IRedMail/FAQ/Upgrade.Dovecot.1.1.to.1.2

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

Install Dovecot 1.2

on RHEL/CentOS 5

Dovecot 1.2 is available in iRedMail yum repository, you can install it via yum command.

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

Terminal: 
# 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

# 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:

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

on Debian 5

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

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

Install Dovecot 1.2:

Terminal: 
$ sudo apt-get update
$ sudo apt-get upgrade dovecot-imapd dovecot-pop3d

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 umask. It wasn't really used anywhere anymore.
  • Remove all zlib plugin. It's 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:
Terminal: 
$ 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. http://wiki.dovecot.org/ManageSieve
protocol managesieve {
    listen = 127.0.0.1:2000
}

# Plugin: sieve. ttp://wiki.dovecot.org/LDA/Sieve
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
Retrieved from "http://iredmail.org/wiki/index.php?title=IRedMail/FAQ/Upgrade.Dovecot.1.1.to.1.2"
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