February 2007 - dovecot

[Dovecot] Dovecot rc23 and rc24 freeze after authentication
by Garret Huntress 27 Feb '07

27 Feb '07

I had our production systems running on rc23, however we ran into problems when the server was under heavy load. Eventually, the server would begin to freeze all imap connection after authentication (according to the logs). A user would connect, authentication would succeed, and then the connection would sit until timing out. No error logs were produced. Upgrading to rc24 did not resolve the issue, but reverting to rc22 has. -Garret -- Garret W. Huntress System Administrator / System Developer Geophysical Laboratory Carnegie Institution of Washington 5251 Broad Branch Road, NW Washington, DC 20015 Email: ghuntress(a)ciw.edu Phone: (202)-478-8973 AIM: Garret Huntress

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[Dovecot] Certs file
by Javier Henderson 27 Feb '07

27 Feb '07

I'm running 1.0rc23 on FreeBSD 6.2-RELEASE, and seeing the following: Starting dovecot. Error: Can't use SSL key file /etc/ssl/private/dovecot.pem: No such file or directory In the config file I have: ssl_cert_file=/usr/local/certs/imapd.pem Looking for dovecot.pem on the config file there's only: % grep dovecot.pem dovecot.conf #ssl_cert_file = /etc/ssl/certs/dovecot.pem #ssl_key_file = /etc/ssl/private/dovecot.pem So the two entries referencing dovecot.pem are commented out. I removed those two lines anyway, just in case, but it didn't make a difference. What am I missing? I'd love to include the output of 'dovecot -n' but... % dovecot -n # /usr/local/etc/dovecot.conf Error: Can't use SSL key file /etc/ssl/private/dovecot.pem: No such file or directory Thanks, -jav

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Re: [Dovecot] Solaris problem & exim. Please ignore it.
by Stephen Usher 27 Feb '07

27 Feb '07

Please ignore my previous question.. as it turns out it's a bug/feature of fprintf(3C) and sockets under Solaris. Exim was using fprintf to output the AUTH string and for some unknown reason it was hanging, possibly because the input buffer on the file stream wasn't empty or something. After modifying the Exim's dovecot authentication plug-in to use write(2) instead of fprintf(3C) it miraculously worked! Steve -- --------------------------------------------------------------------------- Computer Systems Administrator, E-Mail:-steve@earth.ox.ac.uk Department of Earth Sciences, Tel:- +44 (0)1865 282110 University of Oxford, Parks Road, Oxford, UK. Fax:- +44 (0)1865 272072

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[Dovecot] lstats on all files in Maildir when opening an e-mail.
by Tan Shao Yi 27 Feb '07

27 Feb '07

Hi, I'm running RC19 on a Solaris 10 SPARC box. It seems that whenever I open an e-mail in any folder via IMAP, dovecot appears to scan every other folder in the Maildir. A truss reveals that it is lstat-ing every e-mail in every directory. I'm sorry I am sending only a fragment of the truss, it's really too long... but is this behaviour expected? Cheers, Tan Shao Yi lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170337156.M209211P18431V025055F0I0000DAF0_0.recess1,S=2596", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170337594.M159985P18549V025055F0I0001891B_0.recess1,S=4111", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170338379.M564254P18933V025055F0I000196A3_0.recess1,S=3630", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170344035.M859029P24106V025055F0I000198E4_0.recess1,S=4254", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170344816.M69242P24829V025055F0I000199CB_0.recess1,S=3810", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170347789.M408186P27905V025055F0I00019A8F_0.recess1,S=3922", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170378895.M589722P25748V025055F0I00019279_0.recess1,S=2782", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170380726.M524353P29456V025055F0I0001AEE1_0.recess1,S=3619", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/new/1170381420.M702545P517V025055F0I0001B208_0.recess1,S=3028", 0xFFBFF040) = 0 getdents64(8, 0xFEE72000, 8192) = 0 close(8) = 0 lstat64("/var/qmail/maildirs/AA/AA/test(a)pacific.net.sg/Maildir/.qmail/maildirfolder", 0xFFBFF148) = 0 lstat64("/var/qmail/maildirs/AA/AA/test(a)pacific.net.sg/Maildir/.qmail/cur", 0xFFBFF148) = 0 openat(-3041965, "/var/qmail/maildirs/AA/AA/test(a)pacific.net.sg/Maildir/.qmail/cur", O_RDONLY|O_NDELAY|O_LARGEFILE) = 8 fcntl(8, F_SETFD, 0x00000001) = 0 fstat64(8, 0xFFBFEEE8) = 0 getdents64(8, 0xFEE72000, 8192) = 1088 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/cur/1169092926.M656431P6118V04010002I000023E9_0.recess1,S=4701:2,S", 0xFFBFF040) = 0 lstat64("/var/qmail/maildirs/AA/AA/test@pacific.net.sg/Maildir/.qmail/cur/1168983168.M76366P8906V04010002I000027AB_0.recess1,S=2345:2,S", 0xFFBFF040) = 0

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Re: [Dovecot] pid stamp on log entries?
by Bill Boebel 27 Feb '07

27 Feb '07

On Mon, February 26, 2007 2:40 pm, bhayden(a)umn.edu said: > Hi folks. Is there a way to modify the log stamp to include pid as well as > time? Take a look at http://wiki.dovecot.org/Variables %p = pid I use: mail_log_prefix = "%Us(%u)(%p): " Syslog adds the timestamp though. Bill

