) May 14 11:46:51 ifm.liu.se dovecot[7743]: [ID 711832 mail.warning] I/O leak: 10000a578 (275) May 14 11:46:51 ifm.liu.se dovecot[7743]: [ID 711832 mail.warning] I/O leak: 10000a578 (261) May 14 11:46:51 ifm.liu.se dovecot[7743]: [ID 711832 mail.warning] I/O leak: 10000a578 (256) May 14 11:46:51 ifm.liu.se dovecot[7743]: [ID 711832 mail.warning] I/O leak: 10000a578 (197) May 14 11:46:51 ifm.liu.se dovecot[7743]: [ID 711832 mail.warning] I/O leak: 10000a578 (254)

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[Dovecot] 1.1rc5 Panic: mailbox-tree.c: line 171 (mailbox_tree_iterate_set_next_node)
by Jeffrey Rice 25 May '08

25 May '08

Hi, I do hope this hasn't been covered. I googled and looked in the archives but didn't see anything related, so hopefully I am not covering old ground. I recently upgraded from 1.0.10 to 1.1rc5. I am seeing this error from clients: May 25 11:01:54 finity dovecot: Panic: IMAP(xxx(a)here.org): file mailbox-tree.c: line 171 (mailbox_tree_iterate_set_next_node): assertion failed: (len <= ctx->parent_pos) May 25 10:21:19 finity dovecot: IMAP(xxx(a)here.org): Raw backtrace: imap [0x80ced44] -> imap [0x80ce99a] -> imap [0x80a0c63] -> imap(maildir_list_iter_next+0x33) [0x806ba53] -> imap [0x805c49b] -> imap(cmd_list_full+0x4b2) [0x805d1d2] -> imap(cmd_lsub+0x1a) [0x805d55a] -> imap [0x805f83c] -> imap [0x805f8e5] -> imap [0x80600c5] -> imap(client_input+0x5e) [0x80602ce] -> imap(io_loop_handler_run+0x110) [0x80d6ad0] -> imap(io_loop_run+0x28) [0x80d5d28] -> imap(main+0x4a1) [0x8067e71] -> /lib/libc.so.6(__libc_start_main+0xe0) [0xb7de6450] -> imap [0x8059d61] ## In my old install, I did have mail_extra_groups = vmail I commented that out and put in: mail_access_groups = vmail mail_privileged_group = vmail The documentation on these parameters is a bit light, so I'm not sure which (or both) to use. Can someone clarify? All the maildirs are owned by group vmail. ### dovecot -n # 1.1.rc5: /etc/dovecot/dovecot.conf ssl_cert_file: /etc/dovecot/ssl/certs/dovecot_cert.pem ssl_key_file: /etc/dovecot/ssl/private/dovecot_key.pem ssl_cipher_list: ALL:!LOW login_dir: /usr/local/var/run/dovecot/login login_executable: /usr/local/libexec/dovecot/imap-login login_greeting: IMAP ready. login_process_per_connection: no login_processes_count: 1 mail_access_groups: vmail mail_location: maildir:/home/vmail/%u maildir_copy_preserve_filename: yes mail_process_size: 70 auth default: mechanisms: plain cram-md5 login passdb: driver: sql args: /etc/dovecot/dovecot-mysql.cnf userdb: driver: passwd userdb: driver: static args: uid=5000 gid=5000 home=/home/vmail/%u/home socket: type: listen client: path: /var/spool/postfix/private/dovecot-auth-client mode: 432 user: postfix group: postfix

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[Dovecot] Sort output of dovecot -n alphabetically?
by Charles Marcus 25 May '08

25 May '08

Is there a way? Postfix does this by default, and it makes it much less likely to miss/overlook a setting... If there is no way, any chance to modify it so that it does? Thanks for dovecot! Really looking forward to 1.1 release! -- Best regards, Charles

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[Dovecot] dovecot developer documentation
by Piotr Wadas 25 May '08

25 May '08

Hello, I want to create some specific plugin for dovecot v1.1 (rc5). Where can I find some developer documentation ? Can I build my plugin separately, or do I need to rebuild dovecot again ? I'm looking into code, and analyzing some simple plugins, but hooks documentation or any hints you could give would be very helpful.. AFAIK there's no search for mailing list archives available, to let me search for some older guidance in this case :( Regards, Piotr

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[Dovecot] singe system user for all virtual users
by Wojtek Bogusz 25 May '08

25 May '08

hi, i would like to have all the emails stored under one system user and system group. i keep user passwords in LDAP. for userdb i wanted to use static. but i keep getting this error: Error: Error in configuration file /usr/local/etc/dovecot.conf line 909: Unknown setting: userdb Fatal: Invalid configuration in /usr/local/etc/dovecot.conf i am using version 1.0.13 my /usr/local/etc/dovecot.conf without comments is: base_dir = /var/run/dovecot/ protocols = imaps imap listen = * disable_plaintext_auth = no shutdown_clients = yes log_timestamp = "%Y-%m-%d %H:%M:%S " ssl_disable = no ssl_cert_file = /etc/apache2/ssl/server.pem ssl_key_file = /etc/apache2/ssl/server.key mail_location = maildir:/home/MAIL/%n mail_privileged_group = mail protocol imap { login_greeting_capability = yes imap_client_workarounds = tb-extra-mailbox-sep } protocol lda { postmaster_address = postmaster(a)frontlinedefenders.org hostname = base auth_socket_path = /var/run/dovecot/auth-master } auth_verbose = yes auth_debug = yes auth_debug_passwords = yes auth default { mechanisms = plain passdb ldap { args = /etc/dovecot/dovecot-ldap.conf } userdb static { args = uid=mail gid=mail home=/home/MAIL/%n } auth_userdb = user = mail socket listen { master { path = /var/run/dovecot/auth-master mode = 0600 user = mail # User running Dovecot LDA group = mail # Or alternatively mode 0660 + LDA user in this group } } } dict { } plugin { } what do i do wrong? best regards, Wojtek

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[Dovecot] Error while set mailQuota=0 with mbox and LDAP backend
by Zhang Huangbin 25 May '08

25 May '08

Hi, all. I have OpenLDAP(+qmail.schema), Dovecot, Postfix installed on RHEL 5.1 (x86_64), and they works fine with mbox format. The problem is if i set 'mailQuota=0' in LDAP, postfix can't send mail to recipient user. But it works fine with 'mailQuota != 0', such as '10240'(10M). What's wrong with my mail server setting? How can i solved this issue? Thanks very much. Bellow is the mail log from /var/log/maillog: ---------------- /var/log/maillog ------------- # mail -s "h" postmaster(a)a.cn < /etc/hosts && tail -0f /var/log/maillog May 23 20:29:35 rh6 postfix/pickup[1608]: 8E8B884949: uid=0 from=<root> May 23 20:29:35 rh6 postfix/cleanup[1896]: 8E8B884949: message-id=<20080524002935.8E8B884949(a)rh6.bibby.org> May 23 20:29:35 rh6 postfix/qmgr[1616]: 8E8B884949: from=<root(a)rh6.bibby.org>, size=467, nrcpt=1 (queue active) May 24 00:29:35 rh6 postfix/smtpd[1901]: connect from localhost.localdomain[127.0.0.1] May 24 00:29:35 rh6 postfix/smtpd[1901]: CFE838494A: client=localhost.localdomain[127.0.0.1] May 23 20:29:35 rh6 postfix/cleanup[1896]: CFE838494A: message-id=<20080524002935.8E8B884949(a)rh6.bibby.org> May 23 20:29:35 rh6 postfix/qmgr[1616]: CFE838494A: from=<root(a)rh6.bibby.org>, size=1076, nrcpt=1 (queue active) May 24 00:29:35 rh6 postfix/smtpd[1901]: disconnect from localhost.localdomain[127.0.0.1] May 24 00:29:35 rh6 postfix/smtp[1898]: 8E8B884949: to=<postmaster(a)a.cn>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.35, delays=0.07/0/0.01/0.27, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as CFE838494A) May 23 20:29:35 rh6 postfix/qmgr[1616]: 8E8B884949: removed May 23 20:29:35 rh6 postfix/pickup[1608]: E47BA84949: uid=2000 from=<> May 23 20:29:35 rh6 postfix/cleanup[1896]: E47BA84949: message-id=<dovecot-1211588975-866451-0(a)rh6.bibby.org> May 23 20:29:35 rh6 postfix/qmgr[1616]: E47BA84949: from=<>, size=2085, nrcpt=1 (queue active) May 23 20:29:35 rh6 postfix/pipe[1902]: CFE838494A: to=<postmaster(a)a.cn>, relay=dovecot, delay=0.12, delays=0.01/0/0/0.11, dsn=2.0.0, status=sent (delivered via dovecot service) May 23 20:29:35 rh6 postfix/qmgr[1616]: CFE838494A: removed May 24 00:29:36 rh6 postfix/smtpd[1901]: connect from localhost.localdomain[127.0.0.1] May 24 00:29:36 rh6 postfix/smtpd[1901]: 390468494F: client=localhost.localdomain[127.0.0.1] May 23 20:29:36 rh6 postfix/cleanup[1896]: 390468494F: message-id=<dovecot-1211588975-866451-0(a)rh6.bibby.org> May 23 20:29:36 rh6 postfix/qmgr[1616]: 390468494F: from=<>, size=2522, nrcpt=1 (queue active) May 24 00:29:36 rh6 postfix/smtpd[1901]: disconnect from localhost.localdomain[127.0.0.1] May 24 00:29:36 rh6 postfix/smtp[1898]: E47BA84949: to=<root(a)rh6.bibby.org>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.34, delays=0.02/0/0.01/0.31, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 390468494F) May 23 20:29:36 rh6 postfix/qmgr[1616]: E47BA84949: removed May 23 20:29:36 rh6 postfix/local[1951]: 390468494F: to=<root(a)rh6.bibby.org>, relay=local, delay=0.04, delays=0.01/0/0/0.03, dsn=4.3.0, status=deferred (temporary failure. Command output: Can't open log file /var/log/sieve.log: Permission denied ) ------------ End maillog --------------- Bellow is my dovecot setting(dovecot -n): ----------- dovecot -n -------------- # 1.0.13: /etc/dovecot.conf log_path: /var/log/dovecot.log protocols: pop3 pop3s imap imaps ssl_cert_file: /etc/pki/dovecot/certs/dovecotCert.pem ssl_key_file: /etc/pki/dovecot/private/dovecotKey.pem login_dir: /var/run/dovecot/login login_executable(default): /usr/libexec/dovecot/imap-login login_executable(imap): /usr/libexec/dovecot/imap-login login_executable(pop3): /usr/libexec/dovecot/pop3-login mail_location: mbox:/%Lh/%Ld/%Ln:INBOX=/%Lh/%Ld/%Ln/inbox:INDEX=MEMORY mbox_write_locks: dotlock fcntl mbox_min_index_size: 10240 mbox_very_dirty_syncs: yes mail_executable(default): /usr/libexec/dovecot/imap mail_executable(imap): /usr/libexec/dovecot/imap mail_executable(pop3): /usr/libexec/dovecot/pop3 mail_plugins(default): quota imap_quota mail_plugins(imap): quota imap_quota mail_plugins(pop3): quota mail_plugin_dir(default): /usr/lib64/dovecot/imap mail_plugin_dir(imap): /usr/lib64/dovecot/imap mail_plugin_dir(pop3): /usr/lib64/dovecot/pop3 pop3_client_workarounds(default): pop3_client_workarounds(imap): pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh auth default: mechanisms: plain login user: vmail passdb: driver: ldap args: /etc/dovecot-ldap.conf userdb: driver: ldap args: /etc/dovecot-ldap.conf socket: type: listen client: path: /var/spool/postfix/private/auth mode: 432 user: postfix group: postfix master: path: /var/run/dovecot/auth-master mode: 432 user: vmail group: vmail ----------- End dovecot -n -------------- Bellow is /etc/dovecot-ldap.conf: -------------- /etc/dovecot-ldap.conf --------------- hosts = 127.0.0.1:389 ldap_version = 3 auth_bind = yes dn = cn=vmail,dc=osspinc,dc=com dnpass = passwd base = o=%d,o=domains,dc=osspinc,dc=com scope = subtree deref = never user_filter = (&(mail=%u)(objectClass=qmailUser)(accountStatus=active)) pass_filter = (mail=%u) pass_attrs = userPassword=password user_global_uid = 2000 user_global_gid = 2000 default_pass_scheme = CRYPT user_attrs = homeDirectory=home,mailMessageStore=dirsize:mail,mailQuota=quota=dirsize:storage -------------- End /etc/dovecot-ldap.conf --------------- transport entry in Postfix master.cf: ----------- /etc/postfix/master.cf ---------------- dovecot unix - n n - - pipe flags=DRhu user=vmail:vmail argv=/usr/libexec/dovecot/deliver -d ${recipient} -f ${sender} ----------- End /etc/postfix/master.cf ---------------- -- Best Regards. Zhang Huangbin - Mail Server Solution for Red Hat(R) Enterprise Linux & CentOS 5.x: http://rhms.googlecode.com/

