- dovecot - dovecot.org

[Dovecot] prefetch userdb on 1.0.alpha4
by Feraudet Cyril 09 Dec '05

09 Dec '05

Hi all, I've a problem with prefetch userdb function on 1.0.alpha4 ? I get this : Error: auth(default): ldap(mylogin,10.3.245.xxx): Multiple password replies Info: auth(default): ldap(mylogin,10.3.245.xxx): base=dc=boursorama,dc=fr scope=subtree filter=(&(objectClass= boursoramaMailAccount)(mailInternalAllowedProtocol=imap)) fields=uid,userPassword An ldapsearch with the same filter give to me only one reply ... Have you an idea ? Thanks, Cyril Feraudet parts of my dovecot.conf : ---------------------------------- protocol imap { } protocol pop3 { pop3_uidl_format = %v.%u } auth_debug = yes auth default { mechanisms = plain passdb ldap { args = /etc/dovecot/dovecot-ldap.conf } userdb prefetch { } user = root } parts of my dovecot-ldap.conf : ----------------------------------------- user_attrs = uid,,,,, user_filter = (&(objectClass=boursoramaMailAccount)(uid=%u) (mailInternalAllowedProtocol=imap)) pass_attrs = uid,userPassword pass_filter = (&(objectClass=boursoramaMailAccount) (mailInternalAllowedProtocol=imap)) default_pass_scheme = CRYPT

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[Dovecot] rpmbuild error on dovecot 0.99.11
by Adrian Mak 09 Dec '05

09 Dec '05

my linux server is redhat AS 3 update 5. I download dovecot 0.99.11 source rpm to rebuild a binary rpm package I issued command rpmbuild -ba dovecot.spec after a few mins of works, rpmbuild process stopped with errors .............. gcc -DHAVE_CONFIG_H -I. -I. -I../.. -O2 -g -pipe -march=i386 -mcpu=i686 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -I/usr/kerberos/include -c unlink-lockfiles.c gcc -DHAVE_CONFIG_H -I. -I. -I../.. -O2 -g -pipe -march=i386 -mcpu=i686 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -I/usr/kerberos/include -c utc-offset.c gcc -DHAVE_CONFIG_H -I. -I. -I../.. -O2 -g -pipe -march=i386 -mcpu=i686 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -I/usr/kerberos/include -c utc-mktime.c gcc -DHAVE_CONFIG_H -I. -I. -I../.. -O2 -g -pipe -march=i386 -mcpu=i686 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -I/usr/kerberos/include -c var-expand.c gcc -DHAVE_CONFIG_H -I. -I. -I../.. -O2 -g -pipe -march=i386 -mcpu=i686 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast -I/usr/kerberos/include -c write-full.c rm -f liblib.a make[3]: AR@: Command not found make[3]: *** [liblib.a] Error 127 make[3]: Leaving directory `/usr/src/redhat/BUILD/dovecot-0.99.11/src/lib' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/usr/src/redhat/BUILD/dovecot-0.99.11/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/usr/src/redhat/BUILD/dovecot-0.99.11' make: *** [all-recursive-am] Error 2 error: Bad exit status from /var/tmp/rpm-tmp.11388 (%build) RPM build errors: Bad exit status from /var/tmp/rpm-tmp.11388 (%build) What's the meaning of these errors ?

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[Dovecot] dotlock & NFS
by Marten Lehmann 09 Dec '05

09 Dec '05

Hello, is dotlock supposed to work with NFS? I noticed that the default-locking method causes problems even with nfslockd started. Regards Marten

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[Dovecot] Dovecot auth patch updated for Postfix 2.3-20051121
by /dev/rob0 09 Dec '05

09 Dec '05

Once again I have updated Timo's auth patch for Postfix 2.2.1 to work with a 2.3 snapshot. It applied cleanly and compiled and is running for me, but is not really tested. This is Timo's code, not mine. All I did was manually edit in the rejects from the old patch. Find it here if you're interested: http://www.nodns4.us/postfix-2.3-20051121-dovecot-auth.patch.gz md5sum: 6f01782a118f5407f1ed40f4714504cd postfix-2.3-20051121-dovecot-auth.patch.gz The original patch is here: http://dovecot.org/patches/postfix/postfix-2.2.1-dovecot-auth.patch -- mail to this address is discarded unless "/dev/rob0" or "not-spam" is in Subject: header

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[Dovecot] Controlling Dovecot with Webmin
by Lee MSN 08 Dec '05

08 Dec '05

Dear Sir I have just setup a Fedora 4SE server, with Webmin - latest production release and Dovecot .99.14. The only way to start dovecot is to be logged into the server as root - locally or ssh, and type the dovecot command. >From Webmin - logged in as ROOT, when I attempt to start Dovecot it tells me that it can't because it can not open the config file - permission denied. This indicates to me that Webmin is not really logged in a "root" but that doesn't seem right since I use root/password when I access the server per the Webmin instructions. Also, in the Webmin configuration for that server - it references a master.pid file. Which did not exist. I tried to create a pid file using the PID (19638) of the Dovecot service. That did not help the start up problem, but I am sure needs to be fixed before I can have the service start on boot up?? I got the PID number after starting Dovecot and then going and seeing the services that where then running. The user/group Dovecot where created during the install. Sendmail is running along with SpamAssassign. When I start Dovecot, logged in as root at shell, everything runs well, email is processed all the way through. Do you know how to resolve this problem of controlling Dovecot through Webmin and making sure the Dovecot will start on reboot of the server. Thank you very much. Lee D. I am new to setting up linux servers like this. _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today - it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

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[Dovecot] Dovecot login hangs often
by P P Anwar 08 Dec '05

08 Dec '05

Hi - We have dovecot version : 0.99.11 release : 2.EL4.1 on Centos 4.2, with an LDAP backend (Samba PDC) and pam set to authenticate against LDAP. Dovecot is set to use pam for authentication. It uses mbox, and the machine has very little load (95% idle, no memory pressure). Every 36 hours or so, no users are able to login to imap (we have only imap enabled). Other services that use the same backend are working fine (like squid and ssh logins) even while this is happening. So we are not sure if we can blame this on pam/ldap problems. When this happens, we tried a "service dovecot restart", and that results in saying the "address is in use". About 10 "imap-login" processes seem to lurk around holding on to the imap port. We can get dovecot service to start again, only after a "killall -9 imap-login". What kind of debug should we enable so that you all can diagnose this further ? Any other configuration things that we should try ? We prefer to stay with Redhat/Centos releases, but if this is already reportedly fixed in one of the later builds, we are open to trying one. Regards, Anwar.

