Dovecot

Homepage

Docs

• http://www.rename-it.nl/dovecot/
• http://wiki.dovecot.org/
• dovecot postfix ldap
• Dovecot on debian

Important settings

/proc/sys/fs/inotify/max_user_instances
/proc/sys/fs/inotify/max_user_instances

Dovecot and ldap

• Dovecot postfix ldap
• http://wiki.dovecot.org/AuthDatabase/LDAP
• http://workaround.org/articles/ispmail-etch/#etc-dovecot-dovecot-conf
• http://manurevah.com/blah/index.php/linux/pysieved-on-workaround.php
• http://wanderingbarque.com/howtos/mailserver/mailserver.html

Postfix

Using deliver with postfix

http://wiki.dovecot.org/LDA/Postfix

ManageSieve

• Sieve
• careful with dovecot-sieve on freebsd, it links against the stable dovecot, not dovecot-devel
• http://wiki.dovecot.org/ManageSieve
• http://www.iana.org/assignments/sieve-extensions
• http://libsieve-php.exit0.net/

Squirrelmail has avelsieve

Testing

Show configuration

dovecot -n

deliver

SSL

On FreeBSD

/usr/local/share/dovecot/

http://www.freebsddiary.org/dovecot.php

FAQ

the variables: %u, %h, %n etc

http://wiki2.dovecot.org/Variables

lmtp or lda?

lmtp

quota-warning and selinux

Create file quotawarning.te:

module dovecot-quota-warning 1.0;

require {
       type dovecot_t;
       type dovecot_deliver_exec_t;
       class file { read execute open getattr execute_no_trans };
}

#============= dovecot_t ==============
allow dovecot_t dovecot_deliver_exec_t:file { read execute open getattr execute_no_trans };

Then run:

semodule_package -o quotawarning.pp -m quotawarning.mod
semodule -i quotawarning.pp

quota check policy service

https://sys4.de/en/blog/2013/04/08/postfix-dovecot-mailbox-quota/

run in foreground

dovecot -F

dovecot-ltmp: User doesn't exist

After adding user or virtuser, sometimes lmtp doesn't pick it up.

postfix reload

Where's the bugtracker?

http://dovecot.org/list/dovecot/2007-January/018786.html

What's that strange attachment in quota bounces?

http://tools.ietf.org/html/rfc3798

i changed clock and it crashed

http://wiki.dovecot.org/TimeMovedBackwards

user XXX is missing UID (set mail_uid)

System fails to look up UID for user, configure a userdb besides the password db

check LMTP socket

 socat - UNIX:/var/spool/postfix/private/dovecot-lmtp

Error: quota: net_connect_unix(/var/run/dovecot/quota-warning) failed: Permission denied

check/set owner, group and mode in service quota-warning section

Notes

getenv/setenv/clearenv

There's been issues on several OSes that didn't agree on env related functions, see lib/env-util.c See http://www.freebsd.org/doc/en/books/porters-handbook/freebsd-versions.html putenv etc