3 6

[Dovecot] Auto-subscribe to folders
by Juan Asensio Sánchez 25 May '08

25 May '08

Hi I will use autocreate plugin in a new installation, and client has asked me if the users can be auto-subscribed to certain folders. Example: the users will have an autocreated Junk folder (for SPAM) and we want the users not to be un-subscribed for this folder; so if the user wants to be unsubscribed (from outlook, webmail, etc), there are two options: a) the action is rejected or denied; b) the next time he/she logins, then the folder is autosubscribed again. Could this be done? How? Thanks in advance.

2 1

[Dovecot] Domain variable in checkpassword
by sawyer x 25 May '08

25 May '08

Hello everyone I'm using the checkpassword method but I don't get the domain a user inputs. I can't cross check per virtual domains if I'm not getting one, which means it renders all my efforts useless. I've tried sending %d as a variable to my checkpassword script, but I'm just getting %d instead. This is a dump of my information: %ENV = { 'USERNAME_TRANSLATION' => '', 'SYSLOG_FACILITY' => '16', 'CACHE_SIZE' => '0', 'RESTRICT_GID_LAST' => '', 'TCPREMOTEIP' => '213.31.43.3', 'RESTRICT_GID_FIRST' => '', 'AUTH_NAME' => 'default', 'CACHE_TTL' => '3600', 'SERVICE' => 'IMAP', 'USERDB_1_DRIVER' => 'prefetch', 'USERNAME_CHARS' => 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@', 'DOVECOT_MASTER' => '1', 'RESTRICT_SETGID' => '', 'AUTH_WORKER_MAX_COUNT' => '30', 'AUTH_WORKER_PATH' => '/var/run/dovecot/auth-worker.25291', 'PASSDB_2_ARGS' => '/etc/exim/checkp %d', 'USERNAME_FORMAT' => '', 'LOCAL_IP' => '128.177.27.100', 'PASSDB_2_DRIVER' => 'checkpassword', 'PASSDB_1_DRIVER' => 'pam', 'REALMS' => '', 'PROTO' => 'TCP', 'ANONYMOUS_USERNAME' => 'anonymous', 'RESTRICT_SETEXTRAGROUPS' => '', 'TCPLOCALIP' => '128.177.27.100', 'LOG_TO_MASTER' => '1', 'MASTER_USER_SEPARATOR' => '', 'RESTRICT_SETUID' => '', 'REMOTE_IP' => '213.31.43.3', 'RESTRICT_USER' => '', 'DOVECOT_VERSION' => '1.0.rc15', 'MECHANISMS' => 'plain', 'RESTRICT_CHROOT' => '', 'DEFAULT_REALM' => '' }; ARGS: @ARGV = [ '%d', '/usr/libexec/dovecot/checkpassword-reply' ]; Thanks, Sawyer.

2 1

[Dovecot] imap-login processes
by Bryan Polk 25 May '08

25 May '08

First, thanks for this great product. We migrated from Courier last week with only small bumps along the way. We have a few hundred active users with a mix of pop3 and imap clients. The server is running on sparc Solaris 9. We're seeing a problem now with the number of "imap-login" processes rising slowly to it's limit and then (understandably) not letting any more logins happen. Legitimate users seem to have no problem logging in until the limit is hit. Another odd thing is that this is not a problem for pop3-login processes, just imap... I've tried changing some obvious things including the passdb from pam to passwd and back again, but here's the current dovecot -n output: # 1.0.13: /opt/dovecot/etc/dovecot.conf protocols: imap imaps pop3 pop3s ssl_cert_file: /opt/dovecot/etc/ssl/certs/dovecot.pem ssl_key_file: /opt/dovecot/etc/ssl/certs/key.pem disable_plaintext_auth: no login_dir: /opt/dovecot/var/run/dovecot/login login_executable(default): /opt/dovecot/libexec/dovecot/imap-login login_executable(imap): /opt/dovecot/libexec/dovecot/imap-login login_executable(pop3): /opt/dovecot/libexec/dovecot/pop3-login login_processes_count: 12 login_max_processes_count: 512 verbose_proctitle: yes mail_location: maildir:~/Maildir mmap_disable: yes mail_executable(default): /opt/dovecot/libexec/dovecot/imap mail_executable(imap): /opt/dovecot/libexec/dovecot/imap mail_executable(pop3): /opt/dovecot/libexec/dovecot/pop3 mail_plugin_dir(default): /opt/dovecot/lib/dovecot/imap mail_plugin_dir(imap): /opt/dovecot/lib/dovecot/imap mail_plugin_dir(pop3): /opt/dovecot/lib/dovecot/pop3 pop3_uidl_format(default): pop3_uidl_format(imap): pop3_uidl_format(pop3): %08Xu%08Xv namespace: type: private prefix: INBOX. inbox: yes auth default: verbose: yes passdb: driver: pam userdb: driver: passwd Any ideas or advice? Thanks, Bryan Polk Unix Systems Administrator Communication and Multimedia Services FAMU-FSU College of Engineering bpolk(a)eng.fsu.edu

5 14

[Dovecot] Problems with apple'mail client
by Osvaldo Alvarez Pozo 25 May '08

25 May '08

hi all I use dovecot for smtp authentication this works ok for thunderbird and for outlook express but not for apple'mail client. my config is as follow postfx main.cf . . #authentication smtpd_sasl_auth_enable = yes #smtpd_sasl_local_domain = $myhostname smtpd_sasl_exceptions_networks = $mynetworks smtpd_sasl_security_options = noanonymous broken_sasl_auth_clients = yes smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth # TLS parameters . . Dovecot dovecot.conf ssl_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem ssl_key_file = /etc/ssl/private/ssl-cert-snakeoil.key mail_location = maildir:/var/vmail/%d/%u/Maildir mail_extra_groups = mail first_valid_uid = 5000 last_valid_uid = 5000 maildir_copy_with_hardlinks = yes disable_plaintext_auth = no mail_debug = no dotlock_use_excl=yes protocols = imap pop3 protocol imap { mail_plugins = quota imap_quota imap_client_workarounds = outlook-idle delay-newmail } protocol pop3 { mail_plugins = quota pop3_client_workarounds = outlook-no-nuls oe-ns-eoh pop3_uidl_format = %08Xu%08Xv } protocol lda { postmaster_address = support(a)oc3.fr mail_plugins = quota log_path = /var/log/dovecot-deliver.log info_log_path = /var/log/dovecot-deliver.log } auth default { mechanisms = plain login passdb sql { args = /usr/dovecot/etc/sql.conf } # userdb prefetch { # } userdb sql { args = /usr/dovecot/etc/sql.conf } user = nobody socket listen { master { path = /usr/dovecot/var/run/dovecot/auth-master mode = 0660 user = vmail group = mail } client { path = /var/spool/postfix/private/auth mode = 0660 user = postfix group = mail } } } dict { } plugin { } Thanks