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[Dovecot] mysql auth 4.1.x with dovecot alpha 4 fails ...
by wiki kaha 08 Dec '05

08 Dec '05

I've dovecote on openbsd running. after using mysql 4.1.15 the authentication with dovecote fails. When I use no password, it works. There seem to be a problem? Is this a known topic? regards Karl-Heinz __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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[Dovecot] Re: corrupt attachments
by Brian Thompson 08 Dec '05

08 Dec '05

Hello all, any suggestions on this? It seems like a pretty serious issue and it hasn't reoccurred since we switched back to UW imapd. As I mentioned, it seems to be related to dovecot compiled on Solaris 10/x86... The same code compiled on Solaris 8/sparc seemed to work well. -Brian Brian Thompson wrote: > > Not sure if this has already been covered, but any pointers > or suggestions would be greatly appreciated. > > We just realized last night that dovecot-stable seems to be > corrupting the attachments within users' inboxes. > > In an attempt to resolve the problem, we upgraded the > mail server here to Dovecot 1.0alpha4 but it didn't help. > > To the best of our knowledge we didn't start experiencing > this phenomena until we migrated from Solaris 8/Sparc > to Solaris 10/x86 about 3 weeks ago. > > To be more specific: > A non-corrupt attachment can be sitting within a user's > mail spool (mbox format) and live there without a problem > until an imap client goes to download the attachment via > dovecot. > > At that time, dovecot seems to be stripping the last four > characters from each base64 encoded ascii line within the > attachment and rewriting the message within the mail spool > without those characters. From then on, the attachment is > permanently corrupt, even via local unix direct file access > clients such as pine or elm. > > We've temporarily switched back to UW imapd, but users > have noticed the decrease in speed - not having the indexing > available. > > Again, any suggestions would be greatly appreciated. > > Thanks, > Brian > > >

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[Dovecot] "pop before smtp" dovecot.conf
by Jean-Marc Pigeon 07 Dec '05

07 Dec '05

Bonjour a Tous, I would like to generate (on the fly) a list "popbeforesmtp" when dovecot POP/IMAP authentication succeed. Intended Format will/should be such as: 'timestamp_in_second' user_id remote_ip one user per line. My guess we have all the needed information within dovecot to make such list. But I have seen no way to 'trick' dovecot (dovecot-1.0.alpha3) to do it... Could someone on the list able to give me some advices? I know there is Perl script to scan maillog file and extract information from collected data, but this seem to me 'a kind of the very last option'.... May be the trick can be achieved using 'executable' function? Ideally I'll like to have an entry in dovecot.conf, like... popbeforesmtp=/somewhere/in/the/tree A bientot -- ========================================================================== Jean-Marc Pigeon Internet: Jean-Marc.Pigeon(a)safe.ca SAFE Inc. Phone: (514) 493-4280 Fax: (514) 493-1946 REGULUS, a real time accounting/billing package for ISP REGULUS' Home base <"http://www.regulus.safe.ca"> ==========================================================================

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[Dovecot] Pop-before-smtp and MySQL?
by Matteo Garofano 07 Dec '05

07 Dec '05

Hi, I found that dovecot have many nice features. Now I write because I'm tring to setup the dovecot server, I would substitute a qpopper daemon (patched for mysql authentication) The problem I find is to set up the pop-before-smtp using sql (mysq) as written in http://wiki.dovecot.org/moin.cgi/PopBSMTPAndDovecot (Waiting for post_login ;-) I would use the script popbsmtp.sh and not a perl pig. (I'm using qpopper patched to store the relay IP in mysql and it works) I set .my.cnf in /root What happen is that the $3 don't contain the IP that should be written to the DB. Is there something I miss ? I tried to modify the dovecot.conf file like this mail_executable = /usr/local/libexec/dovecot/popbsmtp.sh /usr/local/libexec/dovecot/pop3 %r "%r" and it write to the db the litteral value %r and not the ip, otherwise it write nothing. the connection with mysql works and any other operation on it works. this should be the last step for my setting. Have you any hint? Thanks in advance and best regards Matteo Garofano

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[Dovecot] Dovecot.conf
by Clovis Tristão 07 Dec '05

07 Dec '05

Hi, I am mounting a server of email with the Dovecot as MUA, i would like to restrict the access to imap and ipop to one determined range of IP. As I configure this in dovecot.conf, I did not understand the functioning of listen = * or [: ] Thanks a lot, Clovis -- Clóvis Tristão -------------------:-oo)---- Seja Legal, use GNU/Linux ----------------------------------------

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[Dovecot] Tools to analyze status/stats?
by wolff 07 Dec '05

07 Dec '05

Hello, I recently installed dovecot on a server running Debian. I only have 10 users, but we probably have 6Gig of email between us. Things were working flawlessly for a couple of weeks, and I'm still getting email, but the last few days we are getting fewer emails that we typically do. So although things seem to be working well, everyone is suspicious something is wrong due to the lack of email volume. Is there a size limit that dovecot can manage? Are there any admin tools to get status messages for dovecot? Are there any reporting tools to show how many messages are processed/managed by dovecot? Thanks!!

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[Dovecot] 1.0alpha4: pop3_reuse_xuidl patch
by grant beattie 06 Dec '05

06 Dec '05

hi all, this is needed to make the pop3_reuse_xuidl option work in 1.0alpha4. I am using maildir and I noticed that for each message which doesn't have an indexed X-UIDL header, the entire message is read from disk. as this is reading only headers, it is probably reasonable to stop reading at the end of the headers. it would also be neat if dovecot could be configured to only try reading X-UIDL headers from messages if the mailbox indexes don't exist, since I guess it would be common to want to preserve existing X-UIDLs but not bother for new messages (perhaps some mtime comparison, or something). opinions? I haven't looked at the source enough yet to be able to do this, but these two optimizations would vastly reduce the amount of disk IO as a result of using this option. grant. [apologies if this shows up twice, I originally sent it from an address which isn't subscribed, and it got held] --- src/pop3/commands.c.orig 2005-10-17 02:21:39.000000000 +1000 +++ src/pop3/commands.c 2005-11-09 15:26:15.000000000 +1100 @@ -567,6 +567,8 @@ mail_get_first_header(ctx->mail, "X-UIDL"); if (uidl == NULL) var_expand(str, uidl_format, tab); + else + str_append(str, uidl); ret = client_send_line(client, "%s", str_c(str)); t_pop();

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[Dovecot] Unknown message data
by Paul 06 Dec '05

06 Dec '05

Running 1.0-alpha4 on Sarge, when I move a message with a blank subject from one mailbox into another, and then open that destination mailbox in Pine, Pine gives me the error "Unknown message data: 1001 FETCH", where 1001 is the UID of the message. Paul

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[Dovecot] Struggling with namespaces...
by Kev Latimer 06 Dec '05

