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(Update Dovecot configure)

Latest revision as of 09:51, 30 June 2011


This tutorial is for only RHEL/CentOS 5.x, Debian 5.

[edit] Install Dovecot 1.2

[edit] on RHEL/CentOS 5

Dovecot 1.2 is available in another iRedMail yum repository, you should append below lines in /etc/yum.repos.d/iRedMail.repo to enable it:

File: /etc/yum.repos.d/iRedMail.repo

NOTE: Because iRedMail-0.6.1 and earlier versions doesn't support dovecot-1.2, so we can't add this package in default yum repository, otherwise new installation of iRedMail (<=0.6.1) will be failed.

Remove dovecot-1.1. Be aware of below steps, we will update dovecot config based on config file of dovecot-1.1.

# cp /etc/dovecot.conf /etc/dovecot-1.1.conf
# rpm -e dovecot dovecot-sieve
warning: /etc/logrotate.d/dovecot saved as /etc/logrotate.d/dovecot.rpmsave
warning: /etc/dovecot.conf saved as /etc/dovecot.conf.rpmsave

Install dovecot-1.2.

# yum install dovecot dovecot-sieve dovecot-managesieve
# cp /etc/dovecot.conf /etc/dovecot-1.2.conf
# cp /etc/dovecot-1.1.conf /etc/dovecot.conf

Package dovecot-managesieve provides 'managesieve' service, so we don't need pysieved anymore. Disable it:

# chkconfig --level 345 pysieved off
# /etc/init.d/pysieved stop

[edit] on Debian 5

Append below line to /etc/apt/sources.list:

File: /etc/apt/sources.list
deb lenny-backports main

Install Dovecot 1.2:

$ sudo apt-get -t lenny-backports update
$ sudo apt-get -t lenny-backports upgrade dovecot-imapd dovecot-pop3d

[edit] Update Dovecot configure

We need to update Dovecot config file dovecot.conf, it's /etc/dovecot.conf on RHEL/CentOS, /etc/dovecot/dovecot.conf on Debian 5.

  • Remove setting umask =. It wasn't really used anywhere anymore.
  • Remove zlib from all mail_plugins = settings.. This plugin is buggy in 1.x and will be fixed only in 2.x.
  • Change sieve plugin name cmusieve to sieve in protocol lda {} section.
  • Change ssl_disable=no to ssl=yes.
  • [For MySQL backend] Add two more columns in vmail.mailbox if not present:
$ mysql -uroot -p
mysql> USE vmail;
mysql> ALTER TABLE mailbox ADD COLUMN enablesieve TINYINT(1) NOT NULL DEFAULT '1';
mysql> ALTER TABLE mailbox ADD COLUMN enablesievesecured TINYINT(1) NOT NULL DEFAULT '1';
  • [For RHEL/CentOS] Append managesieve service related config:
File: dovecot.conf

# ManageSieve service.
protocol managesieve {
    listen =

# Plugin: sieve. ttp://
plugin {
    #sieve_global_path =
    #sieve_global_dir = 
    #sieve_before = /var/vmail/sieve/dovecot.sieve
    #sieve_after =
    sieve = /var/vmail/sieve/%Ld/%Ln/dovecot.sieve
    sieve_dir = /var/vmail/sieve/%Ld/%Ln/

Append "managesieve" in "protocols = ", like this:

File: dovecot.conf
protocols = pop3 pop3s imap imaps managesieve
  • [For Debian 5 (lenny)] Move sieve = and sieve_storage = from section protocol managesieve {} to section plugin {}, and rename sieve_storage to sieve_dir:
File: dovecot.conf
plugin {
    sieve = /var/vmail/sieve/%Ld/%Ln/dovecot.sieve
    sieve_dir = /var/vmail/sieve/%Ld/%Ln/

[edit] Re-enable RoundCube sieve rules

This is needed so your users will not loose all their RoundCube sieve rules. You need to run the following commands to mass rename the RoundCube rules and repair their links:

find /var/vmail/sieve/ -type l -name 'dovecot.sieve' -exec rm -f '{}' \;
find /var/vmail/sieve/ -type f -name 'roundcube' -exec rename 'roundcube' 'roundcube.sieve' '{}' \;
find /var/vmail/sieve/ -type f -name 'roundcube.sieve' -execdir ln -s '{}' dovecot.sieve \;
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