3 3

[Dovecot] Bug [1.1rc5]: Crash during "CPU architecture changed" index upgrade
by Cabel Sasser 25 May '08

25 May '08

Hello List, We just migrated from a PPC Xserve to an Intel Xserve. I used "rsync" to bring everyone's home directories over, and in the back of my mind wondered about how it would handle the binary index files... only one way to find out! :) Once I tried to login to IMAP, I got the following results: May 6 19:46:48 posh dovecot[1169]: IMAP(cabel): Rebuilding index file /Users/cabel/mail/.imap/INBOX/dovecot.index: CPU architecture changed May 6 19:46:48 posh dovecot[1169]: IMAP(cabel): fscking index file / Users/cabel/mail/.imap/INBOX/dovecot.index May 6 19:46:48 posh dovecot[1169]: IMAP(cabel): Fixed index file / Users/cabel/mail/.imap/INBOX/dovecot.index: log_file_seq 1 -> 637534208 May 6 19:46:48 posh dovecot[1169]: IMAP(cabel): /Users/cabel/ mail/.imap/INBOX/dovecot.index: log_file_head_offset too small May 6 19:46:48 posh dovecot[1169]: Panic: IMAP(cabel): file mail- transaction-log-view.c: line 215 (mail_transaction_log_view_set): assertion failed: (min_file_offset >= view->tail->hdr.hdr_size) May 6 19:46:48 posh dovecot[1169]: IMAP(cabel): Raw backtrace: 2 imap 0x000839d8 i_set_failure_file + 392 -> 3 imap 0x00083283 i_panic + 51 -> 4 imap 0x0006f512 mail_transaction_log_view_set + 1170 -> 5 imap 0x000669c9 mail_index_sync_map + 297 -> 6 imap 0x0005d35c mail_index_map + 1580 -> 7 imap 0x00061f5e mail_index_transaction_open_updated_view + 958 -> 8 imap 0x00062ba6 mail_index_sync_begin_to + 102 -> 9 imap 0x0006352d mail_index_sync_begin + 77 -> 10 imap 0x00030b50 mbox_sync + 1120 -> 11 imap 0x0003203d mbox_storage_sync_init + 77 -> 12 imap 0x0004f21f mailbox_sync + 31 -> 13 imap 0x00006167 cmd_select_full + 231 - > 14 imap 0x0000 May 6 19:46:48 posh dovecot[1169]: IMAP(cabel): 6329 cmd_select + 25 - > 15 imap 0x00008409 client_handle_unfinished_cmd + 201 -> 16 imap 0x000084ab client_handle_unfinished_cmd + 363 -> 17 imap 0x00008705 client_handle_unfinished_cmd + 965 -> 18 imap 0x00008962 client_input + 114 -> 19 imap 0x0008c2e9 io_loop_handler_run + 313 -> 20 imap 0x0008b606 io_loop_run + 70 -> 21 imap 0x000119f7 main + 1207 -> 22 imap 0x000016c6 start + 54 May 6 19:46:49 posh ReportCrash[1222]: Formulating crash report for process imap[1202] May 6 19:46:49 posh dovecot[1169]: child 1202 (imap) killed with signal 6 May 6 19:46:49 posh ReportCrash[1222]: Saved crashreport to /Library/ Logs/CrashReporter/imap_2008-05-06-194648_posh.crash using uid: 0 gid: 0, euid: 0 egid: 0 Naturally, deleting everyone's ".imap" folders fixed the problem. I'll attach the crash report to this e-mail. Hope this is useful to someone on this list! Best, Cabel Panic Process: imap [1202] Path: /usr/local/libexec/dovecot/imap Identifier: imap Version: ??? (???) Code Type: X86 (Native) Parent Process: dovecot [1169] Date/Time: 2008-05-06 19:46:48.366 -0700 OS Version: Mac OS X Server 10.5.2 (9C31) Report Version: 6 Exception Type: EXC_CRASH (SIGABRT) Exception Codes: 0x0000000000000000, 0x0000000000000000 Crashed Thread: 0 Thread 0 Crashed: 0 libSystem.B.dylib 0x96d540ea __kill + 10 1 libSystem.B.dylib 0x96dcb3f2 raise + 26 2 libSystem.B.dylib 0x96dda9af abort + 73 3 imap 0x00083a0a i_internal_fatal_handler + 106 4 imap 0x00083283 i_panic + 51 5 imap 0x0006f512 mail_transaction_log_view_set + 1170 (mail-transaction-log-view.c:143) 6 imap 0x000669c9 mail_index_sync_map + 297 (mail-index-sync-update.c:753) 7 imap 0x0005d35c mail_index_map + 1580 (mail-index-map.c:926) 8 imap 0x00061f5e mail_index_sync_begin_init + 78 (mail-index-sync.c:355) 9 imap 0x00062ba6 mail_index_sync_begin_to + 102 (mail-index-sync.c:418) 10 imap 0x0006352d mail_index_sync_begin + 77 (mail-index-sync.c:323) 11 imap 0x00030b50 mbox_sync + 1120 (mbox- sync.c:1684) 12 imap 0x0003203d mbox_storage_sync_init + 77 (mbox-sync.c:1880) 13 imap 0x0004f21f mailbox_sync + 31 (mail- storage.c:539) 14 imap 0x00006167 cmd_select_full + 231 (cmd-select.c:39) 15 imap 0x00006329 cmd_select + 25 (cmd- select.c:88) 16 imap 0x00008409 client_command_input + 41 (client.c:553) 17 imap 0x000084ab client_command_input + 203 (client.c:604) 18 imap 0x00008705 client_handle_input + 277 (client.c:643) 19 imap 0x00008962 client_input + 114 (client.c:698) 20 imap 0x0008c2e9 io_loop_handler_run + 313 (ioloop-kqueue.c:150) 21 imap 0x0008b606 io_loop_run + 70 (ioloop.c:300) 22 imap 0x000119f7 main + 1207 (main.c:254) 23 imap 0x000016c6 start + 54 Thread 0 crashed with X86 Thread State (32-bit): eax: 0x00000000 ebx: 0x96dda96f ecx: 0xbfffdcdc edx: 0x96d540ea edi: 0x00201720 esi: 0x00000004 ebp: 0xbfffdcf8 esp: 0xbfffdcdc ss: 0x0000001f efl: 0x00000282 eip: 0x96d540ea cs: 0x00000007 ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037 cr2: 0x00107000 Binary Images: 0x1000 - 0xa9fe0 +imap ??? (???) <10c13baf127aaaae5e5c68a2929781d2> /usr/local/libexec/dovecot/imap 0x8fe00000 - 0x8fe2da53 dyld 96.2 (???) <7af47d3b00b2268947563c7fa8c59a07> /usr/lib/dyld 0x9024c000 - 0x90340ff4 libiconv.2.dylib ??? (???) <c508c60fafca17824c0017b2e4369802> /usr/lib/libiconv.2.dylib 0x935d3000 - 0x935d7fff libmathCommon.A.dylib ??? (???) /usr/lib/ system/libmathCommon.A.dylib 0x93768000 - 0x9376ffe9 libgcc_s.1.dylib ??? (???) <a9ab135a5f81f6e345527df87f51bfc9> /usr/lib/libgcc_s.1.dylib 0x96ce5000 - 0x96e44ff3 libSystem.B.dylib ??? (???) <4899376234e55593b22fc370935f8cdf> /usr/lib/libSystem.B.dylib 0xffff0000 - 0xffff1780 libSystem.B.dylib ??? (???) /usr/lib/ libSystem.B.dylib