06 Dec '05

Hi all, I've been using dovecot 0.99x as a basic POP3/IMAP server at a couple of sites for a few months now and am very happy with it's simplicity, stability and performance, especially over the rather 'clunky' courier and the mammoth cyrus. I'm building up a top level mail server for our organisation and am desperate to use dovecot in there but I'm really struggling with using namespaces to create some shared maildirs - note that in this case I'm using the 1.0alpha4 debian packages that recently made it into 'etch'. I have very simple requirements here - I just want to be able to have some common folders subscribable by certain users, for my testing an announcements folder accessible by all and an archive folder I want to place some restrictions on. Whenever someone needs access to someone elses folder (ie. holiday watch), symlinking should be sufficient. I can start up dovecot, log in as a user (I authenticate against LDAP btw), see the directories specified in my namespace directives be created but I can't subscribe to anything. Squirrelmail gives an error stating "[TRYCREATE] Mailbox doesn't exist: archives" while Thunderbird shows the folder names in grey and refuses to subscribe. Am I missing the point of namespaces or have I failed to create something in the folders to get them to play? I read something about a dovecot-shared file but I think this is a 0.99 thing, although I tried creating the file with the permissions I wanted applied to the folder and it didn't do anything... I did notice that when the folders are created, they are created owned by the first user logged in. I have tried chmod'ing them to 777 to see if it makes a difference, but alas, no. The relevant bit of dovecot.conf is: namespace private { separator = / #prefix = #location = inbox = yes #hidden = yes } namespace public { separator = / prefix = announcements/ location = maildir:/var/mail/announcements/Maildir } namespace shared { separator = / prefix = archives/ location = maildir:/var/mail/archives/Maildir } I'm sure I'm just being picky, but a better explanation of namespaces in the docs might be in order, maybe with some examples. If I get this sussed out, I'll put one in the wiki ;) Any help much appreciated! Kev

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[Dovecot] 1.0.alpha4 process creation wierdness
by Mark Rosenstand 06 Dec '05

06 Dec '05

Hi list! I'm a little confused. I have set "login_process_per_connection = yes" and "login_processes_count = 1", and this is how my pstree looks when nobody is connected: dovecot -,- dovecot-auth `- imap-login However, when I connect with a client it looks like this: dovecot -,- dovecot-auth |- imap `- 2*[imap-login] I would expect it to only have one imap-login running. Anyway, when I disconnect the client, the imap process exits but imap-login keeps running: dovecot -,- dovecot-auth `- 2*[imap-login] This is when it gets really wierd. When I connect a client again, my pstree looks like I would have expected it to on my first connect: dovecot -,- dovecot-auth |- imap `- imap-login If I re-connect, we start over again (i.e. dovecot-auth, imap, 2 * imap-login). Anybody got a clue what's going on? :-) -- .-. Mark Rosenstand (-.) oo| cc ) /`'\ (+45) 255 31337 3-n-( (\_;/) mark(a)borkware.net _(|/`->

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[Dovecot] Feature/bug starting from xinetd
by Geoffrey S. Mendelson 06 Dec '05

06 Dec '05

Hi, I hate to have my first post be a bug, but this drove me crazy for a while. I compiled the latest version from source and followed the instalation instructions. I then copied the xinetd.d entries from the Wiki and proceded to test. No matter what I did I could not log on. I found that while I was editing /usr/local/etc/dovecot.conf, nothing was hapening. I then started it manualy and found several errors in my editing. :-) After fixing the errors and getting it to work properly, I went back to running it from xinetd. It would not allow me to log on, nor would it use any of the loging options I set. After making a symlink from /usr/local/etc/dovecot.conf to /etc/dovecot.conf, it worked perfectly. My suggestions: 1. Change the Wiki to point out the difference in the config file location. 2. Change the inetd version to default to /usr/local/etc. 3. Add (and/or document) an option to the inetd version to specify config file location. Thanks, Geoff. ( A very happy Dovecot user, thanks for a good product). -- Geoffrey S. Mendelson, Jerusalem, Israel gsm(a)mendelson.com N3OWJ/4X1GM IL Voice: (07)-7424-1667 IL Fax: 972-2-648-1443 U.S. Voice: 1-215-821-1838 You should have boycotted Google while you could, now Google supported BPL is in action. Time is running out on worldwide radio communication.

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[Dovecot] New Install Assistance
by Cliff Hayes 06 Dec '05

06 Dec '05

Hello, I built a Fedora 4 sendmail server to replace our old one. I wanted to try the stock Dovecot popper (we currently use pop3d). I tried implementing Dovecot this morning and failed. All I want to use is the POP portion (no IMAP). From what I could find on the Internet, all I had to do is change dovecot.conf protocols line to read like this: protocols = pop3 Apparently, that wasn't enough. Here are the errors I saw in maillog: Oct 31 07:54:23 sendmail dovecot: child 25511 (pop3) returned error 89 Oct 31 07:54:24 sendmail pop3(cliffhayes): mbox: Can't create root IMAP folder /home/cliffhayes/mail: Permission denied Oct 31 07:54:24 sendmail pop3(cliffhayes): MAIL environment missing and autodetection failed (home /home/cliffhayes) Now, I did find out that I had a permissions problem with /var/spool/mail (I had done an SCP of all our users to var/spool/mail on new box). All user mailboxes had root/root as user/group. I know how to fix that for next time, but why is it trying to use a home directory (we don't use those)? And what MAIL environment is missing? Do I need to mess with the following settings: # default_mail_env = maildir:/var/mail/%1u/%u/Maildir # default_mail_env = mbox:~/mail/:INBOX=/var/mail/%u # default_mail_env = mbox:/var/mail/%d/%n/:INDEX=/var/indexes/%d/%n Thanks, Cliff

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[Dovecot] Big quota problem
by Riccardo Bini 06 Dec '05

06 Dec '05

Hi, I'm using dovecot 1.0a3. I setup my system with quota filesystem. If a user is over quota and he try to read the email in pop3 dovecot return the following error: Oct 14 18:51:59 blackhole dovecot: pop3(user): write_full(/home/user/Maildir/dovecot-uidlist.lock) failed: Disk quota exceeded I think it's a big problem. Rick

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[Dovecot] Dovecot and loadbalancer
by Cyril Feraudet 06 Dec '05

06 Dec '05

Hi all, I've 4 servers with dovecot and ldap authentication behind a loadbalancer (Alteon). To connect to dovecot, client need to use a vip of the loadbalancer. To connect to the ldap server, dovecot need to use the loadbalancer cause there are several ldap server. The loadbalancer close a connection without activity during 30mn Dovecot lauch several authentication process who have a connection to the ldap server each. Each client (user) have several imap connection to dovecot. I've 2 problemes : - If a client (thunderbird for ex.) don't use a connection during 30mn, the loadbalancer delete this connection from his connection table and the client seem not able to correctly reopen another - If a dovecot authentication proccess want to request ldap but haven't do it in the last 30mn, it fail an say that the authentification fail. Somebody have already use dovecot in a redundent environnement ? Have you an idea to solve these problems Thanks, Cyril Feraudet

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[Dovecot] New mailbox format
by Timo Sirainen 06 Dec '05