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[Dovecot] pid stamp on log entries?
by bhayden＠umn.edu 26 Feb '07

26 Feb '07

Hi folks. Is there a way to modify the log stamp to include pid as well as time? Preferably for all logging, but at least for imap and pop. I took a look at the mail-login plugin, but that seems to associate operations with uid, still no pid. Am I missing something? Thanks for any info, -Brian U of Minnesota Internet Services

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[Dovecot] dovecot and ldap
by Antonis Faragitakis 26 Feb '07

26 Feb '07

hi im trying to install dovecot and use ldap as the backend and i get the following error srv:/root# telnet localhost 143 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. * OK [CAPABILITY IMAP4rev1 SASL-IR SORT THREAD=REFERENCES MULTIAPPEND UNSELECT LITERAL+ IDLE CHILDREN NAMESPACE LOGIN-REFERRALS AUTH=PLAIN] Dovecot ready. 1 login b.tapratzis passwordhere 1 NO Authentication failed. tail -f /var/log/dovecot.info dovecot: Feb 26 18:14:21 Info: auth(default): client in: AUTH 1 PLAIN service=IMAP secured lip=127.0.0.1 rip=127.0.0.1 resp=AGIudGFwcmF0emlzADM2Yi50YXByIw== dovecot: Feb 26 18:14:21 Info: auth(default): ldap(b.tapratzisb.tapratzis,127.0.0.1): bind search: base=ou=Company,ou=Ath,dc=company,dc=gr filter=(&(objectClass=posixAccount)(uid=b.tapratzisb.tapratzis)) dovecot: Feb 26 18:14:21 Info: auth(default): ldap(b.tapratzisb.tapratzis,127.0.0.1): unknown user dovecot: Feb 26 18:14:21 Info: auth(default): client out: FAIL 1 user=b.tapratzisb.tapratzis i cant understand why is place 2 times the username in the uid= for search. my dovecot.conf: passdb ldap { args = /etc/dovecot-ldap.conf } userdb ldap { args = /etc/dovecot-ldap.conf } my dovecot-ldap.conf: base = ou=Company,ou=Ath,dc=company,dc=gr deref = never scope = subtree user_attrs = uid,homeDirectory,,uid,uidNumber,gidNumber user_filter = (&(objectClass=posixAccount)(uid=%u)) pass_attrs = uid=user,userPassword=password,homeDirectory=userdb_home,uidNumber=userdb_uid,gidNumber=userdb_gid where it my be the fault? Thanks Atn

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[Dovecot] Quota stored in LDAP
by Venilton Junior 26 Feb '07

26 Feb '07

Hie folks, Does anyone have any experiences using dovecot + per user quota + ldap? I've configured my settings as this example: # quotaStorage must be in the format mentioned above # For example: dirsize:storage=10240 user_attrs = uid,homeDirectory,,,uidNumber,gidNumber,quotaStorage=quota But, Dovecot isn't creating maildirsize file. Any guesses? PS: I've already instaled 1.0rc24 Venilton C. Junior HPS Sercompe Computadores Ltda. Office: +55 47 3431-9700 Fax: +55 47 3431-9747 Mobile: +55 47 9653-5872 www.sercompe.com.br <http://www.sercompe.com.br/>

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[Dovecot] Bigcrypt password patch
by Philipp Kolmann 26 Feb '07

26 Feb '07

Hi, we are currently in the progress of switching an HPUX mailserver to linux and dovecot. The only issue so far is, that HPUX has bigcrypt for passwords > 8 chars. Bigcrypt uses standard libc crypt for every block of 8 chars. The linux pam modules have a bigcrypt.c file which can be used for dovecot as well to authenticate crypt and bigcrypt passwords. I have used the pam bigcrypt.c code to patch the mycrypt.c dovecot file. Maybe you could add this path (against branch_1_0 cvs). thanks Philipp Kolmann -- If you have problems in Windows: REBOOT If you have problems in Linux: BE ROOT

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[Dovecot] problem with NFS from Microsoft Windows Services for Unix
by Arnaud Grandville 25 Feb '07

25 Feb '07

Hi all, I'm using dovecot 1.0 RC24 compiled form source on a OpenBSD 4.0, I use IMAP service with maildir storage and my mail client is Outlook 2003. If the root of the user maildir stay on the BSD filesystem everything is right. If the root of the maildir is mount on an NFS drive on Microsoft Windows 2003 server, I always have the same error when I try to move mail (under Outlook) form my Pop3 account to my Imap account : dovecot: Feb 24 21:41:13 Error: IMAP(arno): rename(/var/mail/arno/Maildir/tmp/1172353272.P7684Q1.mail.domaine.fr, /var/mail/arno/Maildir/cur/1172353272.P7684Q1.mail.domaine.fr:2,S) failed: Input/output error As you see, the name of the file gets an extra string ":2,S" and that's why the new filename can't be created. what's wrong? thanks --- dovecot.conf ------------------ base_dir: /var/run/dovecot/ log_path: /dev/stderr protocols: imap listen: *:143 ssl_disable: yes disable_plaintext_auth: no login_dir: /var/run/dovecot//login login_executable: /usr/local/libexec/dovecot/imap-login first_valid_gid: 0 mail_location: maildir:~/Maildir mmap_disable: yes lock_method: dotlock auth default: passdb: driver: passwd-file args: /etc/master.passwd userdb: driver: passwd

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