2 1

[Dovecot] Maildir locking by LDA of dovecot
by Mike Grozak 25 May '08

25 May '08

Hi all! First of all, I want ti thank the whole Dovecot community (developers for developing and fast responses, users for populating and responses too). Dovecot is a really good and fast IMAP server - it serves near 3000 in our installation. Now I have a problem and request community's help its resolving;) Dovecot version: 1.0.13, compiled with vpopmail support. I have an account spam(a)domain.com (:-), in which we put all our spam (we gather statistic later). There can be 10 and more delivery attempts in a second to maildir of this account during the spam attacks on our server. The queue of our server can grow up to 20k messages, and all of these messages are sent to spam(a)domain.com. I found a lot of such strings in dovecot.log file during such DoS attack: dovecot.log:deliver(spam@domain.com): May 16 04:18:48 Info: msgid=<01c8b6da$a8bacf80$b7af2abe@sale>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:18:59 Info: msgid=<6611811842.20080516012444(a)poiusadfhnvxzmdiasdasgkhlsdkfg.com>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:20:06 Info: msgid=<01c8b6a8$7b552e00$a0a4034c@sale>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:20:14 Info: msgid=<360825920.32055246029506(a)mirgames.ru>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:20:50 Info: msgid=<01c8b6b1$0df9cb00$cc36dfc9@tek2>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:21:00 Info: msgid=<087901c7ca2d$ef272640$1e01a8c0(a)telefonia.InterCable.net>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:21:01 Info: msgid=<000701c8b6d2$01ff999f$c491aca7@snoueiij>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:22:32 Info: msgid=<000801c8b69b$060c0230$3cd8a4b7@cpbvlrx>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:22:45 Info: msgid=<000801c8b6a5$04ba6412$9910848d@aldldr>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:22:45 Info: msgid=<031401c772e2$adc5be40$1e01a8c0(a)mtu-net.ru>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:23:08 Info: msgid=<01c8b6db$0222fe80$b7af2abe@info>: save failed to INBOX: Timeout while waiting for lock What can I do for resolving this locks? The queue of my server becomes really big! May be, while looking into uidlist file, can dovecot LDA lock it? And other deliver processes can't open it and wait for him? $ dovecot --version 1.0.13 # dovecot -n # 1.0.13: /etc/dovecot.conf log_path: /var/log/dovecot.log protocols: imap pop3 ssl_disable: yes login_dir: /var/run/dovecot/login login_executable(default): /usr/libexec/dovecot/imap-login login_executable(imap): /usr/libexec/dovecot/imap-login login_executable(pop3): /usr/libexec/dovecot/pop3-login login_greeting: Server is ready. login_process_per_connection: no login_greeting_capability(default): yes login_greeting_capability(imap): yes login_greeting_capability(pop3): no login_max_connections: 1024 first_valid_uid: 39 last_valid_uid: 39 first_valid_gid: 39 last_valid_gid: 39 fsync_disable: yes maildir_copy_with_hardlinks: yes mail_executable(default): /usr/libexec/dovecot/imap mail_executable(imap): /usr/libexec/dovecot/imap mail_executable(pop3): /usr/libexec/dovecot/pop3 mail_plugins(default): quota imap_quota mail_plugins(imap): quota imap_quota mail_plugins(pop3): quota mail_plugin_dir(default): /usr/lib/dovecot/imap mail_plugin_dir(imap): /usr/lib/dovecot/imap mail_plugin_dir(pop3): /usr/lib/dovecot/pop3 auth default: mechanisms: plain login cram-md5 default_realm: tversu.ru cache_size: 10240 user: vpopmail username_format: %Lu passdb: driver: vpopmail args: cache_key=%u dovecot userdb: driver: vpopmail socket: type: listen client: path: /var/spool/postfix/private/auth mode: 438 user: postfix group: postfix master: path: /var/run/dovecot/auth-master mode: 438 plugin: quota: maildir:ignore=Trash --------------------------- WBR, Mike Grozak, TvSU IC

3 4

[Dovecot] Multiple private namespace question
by Troy Engel 24 May '08

24 May '08

(apologies if this has been covered, can't find it on the Wiki/FAQ, etc.) We have a stellar, fantastic, hard working Dovecot 1.0.5 (yes, I need to upgrade) installation running in Courier-IMAP compatibility mode: mail_location = maildir:~/Maildir:INDEX=/var/spool/dovecot/indexes/%1u/%u namespace private { separator = . prefix = INBOX. inbox = yes } A user purchased a Windows Mobile 6 device which is ignoring the namespace (it's the device's bug for sure, other people report it on forums around the 'net) and there's no way on this device to manually set the Prefix; so, his Sent mails are never making it back to the server when replying from the device because of the missing INBOX. issue. Can I add a second hidden namespace with no prefix: namespace private { separator = . prefix = hidden = yes } ...to fix his problem, but without adversely affecting anyone else? The issue that has given me pause is this comment in the config file: "Default namespace is simply done by having a namespace with empty prefix." ..but then there's also: "If namespace is hidden, it's not advertised to clients via NAMESPACE extension or shown in LIST replies." I'm not sure what exactly will happen by adding a hidden namespace with no prefix after an advertised namespace with a prefix; this is a live server, so mucking up the works with a bad config is not an option. :) Anyone have a clue if this is valid/good/correct and Dovecot will play nicely? Many thanks, -te -- Troy Engel | Systems Engineer Fluid, Inc | http://www.fluid.com

3 8

[Dovecot] Problem compiling antispam plugin with Dovecot 1.1
by Juan Asensio Sánchez 24 May '08

24 May '08

Hi I am trying to compile antispam plugin with Dovecot 1.1, but i get an error when running make install: pdc-server:~/tmp/dovecot-antispam# make cc -c -DHAVE_CONFIG_H -Wall -I/root/tmp/dovecot-1.1.rc5/ -I/root/tmp/dovecot-1.1.rc5/src/ -I/root/tmp/dovecot-1.1.rc5/src/lib/ -I/root/tmp/dovecot-1.1.rc5/src/lib-storage/ -I/root/tmp/dovecot-1.1.rc5/src/lib-mail/ -I/root/tmp/dovecot-1.1.rc5/src/lib-imap/ -I/root/tmp/dovecot-1.1.rc5/src/lib-dict/ -I/root/tmp/dovecot-1.1.rc5/src/lib-index/ -I/root/tmp/dovecot-1.1.rc5/src/imap/ -DCONFIG_DEBUG -DDEBUG_SYSLOG -DCONFIG_DEBUG_VERBOSE -DCONFIG_DOVECOT_11 "-Dmempool_unref(x)=pool_unref(x)" -fPIC -shared -Wall -Wextra -DPLUGINNAME=antispam -o debug.o.o debug.c cc -DHAVE_CONFIG_H -Wall -I/root/tmp/dovecot-1.1.rc5/ -I/root/tmp/dovecot-1.1.rc5/src/ -I/root/tmp/dovecot-1.1.rc5/src/lib/ -I/root/tmp/dovecot-1.1.rc5/src/lib-storage/ -I/root/tmp/dovecot-1.1.rc5/src/lib-mail/ -I/root/tmp/dovecot-1.1.rc5/src/lib-imap/ -I/root/tmp/dovecot-1.1.rc5/src/lib-dict/ -I/root/tmp/dovecot-1.1.rc5/src/lib-index/ -I/root/tmp/dovecot-1.1.rc5/src/imap/ -DCONFIG_DEBUG -DDEBUG_SYSLOG -DCONFIG_DEBUG_VERBOSE -DCONFIG_DOVECOT_11 "-Dmempool_unref(x)=pool_unref(x)" -fPIC -shared -Wall -Wextra -DPLUGINNAME=antispam antispam-storage-1.1.c -o antispam-storage-1.1 cc -o .o cc: no input files make: *** [.o] Error 1 When running make clean to try to compile again, a file called "antispam-storage-1.1.c" (without any extension) is not deleted, and this file was not before running make install. If I run again make install with that file present (after running make clean), i get this output: cc -c -DHAVE_CONFIG_H -Wall -I/root/tmp/dovecot-1.1.rc5/ -I/root/tmp/dovecot-1.1.rc5/src/ -I/root/tmp/dovecot-1.1.rc5/src/lib/ -I/root/tmp/dovecot-1.1.rc5/src/lib-storage/ -I/root/tmp/dovecot-1.1.rc5/src/lib-mail/ -I/root/tmp/dovecot-1.1.rc5/src/lib-imap/ -I/root/tmp/dovecot-1.1.rc5/src/lib-dict/ -I/root/tmp/dovecot-1.1.rc5/src/lib-index/ -I/root/tmp/dovecot-1.1.rc5/src/imap/ -DCONFIG_DEBUG -DDEBUG_SYSLOG -DCONFIG_DEBUG_VERBOSE -DCONFIG_DOVECOT_11 "-Dmempool_unref(x)=pool_unref(x)" -fPIC -shared -Wall -Wextra -DPLUGINNAME=antispam -o debug.o debug.c cc -o .o cc: no input files make: *** [.o] Error 1 If I run make clean and manually deleted that file before running make install, i get again the first output. Why am i getting this error? Regards.

1 0

[Dovecot] I've moved
by Timo Sirainen 24 May '08

24 May '08

I've moved again. If you need to know my new address, whois imapwiki.org (dovecot.org address is still lagging behind). My living costs also increased some because of this, but hopefully I'll get enough money from Dovecot coding to pay for it. :) I'll try to get back to replying mails within the next few days.

2 2

[Dovecot] Disallow folder delete
by Kenneth Porter 24 May '08

24 May '08

Is there a straightforward way to disallow the deletion of all IMAP mailboxes? I have a user who's deleted an important IMAP mailbox and I'm now recovering a recent copy from the backup. But I'd rather just blanket disallow all folder deletions. The user is using Thunderbird and this has happened more than once so I suspect Tbird is willing to let a folder get deleted too easily. Perhaps there was a delay in the confirmation dialog and the user clicked ahead and confirmed something he shouldn't have. I'm looking at <http://wiki.dovecot.org/ACL> and it looks like I should be able to use a group override to disallow "x" (mailbox delete) but the page says that groups aren't implemented, so I don't know how one says that nobody can do this for any mailbox. I'm using 1.2.rc15 from CentOS 5 (RHEL5 equivalent).

7 16

[Dovecot] Don't Understand Error Entry
by Carlos Williams 24 May '08

24 May '08

I am using dovecot-0.99.11-8.EL4 on my system and decided to check the logs since I just took over as the administrator on this system and I noticed the same error entry over and over in the logs. I went to /var/log/dovecot.err and see: imap(rangry): May 22 13:33:31 Error: Error parsing IMAP envelope: "Thu, 20 Apr 2006 10:10:01 -0400" "Re: Hi there I have a question" (("Rodney Angry" NIL "rodney.s.angry" "example.com")) (("Rodney Angry" NIL "rodney.s.angry" " example.com")) ((NIL NIL "rodney.s.angry" "example.com")) (("Gryder, Connie" NIL "CONSTANCE.L.GRYDER" "example.com")) NIL NIL "< DD3761B99DC88F4284EDE00D608383C65DF16C(a)0088-its-exmp01.us.example.com>" NIL I don't understand what this error message means and why its flooding my logs. I do know the that the name in parenthesis on line one is a user on my email server. <rangry> is a user on my domain with a valid email account but I can't tell if the problem is coming from example.com or originating from <rangry>. Anyone happen to know what is causing this? I don't know if you guys need my config here so I don't want to flood this message. If this makes sense to anyone, please let me know what I can do to resolve this or keep this from flooding my email server. Thanks!