06 Dec '05

I've been doing some thinking on a new better mailbox format that'd be faster than mbox and maildir for most common uses. Comments welcome. It won't come to Dovecot v1.0, but I'll probably create another branch to Dovecot CVS where I'll start implementing it and some other possibly destabilizing changes. Generic ------- The point is to have a mailbox format where the mailbox can consist of one or more files. Grouping multiple files in a single file makes it faster to read, but it's slower to expunge mails from the beginning of the file. So this format would allow sysadmin to specify rules on how large the files would be allowed to grow. This format is mostly designed to work nicely with separate index files such as Dovecot has. The flags are stored in the mailbox files mostly as a backup in case the index gets lost or corrupted. Index File ---------- Named "index". Index file gives a mapping between UIDs <-> filenames: Header: <uidvalidity> <last-used-uid> Record: <uid-first> <uid-last> <filename> Record: .. eg.: 1127468129 5 1 3 msg.1 4 4 msg.4 All of the UIDs don't have to actually exist in the file if they have been expunged. The record should be removed once all of the UIDs have been removed from it (and the file itself been deleted). The same file may appear multiple times in the index. For example: 1 2 msg.1 3 3 msg.3 4 5 msg.1 This means that UIDs 1, 2, 4 and 5 are in file msg.1, but UID 3 is in file msg.3. The filename doesn't matter as long as it's unique, but probably wouldn't hurt to include its first UID in the filename so humans can find mails more easily. The filename however must not end with ".lock". The file is modified by creating first exclusively owned "index.lock" file, updating it and then rename()ing it over the index file. This lock file shouldn't be held for a long time, so if it exists, and it doesn't get modified at all within 30 seconds, it can be overwritten. Before rename()ing over the index file, you should check with stat() that the index.lock file is still the same as you expect it to be (in case your process was temporarily stopped for over 30 secs). The index file's mtime timestamp must grow after each modification. This makes it easy to check if new mail has been added to the mailbox. Mail File --------- File header: Bytes Format Description 8 hex Header size 16 hex Append offset 4 hex Mail header size 4 hex Mail header padding 4 hex Keyword count in mail headers Mail header: Bytes Format Description 8 hex UID 16 hex Mail size 1 1/0 Answered flag 1 1/0 Flagged flag 1 1/0 Deleted flag 1 1/0 Seen flag 1 1/0 Draft flag 1 1/0 Expunged flag n 1/0 Keywords The file layout then goes: <File header> - possible padding due to Header size <Mail header #1> - possible padding due to Mail header size <Mail data #1> - possible padding due to Mail header padding (ie. next Mail header's offset is divisible with Mail header padding) <Mail header #2> etc.. The UIDs must be ascending within the file (but as said above, some UIDs between them may exist in other files). When the file is opened, it must be shared locked with flock(). Expunging mails requires exclusive flock(), so expunges can't happen while someone is still reading the file. Mails can however be marked with expunged-flag, and such mails should be treated as if they are already expunged. Expunged flag must not be removed. If the mail for some reason is wanted to be un-expunged, it must be copied as a new mail with new UID to the mailbox. Modifying flags doesn't require any locks. You'll simply write over those flags you wish to change. That's why each flag takes one byte. Safest way to expunge is to copy all non-expunged mails after the first expunged one to new file. Then update the index file with the new location for the UIDs, and at last ftruncate() at the position of first expunged mail in the original file. Alternative way to expunge is to just move the data over the expunged mails and fruncate() at the end. No index file updates necessary. This is more filesystem quota friendly, but if the expunging gets aborted in the middle it will corrupt the mails. Appending mails can be done by either locking existing file with a dotlock and appending to it, or creating a new file. If appending to existing file, also flock() it so expunging won't happen in the middle of append. If appending to new file, create it with .lock suffix and then check that the file without .lock wasn't already just created. When appending to existing file, check "Append offset" from file's header. If that offset is at the end of file, just append there. Otherwise read the mail's header from there. If it has a non-zero UID and index file says that the same UID exists in this file, jump over the mail and do the same checks for all the rest of the mails in the file. Once the check doesn't match or you reach EOF, update the append offset in the header to that offset and write your mail there. Initially write the UID in mail's header as zeroes ('0', not NUL). Once the append is completely finished, you'll have to update it with the new UID. You'll do this by locking index file, reading the latest last-used-uid and using the next value for your UID. Once you've written it, rewrite the index file with updated last-used-uid field and your UID added to it. After this, update the append offset in the mail file and unlock it. Keywords file ------------- Named "index.keywords". This contains mappings between keyword numbers and names. TODO: may be problematic with lockless flag writes.. Recent file ----------- "index.recent.<uid>" file tells what the last non-recent UID was. The file doesn't have any data inside it. When opening the mailbox you should find and rename() the existing index.recent.<uid> file to the new index.recent.<last-uid>. A successful rename() means the mails between <uid>+1 .. <last-uid> are recent for you. A failed rename() means that someone else managed to do it. You should look for the file again and if it was renamed to less than <last-uid>, you should try again. Nightly cleanups ---------------- Because expunged mails may be left lying around for a while, there probably should be some nightly check that cleans them up. Other cleanups that may be necessary after crashes are: - .lock files - expunged data at the end of files (can be checked with same rules as how appending determines the offset where to append) One problem with nightly expunging is how to expunge mails if the file is still locked by some process. Forced shutdowns may be annoying to users and can be difficult to implement.. Alternative locking strategy ---------------------------- The locking strategy as described above is optimized for high concurrency: Only if mail file is in the middle of being expunged, we're waiting on locks. With appending we may be waiting for existing appends to finish if we don't wish to create a new file for some reason. Other than those, reading and flag updating are completely lockless. The two downsides to this are: 1. flock() isn't available everywhere. It could however be replaced with fcntl() if that's available. NFS may not have either. 2. Expunges can't happen while multiple processes are accessing the mailbox at a same time. This may be a problem if the mailbox never has less than two processes accessing it. The alternative to flock()ing would be to simply handle unexpected end-of-file reads as a sign of expunge, which would require re-reading index file to see where the mails went (or if they were really expunged). This has two problems however. One is that flag writes couldn't catch expunges without locking, and another is that if you've already sent half a mail to IMAP client, you have no other choice than to disconnect the client if you can't send the rest of the mail. It might be worth it optionally. Especially for NFS people. Then you'd basically have the dotlock file that locks appends, expunges and flag updates. Reading would still be lockless. Also for the best performance the mail flags could be stored only in Dovecot's index files. In that case there's no need to update flags and the only downside with this locking strategy would be the potential disconnections, which probably aren't all that bad. Compatibility ------------- If needed, it would be possible to create new/ and tmp/ directories under the mailbox to allow mail deliveries to be in maildir format. The maildir files would be then either just moved or maybe be appended to existing mail files.

19 52

[Dovecot] Still weird UID ordering issues with maildir
by Todd Vierling 06 Dec '05

06 Dec '05

Nightly 20050829 (includes everything currently in nightly/ChangeLog): Sep 1 09:25:02 server dovecot: imap-login: Login: user=<tv>, method=PLAIN, rip=192.168.1.1, lip=192.168.1.3, TLS Sep 1 09:25:02 server dovecot: IMAP(tv): Maildir /home/tv/.maildir sync: UID < next_uid (1187 < 1188, file = 1125581033.7788_2.server.duh.org:2,) repeated every time I try to login. I had to nuke the dovecot indexes and let it reindex (which throws off the ordering of some messages). It had been working without incident since updating to 20050829, until now. -- -- Todd Vierling <tv(a)duh.org> <tv(a)pobox.com> <todd(a)vierling.name>

6 18

[Dovecot] 1.0-alpha2: assertion failed
by Wolfram Schlich 06 Dec '05

06 Dec '05

Hi, I am experiencing some problems with Dovecot 1.0-alpha2: --8<-- Sep 20 13:54:45 mailgateway dovecot: imap(support): file mail-index-view-sync.c: line 168 (mail_index_view_sync_begin): assertion failed: (!view->syncing) Sep 20 13:54:45 mailgateway dovecot: child 27047 (imap) killed with signal 6 --8<-- I tried to make it core as described in http://www.dovecot.org/bugreport.html, but without luck. The problem only happens to two accounts/users, which are used by more than one remote user/client at once. Dovecot OS is Linux 2.4.30 on RedHat 7.3. Clients are Thunderbird 1.0.6 on Linux and Windows. The mail storage format is Maildir. The indexes are stored in memory or in a separate directory (tried both). Any hints? -- Wolfram Schlich

2 3

[Dovecot] Segfault when using multiple servers
by Marc Maurer 06 Dec '05

06 Dec '05

Should it be possible to run multiple dovecot servers on the same mailboxes (Maildir in my case)? I've a setup where 2 dovecot 0.99.13 servers write to the same mailboxes, which dovecot apparently does not like too much. Example (using imap): - Login with mail client on server1 - Login with webmail on server2 - Delete a mail using webmail on server2 - Hit send/receive in the mail client Result: server1 segfaults. Is such a setup, which is basically a loadbalancing setup, allowed at all by dovecot? Cheers, Marc

2 1

[Dovecot] mbox separators ignored
by Kenneth Porter 06 Dec '05

06 Dec '05

Using dovecot-0.99.13-4.FC2 I grabbed a bunch of Mailman archive files from the Weather mailing list here: <http://www.buoy.com/pipermail/weather/> I gunzipped the older ones, then concatenated them all in correct order to create one big mbox file. I dropped it into my ~/mail folder and started my IMAP client (Mulberry) and opened the new Weather folder. It shows one gargantuan concatenated message, instead of lots of more reasonable-sized ones. The messages appear to be properly separated by "<linefeed><linefeed>From<space>". Why doesn't dovecot parse them into separate messages? I double-checked and removed any header lines with Content-Length, X-UID, X-IMAPbase, and X-Keywords. So this should look like a new mbox file with new content delivered by procmail. What's confusing dovecot?

2 1

[Dovecot] Maildir quota's
by Lieven Van Acker 05 Dec '05

05 Dec '05

Hey, is http://www.dovecot.org/patches/1.0/quota.tar.gz supposed to work with maildir quota's for virtual mailboxes? Using it with dovecot-lda (cvs) results in DSN Your message was automatically rejected by Sieve, a mail filtering language. The following reason was given: Internal quota calculation error Thanks, Lieven

4 3

[Dovecot] Dovecot-auth <defunct>
by Son Nguyen Truong 05 Dec '05

05 Dec '05

We have used qpopper on our email server RH 9 for long. But recently as the number of people using the server has increased too fast we have to switch to dovecot. Things seem to be OK with the rate users post and receive emails. But from that time very often I see this when top: . dovecot-auth <defunct> And some people sometimes have to restart their outlook to receive emails Could any give us a hand to solve this problem. Thanks and regards,

1 0

[Dovecot] Virtual domain support using more than one MySQL database
by Dragiša Durić 04 Dec '05

04 Dec '05

For historical reasons I am stuck with situation where hosted domain users have their Mailbox info in mysql enabled vpopmail and our ISP's users have their info in nss_mysql. While I can easily move my users from vpopmail's mysql database to something more "native" to Dovecot, I see no problem to configure Dovecot, as I've already configured Postfix, to use this database directly and access mailboxes without problem. And I would not like to make separate auth database for ISP's users, as I don't like to have two watches when one suffice. Under courier-imap, I've configured my vpopmail domains to authenticate using it's vchkpw module, and mysql was left to me to be configured to use nss_mysql. It works well. Is it possible under Dovecot, and how? Is it possible to to MySQL auth using two different databases? It would be the best. TIA, dd

1 0

[Dovecot] Dovecot strange behaviors on Solaris
by Mario Nigrovic-rvvk40 03 Dec '05

03 Dec '05

Folks - I've been using Dovecot for some time now, but have only recently upgraded to 1.0alpha4. I'm struggling to get my configuration right and I'm seeing some truly bizarre issues. My Setup: Solaris 2.8 / Thunderbird / Procmail / Dovecot 1.0alpha4 My mail setup is only for me, so Dovecot runs at an odd port and under my userID. All my mail is in my home directory, which is on NFS (NetApp). The main mail receiver is a different machine which mounts my home directory. Typical entry from .procmailrc: :0 * ^(From|To|CC):.*@.*\<si2.org Maildir/.SI2/ Highlights from dovecot.conf: #default_mail_env = maildir:%h/.mail/Maildir:INDEX=/var/tmp/mario/dovecot default_mail_env = maildir:%h/.mail/Maildir:INDEX=MEMORY mmap_disable = yes #lock_method = flock lock_method = fcntl #lock_method = dotlock protocol imap { listen = *:2143 } auth_worker_max_count = 0 auth default { mechanisms = plain userdb passwd { } } When I run as above (INDEX=MEMORY), I have access to all my mail, but I'm seeing literally thousands of .nfs files created all throughout my .mail/Maildir directories, and Thunderbird periodically locks up. As the filesystem fills with useless .nfs files (I deleted 10000 from ONE mailbox directory this morning), everything gets really, really slow, and I suspect this contributes to Thunder bird's problem. But, if I run with the INDEX on a local disk, many mailboxes will not load (the most critical ones, of course...), but also some do. My inbox will list messages, but cannot display any. Others won't even list messages. I'm at a total loss how to proceed, here. I've tried everything I can think of to debug what's going on, but have gotten nowhere (well, I did discover the whole lock_method=fcntl trick). I've tried enabling rawlog, but am just not familiar enough with IMAP to get help from those logs. Here's what's happening in a typical mailbox: % pwd /home/mario/.mail/Maildir/.SI2 % ls -al total 544 drwx--S--- 5 rvvk40 lowv 425984 Dec 2 14:42 ./ drwx--S--- 64 rvvk40 lowv 16384 Dec 2 14:43 ../ -rw------- 1 rvvk40 lowv 15 Nov 16 07:16 .customflags -rw------- 1 rvvk40 lowv 24 Dec 2 14:38 .nfs00986 -rw------- 1 rvvk40 lowv 24 Dec 2 14:40 .nfs08986 -rw------- 1 rvvk40 lowv 312 Dec 2 14:11 .nfs16686 -rw------- 1 rvvk40 lowv 24 Dec 2 14:32 .nfs1A886 -- 40+ deleted here for brevity -- -rw------- 1 rvvk40 lowv 24 Dec 2 14:39 .nfsE3986 -rw------- 1 rvvk40 lowv 312 Dec 2 14:38 .nfsEF886 -rw------- 1 rvvk40 lowv 24 Dec 2 14:26 .nfsF3886 -rw------- 1 rvvk40 lowv 312 Dec 2 14:32 .nfsF9886 -rw------- 1 rvvk40 lowv 312 Dec 2 14:17 .nfsFF686 drwx--S--- 2 rvvk40 lowv 4096 Dec 2 07:58 cur/ drwx--S--- 2 rvvk40 lowv 4096 Dec 2 07:58 new/ drwx--S--- 2 rvvk40 lowv 4096 Dec 2 07:58 tmp/ % pwd /home/mario/.mail/Maildir/.SI2 Help! Mario