4 5

[Dovecot] log contents questions?
by Knute Johnson 24 May '08

24 May '08

I switched from using Pegasus and POP3 to Thunderbird and IMAP for my email. Now I get a lot of "Corrupted index cache file" errors in my log. Dovecot is running under Fedora 8 and is version 1.0.13-6.fc8. The Thunderbird is version 2.0.0.14 running under Windows XP. My wife's Blackberry is also using IMAP and not reporting any errors. Any ideas what the problem is or how to fix it? Thanks, knute... --------------------- Dovecot Begin ------------------------ Dovecot disconnects: Inactivity: 2 Time(s) Logged out: 2606 Time(s) in IDLE: 27 Time(s) **Unmatched Entries** dovecot: IMAP(knute): Connection closed: 5 Time(s) dovecot: IMAP(knute): Corrupted index cache file /home/knute/mail/.imap/CR-FFL/dovecot.index.cache: invalid record size: 3 Time(s) dovecot: IMAP(knute): Corrupted index cache file /home/knute/mail/.imap/INBOX/dovecot.index.cache: invalid record size: 2 Time(s) dovecot: IMAP(knute): Corrupted index cache file /home/knute/mail/.imap/frazmtn.com/dovecot.index.cache: invalid record size: 4 Time(s) dovecot: IMAP(linux): Connection closed: 4 Time(s) dovecot: IMAP(linux): Corrupted index cache file /home/linux/mail/.imap/Dovecot/dovecot.index.cache: invalid record size: 2 Time(s) dovecot: IMAP(linux): Corrupted index cache file /home/linux/mail/.imap/Fedora List/dovecot.index.cache: invalid record size: 4 Time(s) dovecot: IMAP(linux): Corrupted index cache file /home/linux/mail/.imap/Fedora Selinux List/dovecot.index.cache: invalid record size: 1 Time(s) dovecot: IMAP(linux): Corrupted index cache file /home/linux/mail/.imap/Fedora Test List/dovecot.index.cache: invalid record size: 2 Time(s) ---------------------- Dovecot End ------------------------- -- Knute Johnson linux(a)www.knutejohnson.com

2 4

[Dovecot] procmail --> deliver question
by Ben Budts 23 May '08

23 May '08

Hi there, I use dovecot-1.1-rc4, got imap, imaps, pop3 & pop3s working fine with the mbox format. I use sendmail-8.14.2 as an MTA, sendmail uses procmail as an LDA. I migrated to maildir format now, and pipe all my mail to deliver right now to be able to make use of the indexing etc... Problem is I run into some errors : #My .procmailrc PATH=/usr/bin:/usr/local/bin:/usr/sbin SHELL="/bin/bash" SENDMAIL="sendmail -oi -t" DELIVER="/opt/dovecot/libexec/dovecot/deliver" LOGFILE="$HOME/procmail.log" #/dev/null VERBOSE=on LOGABSTRACT = "all" #DEFAULT="$HOME/Maildir/" #MAILDIR="$HOME/Maildir/" :0 w | $DELIVER ##### My procmail.log : procmail: [12743] Wed May 21 13:43:38 2008 procmail: Assigning "LOGABSTRACT=all" procmail: Executing "/opt/dovecot/libexec/dovecot/deliver" Fatal: destination user parameter (-d user) not given procmail: Error while writing to "/opt/dovecot/libexec/dovecot/deliver" procmail: Program failure (64) of "/opt/dovecot/libexec/dovecot/deliver" procmail: Assigning "LASTFOLDER=/opt/dovecot/libexec/dovecot/deliver" procmail: Locking "/var/spool/mail/kris.lock" procmail: Assigning "LASTFOLDER=/var/spool/mail/kris" procmail: Opening "/var/spool/mail/kris" ####" It's not working out and he falls back to delivering his mail to /var/spool/mail/%u Could you guys point me out in the right direction please ? Another question about the logging with deliver... I've put the following in my deliver.conf : deliver.conf in the lda section : log_path = /var/log/dovecot/deliver.log info_log_path = /var/log/dovecot-deliver.log root@blaat:/home/kris# ls -la /var/log/dovecot/ total 232 drwxrwxrwx 2 root root 4096 2008-05-20 10:44 . drwxr-xr-x 11 root root 4096 2008-05-19 10:08 .. -rw-rw-rw- 1 root root 0 2008-05-20 10:44 deliver.log But it's not logging at all... Also tried the syslog alternative, no logging either. Also put set user or group ID on execution (s) on the deliver binary : -rwsr-sr-x 1 root root 693300 2008-05-19 09:38 /opt/dovecot/libexec/dovecot/deliver thx a lot Benjamin

2 1

[Dovecot] dovecot-sieve on freebsd
by Lazar Szilard 22 May '08

22 May '08

Hi,I need some help. I use dovecot and dovecot-sieve on a freebsd 7.0-release. everything worked fine without dovecot sieve. I want to deliver amavisd spam marked messages to the 'spam' folder of the user. the system uses virtual environment with multiple domains (and users).all want is a global sieve, to all users, all domains.I googled, but I cannot find the problem,my protocol lda section:protocol lda {    log_path = /usr/local/vmail/dovecot-deliver.log    sieve_global_dir = /usr/local/vmail/globalsieverc    mail_plugins = cmusieve    mail_debug = yes    log_path = /var/log/dovecot-deliver    info_log_path = /var/log/dovecot-deliver     postmaster_address = postmaster(a)tamann.hu    mail_plugin_dir = /usr/local/lib/dovecot/lda    sendmail_path = /usr/sbin/sendmail}globalsieverc:require "fileinto";if header :contains "X-Spam-Flag" "YES" {        fileinto "Spam";        stop;}thank you for your help,and sorry for my bad english.t

1 0

[Dovecot] auth_socket_path permissiones
by Adrián Ribao Martínez 22 May '08

22 May '08

Hello, I'm using dovecot 1.0 under debian etch. The lda socket path is set to: auth_socket_path = /var/spool/postfix/private/auth But this gives me the error: net_connect(/var/spool/postfix/private/auth) failed: Permission denied I suppose deliver is run as dovecot user. I read about running deliver as root with the suid bit set. I'm not quite sure if this is a good solution. Is there any other way. In the wiki says: "Most MTAs won't let you run deliver as root, so for now you'll need to make it setuid root. However deliver isn't designed to be run as setuid-root" My MTA is postfix, does someone know if postfix let me run deliver as root? If not, should I go to the setuid option? Thank you. -- Adrián Ribao Martínez

3 3

[Dovecot] Clients hang because imap-login discards post-login commands
by Mike Abbott 22 May '08

22 May '08

Some of my IMAP clients hang when connecting to Dovecot 1.1.rc5. I believe the problem is that imap-login reads eagerly rather than sparingly. If a client sends a login user password b select Inbox all at once, without waiting for the login reply before sending the select, imap-login eats the second command (reads it from the socket and does nothing with it; system call tracing confirms this) and the client hangs waiting for a reply to the select command. I can reproduce this simply using telnet to the dovecot on localhost, as long as I send both lines at once (I paste them in together). $ telnet localhost 143 * OK Dovecot ready. a login user password b select Inbox a OK Logged in. <dovecot never replies to select> This may also be true with pop3-login, I have not checked. It does happen (with IMAP) when authentication is delayed and Dovecot responds with "* OK Waiting for authentication process to respond.." but I believe that shares the same underlying cause as the simpler case above. I believe the login processes should read only as much as they need to satisfy the login request and leave subsequent commands in the socket for post-login processing. Or, the login processes should pass the remainder of their input buffers to the mail processes so no commands are dropped. This section of RFC 2060 explains why I think this: 5.5. Multiple Commands in Progress The client MAY send another command without waiting for the completion result response of a command, subject to ambiguity rules (see below) and flow control constraints on the underlying data stream. Similarly, a server MAY begin processing another command before processing the current command to completion, subject to ambiguity rules. [...] The exception is if an ambiguity would result because of a command that would affect the results of other commands. Clients MUST NOT send multiple commands without waiting if an ambiguity would result. If the server detects a possible ambiguity, it MUST execute commands to completion in the order given by the client. So it appears that both the client and Dovecot may be in violation, depending on how you define "ambiguity." The RFC does not explicitly define whether login causes an ambiguity, but I personally believe that login does "affect the results of other commands" (the login may fail, for instance). So the client should not issue commands before receiving the login reply, and Dovecot should not drop commands during login. I have reported the client issue to the developers of the IMAP client, as I am reporting the server issue to you. Fortunately for me, only one or the other needs to change to erase the symptom (hung clients), but fixing both would be best. Thanks for your attention.