2 1

[Dovecot] Silly newbie questions...
by Michael Segel 03 Dec '05

03 Dec '05

Hi, I'm relatively new to dovecot, less than 48 hours, and I've ran in to a few bugs in the installation/configuration process. Here's my set up. I have my own domain. Within the domain, I have a couple of Linux boxes. So I control both my primary and secondary mail servers. My Linux boxes are a mixture of SuSE 9.2, 9.3 and 10.0 (All based on age of the hardware.) I'd like to use Postfix for my MTA, which I have up and running, but I'd also like to add an IMAP server (hence dovecot) so I can get my mail from any of my PCs and my blackberry.) On my main mail server, I have KDE running and it uses ~/Mail/inbox/(cur,new,...) When I tried to use KDE on my other Linux server, I got it to authenticate and I could see the folders, but I couldn't see any of the mail. (Its all in cur subdirectory.) Now I did notice that when Postfix gets a mail message, its placed in /var/spool/mail/msegel which would imply its using an mbox format. So what am I missing? TIA! -Mike -- Michael Segel Principal MSCC

3 5

[Dovecot] dovecot on os x
by Martin Kvapil 03 Dec '05

03 Dec '05

Hello im new to this list and also to dovecot. This will probably equal a some newbie questions but i hope to learn and teach others :) And it just happens that i have a question. After installing im trying to login, i have set all debug params to true. and in my log i get. dovecot: Dec 02 17:20:50 Info: auth(default): pam(kvapil, 62.181.XXX.XX): pam_authenticate() failed: Authentication failure Im using dovecot-1.0-stable. Any ideas anyone? /kvapil

2 1

[Dovecot] corrupt attachments
by Brian Thompson 02 Dec '05

02 Dec '05

Not sure if this has already been covered, but any pointers or suggestions would be greatly appreciated. We just realized last night that dovecot-stable seems to be corrupting the attachments within users' inboxes. In an attempt to resolve the problem, we upgraded the mail server here to Dovecot 1.0alpha4 but it didn't help. To the best of our knowledge we didn't start experiencing this phenomena until we migrated from Solaris 8/Sparc to Solaris 10/x86 about 3 weeks ago. To be more specific: A non-corrupt attachment can be sitting within a user's mail spool (mbox format) and live there without a problem until an imap client goes to download the attachment via dovecot. At that time, dovecot seems to be stripping the last four characters from each base64 encoded ascii line within the attachment and rewriting the message within the mail spool without those characters. From then on, the attachment is permanently corrupt, even via local unix direct file access clients such as pine or elm. We've temporarily switched back to UW imapd, but users have noticed the decrease in speed - not having the indexing available. Again, any suggestions would be greatly appreciated. Thanks, Brian

1 0

[Dovecot] lock file 2nd attempt for help
by Obantec Support 02 Dec '05

02 Dec '05

Hi my last post got no replies so i am trying again. FC3 dovecot 1.0 stable, 1 user has a lock file using mbox under /var/spool/mail/username from the lock file the pid files are File Descriptor Type File size Inode Path Current dir Directory 4096 6426371 /home/domain/domain127 Root dir Directory 4096 2 / Program code Regular file 1212428 1229832 /usr/local/libexec/dovecot/pop3 Shared library Regular file 108332 851976 /lib/ld-2.3.4.so Shared library Regular file 1524828 851978 /lib/tls/libc-2.3.4.so Shared library Regular file 16908 851993 /lib/libdl-2.3.4.so Shared library Regular file 47496 852018 /lib/libnss_files-2.3.4.so mem-w Regular file 12352 6471692 /home/domain/domain127/mail/.imap/INBOX/dovecot.index.log mem-w Regular file 35840 6471779 /home/domain/domain127/mail/.imap/INBOX/dovecot.index.cache mem-w Regular file 2504 6471769 /home/domain/domain127/mail/.imap/INBOX/dovecot.index 0u sock 69748498 can't identify protocol 1u sock 69748498 can't identify protocol 2w fifo 69748504 pipe 3r Character special 578 /dev/urandom 4uw Regular file 2504 6471769 /home/domain/domain127/mail/.imap/INBOX/dovecot.index 5uw Regular file 12352 6471692 /home/domain/domain127/mail/.imap/INBOX/dovecot.index.log 6uw Regular file 35840 6471779 /home/domain/domain127/mail/.imap/INBOX/dovecot.index.cache 7uw Regular file 2368595 2343048 /var/spool/mail/chelan Can someone explain why this user gets a lock file? Mark

2 2

[Dovecot] Multiple authentication databases and storage locations
by Odhiambo Washington 02 Dec '05

02 Dec '05

Hello Everyone, I am playing with the $subject matter using 1.0alpha4, and thanks to the archives, I lifted this one from Alexander Shikoff off and used it in my setup. auth default { mechanisms = plain user = root passdb pam { args = pop3 } passdb sql { args = /usr/local/dovecot/etc/dovecot-mysql.conf } userdb passwd { } userdb sql { args = /usr/local/dovecot/etc/dovecot-mysql.conf } } It seems to work, but I have virtual users as well as system users. System accounts have their mail stored as follows: default_mail_env = maildir:/home/%u/Maildir While virtual users have this: default_mail_env = maildir:/htdocs/virtual/spool/%d/%u/Maildir Now, virtual users can login because I have used their $default_mail_env in my configuration. I am stuck how to get system users to successfully access their e-mails. Here is the error I get: beastie# telnet 0 110 Trying 0.0.0.0... Connected to 0. Escape character is '^]'. +OK Welcome. Dovecot is Ready to serve. user wash +OK pass a_verysecret1 +OK Logged in. -ERR No INBOX for user. Connection closed by foreign host. In the log file, here is what I see: dovecot: Nov 19 23:22:11 Error: pop3(wash): mkdir(/htdocs/virtual/spool//wash/Maildir/cur) failed: Permission denied dovecot: Nov 19 23:22:11 Error: pop3(wash): mkdir(/htdocs/virtual/spool//wash/Maildir/cur) failed: Permission denied dovecot: Nov 19 23:22:11 Error: pop3(wash): Couldn't open INBOX: Internal error occurred. Refer to server log for more information. ... which is wrong, since mail for user "wash" is in /home/wash/Maildir. How do I make dovecot work in this situation? Thanks in advance. -Wash http://www.netmeister.org/news/learn2quote.html -- +======================================================================+ |\ _,,,---,,_ | Odhiambo Washington <wash(a)wananchi.com> Zzz /,`.-'`' -. ;-;;,_ | Wananchi Online Ltd. www.wananchi.com |,4- ) )-,_. ,\ ( `'-'| Tel: +254 20 313985-9 +254 20 313922 '---''(_/--' `-'\_) | GSM: +254 722 743223 +254 733 744121 +======================================================================+ "... the Mayo Clinic, named after its founder, Dr. Ted Clinic ..." -- Dave Barry

2 2

[Dovecot] After restart dovecot do not serves IMAPS anymore
by Marian Hercek 02 Dec '05

02 Dec '05

I had to restart computer yesterday and now Dovecot has strange behaviour. Dovecot is running and should serve IMAPS, but client Mozilla Thunderbird cannot connect. I tried openssl s_client -connect localhost:993 and it said only CONNECTED(00000003). A time ago when everything was OK, the listing after connection was "a bit" longer than it is now. I remember there was "OK, dovecot ready" or something like that. Now, there is none. Of course in /etc/dovecot.conf: protocols = imaps imaps_listen = * ssl_disable = no So, what's the problem?