3 2

[Dovecot] Dovecot or postfix Quota
by Adrián Ribao Martínez 22 May '08

22 May '08

Hello, I'm a bit confused with the dovecot quota support. What is it for? I thought postfix should be the one managing the quota. If I set up a quota in dovecot, does dovecot keep the messages size under certain limit? What happen when you reach the quota limit? What's the difference between postfix quotas and dovecot quota? I'm confused about this. Thank you! -- Adrián Ribao Martínez

3 4

[Dovecot] VMware and Time moved backwards
by Robert Henjes 22 May '08

22 May '08

Hi, I followed the discussions regarding the "time moved backward" problem and the use of ntp in such cases. At our department we are running two dovecot servers within an vmware server environment, and unfortunately the timedrift (with ntpd active) exceeds sometimes up to 30 minutes virtual drift within 10 minutes realtime (mostly into future). This is due to some overcorrections within the TSC algorithms of the vmware virtual machine. More information and some hints to workaround are documented here: http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=di… Nevertheless we are currently working on evaluating a stable solution by doing some system measurements, which would be the best option to cope with this problem, since the XEN environment seems to have a similar issue. Running "ntpdate -u" as a cronjob is not an option due to two facts: a) Time is moving quickly and may cause "major problems" ;) b) It is not recommended by the vmware team itself as well We are currently considering two options: a) Using the "clock=pit" kernel option, which may cause the system to be to slow b) using vmware tools and use only the ntp synchronisation of the host (we have currently only little experience with this). Also vmware tools are somewhat critical in case of updates. So our intention was to use as less vmware specific things as possible within the virtual machine, so only our host itself depends on vmware specific software. The question is, which option would you prefer? Is there another solution beside the mentioned ones? According to Timo's postings, workarounds within the dovecot itself to cope with "time moved backward" problems are not planned yet to be impelented. So best regards, Robert

5 5

Re: [Dovecot] VMware and Time moved backwards
by Robert Henjes 21 May '08

21 May '08

Thank you for the prompt answers @Luuk Vosslamber >finding correct values for the following entrys in your vmware(host) >config file might solve some things: >host.cpukHz = 1596000 <== depends on processor speed ;-) >host.noTSC = TRUE >ptsc.noTSC = TRUE >hostinfo.noTSC = TRUE >tools.syntime = TRUE > >Above values go with the presumption that the host CPU is running at a >fixed frequency. The variable frequency seems to be the origin of this >problem.. We tried your parameters already, but they are not an option, unless you have the following a) machine smp disabled (enabled in our case) b) other machines on the host system have really low load c) vmware tools should not be missing on guest @Peter Hessler >never ever ever run ntp on virtual hardware. > >instead, run ntp on the host hardware, and tell the client to always obey the bios clock. I add "* * * * * /sbin/hwclock --localtime -->hctosys" >to my crontab for that. Thank you very much Peter, this hint opens up a bunch of new possibilities only mentioning "adjtimex" ... BUT: And this brings me back to, why I posted this issue to the dovecot mailinglist and not elsewhere: All these guest based solutions lead to a fixed time movement (we used previously ntpdate -u every 7 minutes, ntp itself synchronizes every 11 minutes with the hardware clock for calculating drifts), which happens about once per week, that the time movement backward is larger than 11 seconds between two dovecot imap operations, which leads to an immediate shutdown of the dovecot process. All other services on these machine can cope with this. So the question is how to get these adjustments smooth or close to realtime. Best regards, Robert Btw.: We are running Dovecot 1.0.13 from Debian etch-backports (which is an important information since debian seems to have its own rules ;) )

1 0

[Dovecot] Maildir locking by LDA of dovecot
by Mike Grozak 21 May '08

21 May '08

Hi all! First of all, I want ti thank the whole Dovecot community (developers for developing and fast responses, users for populating and responses too). Dovecot is a really good and fast IMAP server - it serves near 3000 in our installation. Now I have a problem and request community's help its resolving;) Dovecot version: 1.0.13, compiled with vpopmail support. I have an account spam(a)domain.com (:-), in which we put all our spam (we gather statistic later). There can be 10 and more delivery attempts in a second to maildir of this account during the spam attacks on our server. The queue of our server can grow up to 20k messages, and all of these messages are sent to spam(a)domain.com. I found a lot of such strings in dovecot.log file during the such DoS attack: dovecot.log:deliver(spam@domain.com): May 16 04:18:48 Info: msgid=<01c8b6da$a8bacf80$b7af2abe@sale>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:18:59 Info: msgid=<6611811842.20080516012444(a)poiusadfhnvxzmdiasdasgkhlsdkfg.com>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:20:06 Info: msgid=<01c8b6a8$7b552e00$a0a4034c@sale>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:20:14 Info: msgid=<360825920.32055246029506(a)mirgames.ru>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:20:50 Info: msgid=<01c8b6b1$0df9cb00$cc36dfc9@tek2>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:21:00 Info: msgid=<087901c7ca2d$ef272640$1e01a8c0(a)telefonia.InterCable.net>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:21:01 Info: msgid=<000701c8b6d2$01ff999f$c491aca7@snoueiij>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:22:32 Info: msgid=<000801c8b69b$060c0230$3cd8a4b7@cpbvlrx>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:22:45 Info: msgid=<000801c8b6a5$04ba6412$9910848d@aldldr>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:22:45 Info: msgid=<031401c772e2$adc5be40$1e01a8c0(a)mtu-net.ru>: save failed to INBOX: Timeout while waiting for lock dovecot.log:deliver(spam@domain.com): May 16 04:23:08 Info: msgid=<01c8b6db$0222fe80$b7af2abe@info>: save failed to INBOX: Timeout while waiting for lock My dovecot.conf: $ cat /etc/dovecot.conf | grep -v \# | grep -v ^\n protocols = imap pop3 log_path = /var/log/dovecot.log ssl_disable = yes login_user = dovecot login_process_per_connection = no login_max_connections = 1024 login_greeting = Server is ready. >>dotlock_use_excl = yes - can it be the reason? fsync_disable = yes first_valid_uid = 39 last_valid_uid = 39 first_valid_gid = 39 last_valid_gid = 39 max_mail_processes = 1024 maildir_copy_with_hardlinks = yes maildir_copy_preserve_filename = yes protocol imap { mail_plugins = quota imap_quota login_greeting_capability = yes imap_client_workarounds = outlook-idle } protocol pop3 { pop3_lock_session = no pop3_uidl_format = %08Xu%08Xv mail_plugins = quota } protocol lda { postmaster_address = postmaster(a)tversu.ru mail_plugins = quota cmusieve sendmail_path = /usr/lib/sendmail fsync_disable = no } auth_cache_size = 10240 auth_username_format = %Lu auth default { mechanisms = plain login cram-md5 socket listen { master { path = /var/run/dovecot/auth-master mode = 0666 } client { path = /var/spool/postfix/private/auth mode = 0666 user = postfix group = postfix } } passdb vpopmail { args = cache_key=%u dovecot } userdb vpopmail { } user = vpopmail ssl_require_client_cert = no } dict { } plugin { quota = maildir:ignore=Trash } What can I do for resolving this locks? May be, while looking into uidlist file, can dovecot LDA lock it? And other deliver processes can't open it and wait for him? --------------------------- WBR, Mike Grozak, TvSU IC

1 0

[Dovecot] Running sieve filters on already delivered mails
by Axel Gembe 20 May '08

20 May '08

I want to know what the best way to run sieve filters on already delivered mail is. Problem is that I have a rather large unfiltered mailbox and filtering it by hand would be a PITA. I don't mind coding something up to do this, but I just don't think that I'm the first one with this problem. Thanks - Axel

2 2

[Dovecot] Cannot compile current version of antispam
by Steffen Kaiser 20 May '08

20 May '08

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, with the current (2008-05-20) repository releases of Dovecot-1.0 and antispam the plugin no longer compiles: antispam-storage-1.0.c: In function âantispam_mail_update_keywordsâ: antispam-storage-1.0.c:285: error: âidxkwd__typeâ undeclared (first use in this function) antispam-storage-1.0.c:285: error: (Each undeclared identifier is reported only once antispam-storage-1.0.c:285: error: for each function it appears in.) antispam-storage-1.0.c:285: warning: type defaults to âintâ in declaration of âtype nameâ antispam-storage-1.0.c:285: warning: initialization from incompatible pointer type Version of antispam: (first entry of git log) commit c3a343290773d6e22a08946cb2ef80b1b8fe8a06 Author: Johannes Berg <johannes(a)sipsolutions.net> Date: Sat Apr 26 20:34:06 2008 +0200 add 1.1 storage. probably doesn't work Base version of Dovecot: changeset: 5551:71c02fdf1b59 branch: branch_1_0 tag: tip Bye, - -- Steffen Kaiser -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFIMtunVJMDrex4hCIRAjXgAJ9j0oNUa0wGaLMshw6F/kjQoQxvygCdHLE9 Vb7rUcHxSr1kcgN+MHCsI1U= =dBuy -----END PGP SIGNATURE-----

2 2

[Dovecot] New ManageSieve releases: v0.10.2 for Dovecot 1.1.rc4 and v9.3 for Dovecot 1.0.13
by Stephan Bosch 20 May '08

20 May '08

Hello Dovecot users, Recently, I was pointed towards a problem in the managesieve SASL implementation. As it turns out there was a bug in handling mechanisms that expect more than a single client response. That is why the PLAIN mechanism works and the (obsolete) LOGIN mechanism fails (along with probably many others). This problem was present in both v9.2 and v0.10.1 for Dovecot 1.0 and 1.1 respectively. This issue is fixed in the new releases: Change Log v9.3/v0.10.2 ------------------------ * Fixed bug that caused SASL mechanisms that require more than a single client response to fail. Reported by Steffen Kaiser and occured when he tried using the (obsolete) LOGIN mechanism. * Updated installation and configuration documentation to match the information provided in the wiki Installation ------------ The full installation procedure and other relevant information regarding ManageSieve is finally available on the Dovecot wiki at: http://wiki.dovecot.org/ManageSieve New releases: 1.0: (patch) http://www.rename-it.nl/dovecot/1.0/dovecot-1.0.13-MANAGESIEVE-v9.3.diff.gz http://www.rename-it.nl/dovecot/1.0/dovecot-1.0.13-MANAGESIEVE-v9.3.diff.gz… 1.1: (package + patch) http://www.rename-it.nl/dovecot/1.1/dovecot-1.1-managesieve-0.10.2.tar.gz http://www.rename-it.nl/dovecot/1.1/dovecot-1.1-managesieve-0.10.2.tar.gz.s… http://www.rename-it.nl/dovecot/1.1/dovecot-1.1.rc4-managesieve-0.10.2.diff… http://www.rename-it.nl/dovecot/1.1/dovecot-1.1.rc4-managesieve-0.10.2.diff… (my public key (id: 3DFBB4F4) can be found at wwwkeys.pgp.net) Have fun testing the Dovecot ManageSieve service. Don't hesitate to notify me when there are problems. Regards, -- Stephan Bosch stephan(a)rename-it.nl IRC: Freenode, #dovecot, S[r]us