3 3

[Dovecot] Somebody known how to disable concurrent access on mailbox?
by Giorgio Biondi 02 Dec '05

02 Dec '05

Hi, I have a fedora 4 with dovecot, my problem is this: often two computers approach the same one mailbox using the same customer: I would want to inhibit this. Somebody known how?

2 1

[Dovecot] Dovecot logs to syslog (other than MAIL)?
by Steve Bigley 02 Dec '05

02 Dec '05

I see in the config file where I can enable syslog, but then all logging goes to the MAIL facility. I could find no reference to changing the facility:level for syslogging. Is that implemented, or planned? I know I could just write it to a file, but I'd prefer to use syslog because then I can pipe it to a central logging server.

5 4

[Dovecot] Multiple Mailstores using 1.0alpha4
by Brian T Glenn 02 Dec '05

02 Dec '05

I am using qmail-ldap to provide virtual users to my system, but I also have some shell users on the system as well. Virtual users go into /home/vmail/mailstore/$username/ System users go into /home/$username/Maildir How can I have both of these available as inboxes in dovecot using ldap logins? Do I need to use namespaces or am i missing something with default_mail_env? Thanks, -- Brian T Glenn delink.net Internet Services

2 1

[Dovecot] Yet another silly question...
by Michael Segel 02 Dec '05

02 Dec '05

Ok, I now have Dovecot working but I'm having an issue with my start up from xinetd. I tried to follow the examples in the documentation, but why can't I just have a single entry for IMAP with just dovecot? Wouldn't this also open up the SSL and the POP3 stuff as well? TIA! -- Michael Segel Principal MSCC 312 952- 8175 [M]

2 1

[Dovecot] Management Mailboxes
by Roly Morales 02 Dec '05

02 Dec '05

Hi, I need help with the management of dovecot, this mean that I want to know when a mailbox is deletet or modfified, and others audit tasks, It's important because I have a problem with a MUA that loose mails and I want know when this happen. Thanks, Roly Morales

2 1

[Dovecot] Unused SQL API
by Curtis Maloney 02 Dec '05

02 Dec '05

Greetings, recently I've been writing a database driver module for Dovecot to use SQLite. It's mostly for my own use, but I do recall other people have asked for this. Firstly - Timo, I grow to love your work more and more every day. :) I have not had any trouble figuring out what is needed of the driver, even without any API documentation. However, the one part of the driver that's given me pause has turned out to most likely be unnecessary. Whilst I was trying to work out how to deal with the sql_result->get_values() call without leaking memory, it seemed an odd method to have along side the other calls. So I decided to look for where it was used, to try to understand. Only, it isn't. The _only_ point I can find in the sources that calls that method is in the Postgress SQL driver. Am I missing something? -- Curtis Maloney cmaloney(a)cardgate.net

2 1

[Dovecot] Upgraded from alpha 3 to 4 getting errors
by Andy Cravens 02 Dec '05

02 Dec '05

I just upgraded from alpha 3 to alpha 4 and now I'm getting these errors: dovecot: Nov 28 16:17:37 Info: Dovecot v1.0.alpha4 starting up dovecot: Nov 28 16:20:11 Info: imap-login: Login: user=<jdoe>, method=PLAIN, rip=xxx.xxx.xxx.xxx, lip=xxx.xxx.xxx.xxx, TLS dovecot: Nov 28 16:20:13 Info: imap-login: Login: user=<jdoe>, method=PLAIN, rip=xxx.xxx.xxx.xxx, lip=xxx.xxx.xxx.xxx, TLS dovecot: Nov 28 16:20:13 Error: imap(jdoe): flock() locks not supported dovecot: Nov 28 16:20:13 Error: child 15661 (imap) returned error 89 I'm using maildir so locking shouldn't be an issue. Mail storage is NOT nfs mounted. I'm on Solaris 9. Any ideas? -- Andy

3 2

[Dovecot] Question on moving folders
by Andy Cravens 02 Dec '05

02 Dec '05

Is there a way to move an imap subfolder up one level? I have a bad mouse and every now and then I have accidentally dragged an imap folder on top of another folder. I am unable to get the original folder back up one level. I've tried using several clients and I can't get it to work with dovecot. I keep getting a "folder already exists" message. I'm guessing dovecot still sees the original folder before it was moved. Any tips... besides getting a new mouse? -- Andy

3 2

[Dovecot] Choose client
by Jon 01 Dec '05

01 Dec '05

Hi, Does anyone know if it is possible to make dovecot to only accept connections from specific clients such as Thunderbird on Squirrelmail an deny access to Outlook (as it creates folders) etc.. /jon

3 2

[Dovecot] dovecot-lda macro `AM_PROG_LIBTOOL' not found in library
by Kevin 01 Dec '05

01 Dec '05

I'm trying to get dovecot-lda working on a FreeBSD 6.0-RELEASE box (also had the same problem on 5.4) When I run autogen.sh I get the following output: aclocal:configure.in:13 <http://configure.in:13>: warning: macro `AM_PROG_LIBTOOL' not found in library You should update your `aclocal.m4' by running aclocal. configure.in <http://configure.in>: installing `./install-sh' configure.in <http://configure.in>: installing `./missing' src/Makefile.am: installing `./depcomp' src/libsieve/Makefile.am:1: library used but `RANLIB' is undefined src/libsieve/Makefile.am:1: src/libsieve/Makefile.am:1: The usual way to define `RANLIB' is to add `AC_PROG_RANLIB' src/libsieve/Makefile.am:1: to `configure.in' and run `autoconf' again. configure.in <http://configure.in>: installing `./ylwrap' Makefile.am <http://Makefile.am>: installing `./INSTALL' configure.in:4 <http://configure.in:4>: required file `lda-config.h.in<http://config.h.in>' not found configure.in:13 <http://configure.in:13>: error: possibly undefined macro: AM_PROG_LIBTOOL If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation. It still generates 'configure' but if I try to run it I get: ./configure: line 3441: AM_PROG_LIBTOOL: command not found Also Makefile.in <http://Makefile.in> is never created Anyone have an idea?

3 3

[Dovecot] Chrooting question
by Greg Pendler 01 Dec '05

01 Dec '05

Hi, All. I've got a feeling it's a simple matter and it was discussed on this list (i've searched the archive) but still all answers i've found didn't solve this problem. We want to move from UW-IMAP to dovecot, when users INBOX is /var/mail/USER_NAME and his folders are ~USER_NAME/mail/. In addition the host is an FTP server that uses chrooting in order to prevent users from accessing files outside their home directories. Our /etc/passwd line looks like this: some_user:x:1234:123:Some User:/home/./some_user:/bin/shell When i try to check mail on this host with this user i receive the following error message: Dec 1 08:21:11 server dovecot: [ID 935345 mail.error] Invalid chroot directory '/home' (user some_user) (see valid_chroot_dirs in config file) After which comes a line with: "Internal login failure" I've tried to configure different chroot options in configuration file, but had no luck at all. Of course when i remove the "." from passwd line everything works great (except FTP:). I'm using 1.0 alpha 4 on Solaris 9. Please let me know if you have such setup and what is the exact setting i need to add to configuration. Thanks in Advance, Greg

1 0

[Dovecot] dovecot 1.0.alpha4 hangs at auth
by Mihai Secasiu 01 Dec '05

01 Dec '05

I'm using dovecot 1.0.alpha4 on a freebsd 5.3 i386 system. Dovecot is configured to use mysql authentication and I'm running mysql 5.0.15 . Everything works fine, but after a period of inactivity (20-30 minutes ) when I connect and try to authenticate it just hangs. I noticed that the dovecot-auth worker process is not running anymore... from looking at the source code I understand that the dovecot-auth worker process is actually a client that connects to the main dovecot-auth process ( the server) I restarted dovecot and I straced the auth worker process ... after 20-30 minutes it just existed here is the output of strace : gettimeofday({0, 0}, NULL) = 0 poll([{fd=5, events=POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL}, {fd=4, events=POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL}], 2, 0) = 0 gettimeofday({1133138508, 221796}, {0, 0}) = 0 gettimeofday({0, 0}, NULL) = 0 poll([{fd=5, events=POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL}, {fd=4, events=POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL, revents=POLLIN}], 2, 1999) = 1 gettimeofday({1133138509, 49095}, {0, 0}) = 0 read(4, "", 478) = 0 close(4) = 0 fcntl(7, F_SETFL, O_RDWR|O_NONBLOCK) = 0 read(7, "", 8192) = 0 fcntl(7, F_SETFL, O_RDWR) = 0 write(7, "\1\0\0\0\1", 5) = -1 EPIPE (Broken pipe) shutdown(7, 2 /* send and receive */) = 0 close(7) = 0 close(3) = 0 close(5) = 0 close(6) = 0 close(-1) = -1 EBADF (Bad file descriptor) exit(0) = ? Why is the auth worker exiting if it reads 0 from fd=4 ? is it possible to make it so that it does not exit ? and in the case it exits is there a mechanism to restart it? Another question would be why read(4, "", 478) returns 0 ? this means that the server closed connection right ? why would the auth server close the connection with the auth worker ? I had a similar problem with dovecot 0.99 but there I got a "login failed" error message immediately , with 1.0alpha4 it just hangs. I also used a nightly cvs snapshot and the problem is there too. Thank you for your time Mihai Secasiu http://denixsolutions.com/

1 1

[Dovecot] Graceful shutdown
by Cliff Hayes 01 Dec '05

01 Dec '05

Hello all, I am running Dovecot v1alpha4 on Fedora 4 from the command line (as opposed to deamon). Is there a recommended way to shut it down gracefully? Or do I just use killall -9 dovecot? I'm not using the included version, so I can't do SERVICE DOVECOT STOP. Thanks, Cliff

2 3

[Dovecot] F_UNLCK assertion
by Martin Preen 30 Nov '05

30 Nov '05

Hello, > I upgraded from alpha3 to alpha4 yesterday, and I am seeing > a few of the following asserts: > > imap(user): file mbox-lock.c: line 379 (mbox_lock_fcntl): > assertion failed: (lock_type == F_UNLCK) I'm getting this error too after upgrading to alpha4. > Gdb info on a couple of the cores is attached. It looks > like the arg lock_type for mbox_lock_fcntl() is not getting > passed in correctly, like the enum "enum mbox_lock_type type" > in mbox_lock_list() is not getting set or used correctly so > that lock_data[type].func is wrong. Hmmm. > > My setup: Solaris 9, mbox, dovecot built with gcc 4.0.2. > The filesystem for INBOXes is NFS mounted from another Solaris 9 > system, but the index files reside on local filesystems. > My setting for "lock_method = fcntl", per your release notes. > I did not change the default setting of "mmap_disable = no" > because my index files are local. The above also applies to our installation. Greetings. Martin --------------------------------------------------------------- Martin Preen, Universitaet Freiburg, Institut fuer Informatik Georges-Koehler-Allee 52, Raum 00-006, 79110 Freiburg, Germany phone: ++49 761 203-8250 preen(a)informatik.uni-freiburg.de fax: ++49 761 203-8242 www.informatik.uni-freiburg.de

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Re: [Dovecot] Pop-before-smtp and MySQL?
by Matteo Garofano 30 Nov '05

30 Nov '05

Thanks ... so I know inetd is not the issue... I don't know where look for help :-( ----- Original Message ----- From: "Matteo Garofano" <m.garofano(a)internetware.it> To: <dovecot(a)dovecot.org> Sent: Tuesday, November 29, 2005 1:39 PM Subject: Re: [Dovecot] Pop-before-smtp and MySQL? >I can add, i run dovecot standalone not inetd or xinetd. > does it change something about the pop-before-smtp issue ? > > Thanks > te0x > > ----- Original Message ----- > From: "Lorens" <dovecot.fdop(a)tagged.lorens.org> > To: "Matteo Garofano" <m.garofano(a)internetware.it> > Cc: <dovecot(a)dovecot.org> > Sent: Monday, November 28, 2005 6:23 PM > Subject: Re: [Dovecot] Pop-before-smtp and MySQL? > > >> On Mon, Nov 28, 2005 at 04:21:27PM +0100, Matteo Garofano wrote: >>> dovecot: Nov 28 14:50:41 Info: Dovecot v1.0-stable starting up >>> dovecot: Nov 28 14:50:42 Info: auth(default): mysql: Connected to >>> postfix >>> Login from , parameters 1=/usr/local/libexec/dovecot/pop3, 2=, 3=, 4= >>> dovecot: Nov 28 14:50:59 Info: pop3-login: Login: teo(a)xarrampicate.it >>> [192.168.100.70] >>> >>> it seems that no variable is passed during the execution of the >>> mail_execute commands >> >> It does seems that way. Sorry, I cannot explain that. Maybe you >> have a different version than I do, but they are both -stable >> and your dovecot.conf syntax resembles mine. No idea... maybe >> something in the compilation (you give your compilation options >> so I suppose you compiled it yourself; I took a debian package). >> >> >

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