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[Dovecot] Looking for suggestions: How to strip attachments from mails
by Patrick Nagel 20 May '08

20 May '08

Hi, I know this is not 100% on-topic, but I'll try anyway... I'm looking for a way to strip attachments from incoming mails on the server. The attachments should be stored on a file server (where users have access via SAMBA) and only a link to the file (UNC path) should remain in the mail body. This is to prevent the mail storage from filling up with a large amount of big mails where at the same time the 'payload' (attached file) is not conveniently accessible by the users. The current setup is postfix / dovecot deliver / dovecot (with sieve plugin). I'm considering piping the mails through something like mimeStrip.pl (http://freshmeat.net/projects/mimestrip.pl/) but therefore I'd probably need to bring procmail/maildrop into the game, right? Or are there other (better) ways to accomplish this? Patrick. -- STAR Software (Shanghai) Co., Ltd. http://www.star-group.net/ Phone: +86 (21) 5427 7799 x 826 Fax: +86 (21) 6485 0071 PGP key: https://stshacom1.star-china.net/keys/patrick_nagel.asc Fingerprint: E09A D65E 855F B334 E5C3 5386 EF23 20FC E883 A005

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[Dovecot] RFC 3516 - IMAP4 Binary Content Extension
by Anton Yuzhaninov 20 May '08

20 May '08

Is Binary Content Extension (rfc3516) support planned? -- WBR, Anton Yuzhaninov

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[Dovecot] child process killed with signal 11
by Zbigniew Szalbot 20 May '08

20 May '08

Hello, Today I have noticed such log entries May 19 23:57:32 relay dovecot: child 40857 (imap) killed with signal 11 I am using v. 1.0.13. Any idea what can be wrong? Dovecot does not die. It seems child processes are being killed. Thanks! -- Zbigniew Szalbot www.lc-words.com

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[Dovecot] messages downloading repeatedly to mozilla/seamonkey pop3 client
by Ben Julian 20 May '08

20 May '08

Hello Dovecot List, I am a bit of a sysadmin novice and this is my first time emailing, so please let me know if I have left some critical information out. I am supporting a small office network supported primarily by linux servers. All of my users are using dovecot as a pop3 daemon on a centOS 5 box, no IMAP users. Seven users are running outlook 2003 on windows XP, two users are running thunderbird on ubuntu, two are running evolution on ubuntu, and one is running mozilla seamonkey on XP. Emails to the mozilla/seamonkey user are downloading multiple times, but not to any of the other users. A typical maillog report following this user's mail client pop3 login: Mar 3 10:37:00 servername dovecot: pop3-login: Login: user=<user>, method=PLAIN, rip=::ffff:192.168.99.13, lip=::ffff:192.168.99.4 Mar 3 10:37:00 servername dovecot: POP3(user): mbox sync: UID inserted in the middle of mailbox /var/mail/user (84873 > 84872, seq=2, idx_msgs=3) Mar 3 10:37:01 servername dovecot: POP3(user): mbox sync: UID inserted in the middle of mailbox /var/mail/user (84877 > 84872, seq=2, idx_msgs=4) Mar 3 10:37:01 servername dovecot: POP3(user): Disconnected: Logged out top=0/0, retr=1/3364, del=1/1, size=3347 Things I've tried: *adding the following lines to dovecot.conf: protocol pop3 { pop3_uidl_format = %08Xu%08Xv pop3_client_workarounds = outlook-no-nuls oe-ns-eoh } *deleting the user's homedir mail directory (including all dovecot index files) *restarting dovecot *changing mail clients: tried outlook express, netscape 4.8, thunderbird on user's PC *restarting the server All changes resulted in only a brief (1-2hr) cessation of the problem. I've subscribed for a month or so now and searched the archives, but if I missed a solution to this in there, I apologize. Thanks, Ben Julian

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[Dovecot] Webmail Recommendation
by Peter Sparkes 19 May '08

19 May '08

Hi, I want to install webmail. I am using Dovecot with Exim4. Recommendations requested please. Thanks Peter Sparkes

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[Dovecot] Fixed a Duplicate?
by Nigel Allen 19 May '08

19 May '08

Greetings We have recently switched from mbox to Maildir so that we can implement symlinks for a large email account that is shared (partially) between some 20 or so users. The setup is dovecot-1.0.3-6.fc6, procmail-3.22-17.1, sendmail-8.13.8-2. Procmail has a single recipe in /etc/procmailrc that simply says "DEFAULT=$HOME/Maildir/". The problem is that I am seeing a lot of blank emails being created. For exaample, every time I open a folder from this shared account, I get either one or two emails being created on the spot. The are /always/ created with the current date and time stamp (i.e. now) and at the same time a tail -f of maillog shows something like this: > May 19 09:10:05 sydsrv56 dovecot: IMAP(plans): Fixed a duplicate: > dovecot-shared:2, -> 1211152205.P10039Q1.sydsrv56 The only thing that appears to change is the last modified date and time of the two files, dovecot.index.log and dovecot.index.cache. Should I be maintaining separate index files or lock files for each user in this shared account? Currently the Maildir is shared and has the g+s bit set. Any ideas where I can start looking would be appreciated. Rgds Nigel. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

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[Dovecot] compile troubles - stat.mtim - 1.1hg
by Daniel Black 18 May '08

18 May '08

having trouble compiling dovecot-1.1hg latest pull I'm amost thinking _GNU_SOURCE needs to be defined as its built to work Any suggestions welcome. make[4]: Nothing to be done for `all'. make[4]: Leaving directory `/home/dan/software_projects/dovecot-1.1/src/lib-storage/list' Making all in index make[4]: Entering directory `/home/dan/software_projects/dovecot-1.1/src/lib-storage/index' Making all in maildir make[5]: Entering directory `/home/dan/software_projects/dovecot-1.1/src/lib-storage/index/maildir' gcc -DHAVE_CONFIG_H -I. -I../../../.. -I../../../../src/lib -I../../../../src/lib-mail -I../../../../src/lib-imap -I../../../../src/lib-index -I../../../../src/lib-storage -I../../../../src/lib-storage/index -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -Wstrict-aliasing=2 -I/usr/kerberos/include -MT maildir-uidlist.o -MD -MP -MF .deps/maildir-uidlist.Tpo -c -o maildir-uidlist.o maildir-uidlist.c maildir-uidlist.c: In function 'maildir_uidlist_update_hdr': maildir-uidlist.c:322: error: request for member 'st_mtim' in something not a structure or union make[5]: *** [maildir-uidlist.o] Error 1 make[5]: Leaving directory `/home/dan/software_projects/dovecot-1.1/src/lib-storage/index/maildir' make[4]: *** [all-recursive] Error 1 make[4]: Leaving directory `/home/dan/software_projects/dovecot-1.1/src/lib-storage/index' make[3]: *** [all-recursive] Error 1 make[3]: Leaving directory `/home/dan/software_projects/dovecot-1.1/src/lib-storage' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/home/dan/software_projects/dovecot-1.1/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/dan/software_projects/dovecot-1.1' fgrep HAVE_STAT config.h /* #undef HAVE_STATFS_MNTFROMNAME */ /* #undef HAVE_STATVFS_MNTFROMNAME */ #define HAVE_STAT_XTIM /* #undef HAVE_STAT_XTIMESPEC */ from config.log configure:28085: checking if struct stat has st_?tim timespec fields configure:28117: gcc -c -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -Wstrict-aliasing=2 conftest.c >&5 conftest.c: In function 'main': conftest.c:104: warning: unused variable 'x' configure:28123: $? = 0 configure:28134: result: yes configure:28149: checking if struct stat has st_?timespec fields configure:28181: gcc -c -std=gnu99 -g -O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -Wstrict-aliasing=2 conftest.c >&5 conftest.c: In function 'main': conftest.c:105: error: 'struct stat' has no member named 'st_mtimespec' conftest.c:105: warning: unused variable 'x' configure:28187: $? = 1 configure: failed program was: Portage 2.1.4.4 (default-linux/amd64/2007.0, gcc-4.2.3, glibc-2.6.1-r0, 2.6.22-vs2.2.0.7-gentoo x86_64) ================================================================= System uname: 2.6.22-vs2.2.0.7-gentoo x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ Timestamp of tree: Sat, 17 May 2008 22:15:01 +0000 distcc 2.18.3 x86_64-pc-linux-gnu (protocols 1 and 2) (default port 3632) [enabled] app-shells/bash: 3.2_p33 dev-java/java-config: 1.3.7, 2.1.6 dev-lang/python: 2.4.4-r9 dev-python/pycrypto: 2.0.1-r6 sys-apps/baselayout: 1.12.11.1 sys-apps/sandbox: 1.2.18.1-r2 sys-devel/autoconf: 2.13, 2.61-r1 sys-devel/automake: 1.4_p6, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10.1 sys-devel/binutils: 2.18-r1 sys-devel/gcc-config: 1.4.0-r4 sys-devel/libtool: 1.5.26 virtual/os-headers: 2.6.23-r3 features.h #ifdef _GNU_SOURCE # define _BSD_SOURCE 1 #endif .... #if defined _BSD_SOURCE || defined _SVID_SOURCE # define __USE_MISC 1 #endif sys/stat.h includes bits/stat.h #include <features.h> .... struct stat { .... #ifdef __USE_MISC /* Nanosecond resolution timestamps are stored in a format equivalent to 'struct timespec'. This is the type used whenever possible but the Unix namespace rules do not allow the identifier 'timespec' to appear in the <sys/stat.h> header. Therefore we have to handle the use of this header in strictly standard-compliant sources special. */ struct timespec st_atim; /* Time of last access. */ struct timespec st_mtim; /* Time of last modification. */ struct timespec st_ctim; /* Time of last status change. */ -- Daniel Black -- Proudly a Gentoo Linux User. Gnu-PG/PGP signed and encrypted email preferred http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x76677097 GPG Signature D934 5397 A84A 6366 9687 9EB2 861A 4ABA 7667 7097

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[Dovecot] Postfix & Dovecot LDA
by Jochen Schulz 18 May '08

18 May '08

Hi, before I start to write a lengthy email about something that isn't really possible anyway: can I make Postfix use Dovecot's LDA and start it with different user IDs? My scenario: Dovecot authenticates users for Postfix and itself using Postgresql. Mails for two domains should be stored under /srv/<domain>/<user> (which is the location returned by my user_sql query and mail_location). When my clients login (with usernames of the form 'user@domain'), Dovecot creates/opens the correct mailboxes for them, but I can't get LDA to deliver to these mailboxes. Whatever I try, I am always running into some kind of permission problems (either for the mailboxes, or for auth_socket). I want to use a unique UID for every virtual domain, so I guess LDA needs to have permissions for every corresponding mailbox *and* Dovecot's auth_socket_path. Is there a good solution for this which doesn't involve severe security implications? J. -- If all my friends had Playstations I would buy a Nintendo to prove my individuality. [Agree] [Disagree] <http://www.slowlydownward.com/NODATA/data_enter2.html>

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[Dovecot] problem about mbox with quota
by Zhang Huangbin 18 May '08

18 May '08

Hi, all. Does mbox format support quota? I got this error in log file: dovecot: May 18 02:10:36 Error: POP3(www(a)a.cn): Unknown quota backend: storage=10240 How can i solved it? Thanks very much. :) My dovecot configuration: # /etc/dovecot.conf log_path: /var/log/dovecot.log protocols: pop3 pop3s imap imaps ssl_cert_file: /etc/pki/dovecot/certs/dovecotCert.pem ssl_key_file: /etc/pki/dovecot/private/dovecotKey.pem login_dir: /var/run/dovecot/login login_executable(default): /usr/libexec/dovecot/imap-login login_executable(imap): /usr/libexec/dovecot/imap-login login_executable(pop3): /usr/libexec/dovecot/pop3-login mail_location: mbox:/%Lh/%Ld/%Ln:INBOX=/%Lh/%Ld/%Ln mbox_write_locks: dotlock fcntl mbox_min_index_size: 10240 mbox_very_dirty_syncs: yes mail_executable(default): /usr/libexec/dovecot/imap mail_executable(imap): /usr/libexec/dovecot/imap mail_executable(pop3): /usr/libexec/dovecot/pop3 mail_plugins(default): quota imap_quota mail_plugins(imap): quota imap_quota mail_plugins(pop3): quota mail_plugin_dir(default): /usr/lib/dovecot/imap mail_plugin_dir(imap): /usr/lib/dovecot/imap mail_plugin_dir(pop3): /usr/lib/dovecot/pop3 pop3_client_workarounds(default): pop3_client_workarounds(imap): pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh auth default: mechanisms: plain login user: vmail passdb: driver: sql args: /etc/dovecot-mysql.conf userdb: driver: sql args: /etc/dovecot-mysql.conf socket: type: listen client: path: /var/spool/postfix/private/auth mode: 432 user: postfix group: postfix master: path: /var/run/dovecot/auth-master mode: 432 user: vmail group: vmail # /etc/dovecot-mysql.conf driver = mysql default_pass_scheme = CRYPT connect = host=127.0.0.1 dbname=vmail user=vmail password=6737$11626@27301!17044&11769*16758)17720 password_query = SELECT password FROM mailbox WHERE username='%u' AND active='1' user_query = SELECT 2000 AS uid, 2000 AS gid, "/home/vmail" AS home, maildir, CONCAT('storage=',quota) AS quota FROM mailbox WHERE username='%u' AND active='1' -- Best Regards. Zhang Huangbin - OpenBSD 4.2 -release, i386. - RHEL 5.1 Client

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[Dovecot] Security Hole in 1.0.13?
by Lawrence Sheed 18 May '08

18 May '08

I'm running 1.0.13 If I run dovecot for a while, I see a /var/run/dotvecot folder created with the following: drwxr-xr-x 3 root root 4096 2008-05-18 13:30 dotvecot drwxr-xr-x 3 root root 4096 2008-05-18 13:47 . drwxr-xr-x 18 root root 4096 2008-05-18 13:47 .. srw------- 1 root root 0 2008-05-18 13:47 auth-worker.15138 srwxrwxrwx 1 root root 0 2008-05-18 13:47 dict-server drwxr-x--- 2 root dovecot 4096 2008-05-18 13:47 login -rw------- 1 root root 6 2008-05-18 13:47 master.pid It appears to be created by imap-login I've tried removing any dovecot remnants and reinstalling from the 1.0.13 tar.gz from the site. After starting dovecot again after a few minutes the files appear. The processes are running something on 6243 and 6244 (Presumably an exploit / login) I have iptables setup to only allow existing ports in/out so I think thats saved me so far. I've switched to courier-imap in the interim. Anyone want to assist in finding out how they are getting in? Definitely dovecot related. If I don't run dovecot, seems secure. As soon as I run dovecot, after a few minutes - rooted... dovecot.conf cat /etc/dovecot/dovecot.conf base_dir = /var/run/dotvecot protocols = imap imaps listen = * disable_plaintext_auth = no shutdown_clients = yes syslog_facility = local7 #<-- Ensure this is set up in syslog conf ssl_disable = no login_max_processes_count = 128 login_max_connections = 256 login_greeting = K-Tex IMAP Server # <-- CUSTOMISE FORYOUR SITE login_process_size = 64 login_process_per_connection = yes login_processes_count = 16 ssl_cert_file = /var/qmail/control/servercert.pem # /usr/local/etc/ssl/ italy1-cert.pem ssl_key_file =/var/qmail/control/clientcert.pem # /usr/local/etc/ssl/ italy1.pem first_valid_uid = 89 first_valid_gid = 89 protocol imap { listen = *:143 ssl_listen = *:993 #mail_plugins = quota imap_quota #login_greeting_capability = no mail_plugin_dir = /usr/local/lib/dovecot/imap imap_client_workarounds = outlook-idle } auth_process_size = 512 auth_cache_size = 512 auth_cache_ttl = 3600 auth default { mechanisms = plain # vpopmail authentication passdb vpopmail { #args = } # vpopmail userdb vpopmail { } user = root } dict { #quota = mysql:/etc/dovecot-dict-quota.conf } plugin { quota = maildir } namespace private { prefix = INBOX. inbox = yes }

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[Dovecot] Development news
by Timo Sirainen 17 May '08

17 May '08

First a list of all the new features and their state: 1. http://hg.dovecot.org/dovecot-threadindexes/ THREAD=REFERENCES indexes. Missing NFS flushes, support for mmap_disable=yes, breaks when more than one session modifies at the same time. Not tested much if the replies are really correct at all. Also started THREAD=X-REFERENCES2 but it doesn't work as expected. 2. http://hg.dovecot.org/dovecot-virtualboxes/ Virtual mailboxes. Nothing changed since http://dovecot.org/list/dovecot/2008-March/029546.html 3. http://hg.dovecot.org/dovecot-condstore/ Implemented CONDSTORE, QRESYNC, ESEARCH, SEARCHRES and WITHIN extensions. The only known problem left is making CONDSTORE's STORE UNCHANGEDSINCE operation atomic, but it requires changing transaction log file format. Maybe I'll do it and just make v1.1 and v1.0 be able to read the format and just ignore the modseq in the record. Those code trees don't contain all the latest changes from v1.1 tree. So at some point I'll start merging all of them into one dovecot-1.2 code tree. v1.1 is coming along pretty nicely. I'll make a new RC release in a few days. After that probably one more and then v1.1.0. Tomorrow begins a 5 week lab course at school. Every day and about 8 hours a day. And then we'll also have to write these reports about what we have done and how/why, which takes quite a lot of time as well. After 5 weeks there's one free week and then probably another 2 week lab course if I get selected there. So I doubt I can get much Dovecot work done for the next two months. It's also likely that I won't be answering mails much in this list either.

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[Dovecot] mysql index control allow nets
by Evaggelos Balaskas 17 May '08

17 May '08

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 hi, I am using dovecot 1.0.13 with sieve plugin, index, control and allow nets in my userdb per user. I am trying to have the same configuration with dovecot 1.1 and MySQL. According to log files when a virtual user is connecting to dovecot, the dovecot reads from MySQL the correct values but dovecot doesnt create the dirs for INDEX, CONTROL and the allow_nets is bypasses. - From my logs : dovecot: May 14 20:56:23 Info: auth(default): master out: USER 12 ebalaskas(a)ebalaskas.gr uid=1002 gid=8 mail=maildir:/var/mail/ebalaskas.gr/ebalaskas INDEX=/var/mail/.index/ebalaskas.gr/ebalaskas CONTROL=/var/mail/.control/ebalaskas.gr/ebalaskas allow_nets=10.10.10.192 The connection is ok (i tested via telnet and webmail) but my IP is : 10.10.10.102 and there isnt any /var/mail/.index/ebalaskas.gr/ebalaskas or /var/mail/.control/ebalaskas.gr/ebalaskas folders The only thing is the folder : var/mail/ebalaskas.gr/ebalaskas the dovecot-sql.conf is correct (you can see this from my logs) so what is wrong ??? Evaggelos Balaskas - http://ebalaskas.gr Unix System Engineer Informatics Engineer Technological Education -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFIKykUWIK+Pe9twhoRAhemAJ0ff793TAsqhDhrAZ7pbATLmDrJggCfXjDZ Cfiojr0LoJc0Vtif6XjfoTs= =Jeph -----END PGP SIGNATURE-----

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