CentOS 6
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Install Dovecot
2014/08/22
 
Install Dovecot to configure POP/IMAP server. POP uses 110/TCP, IMAP uses 143/TCP.
[1] Install Dovecot.
[root@mail ~]#
yum -y install dovecot
[2] This example shows to configure to provide SASL function to Postfix.
[root@mail ~]#
vi /etc/dovecot/dovecot.conf
# line 26: change ( if not use IPv6 )

listen =
*
[root@mail ~]#
vi /etc/dovecot/conf.d/10-auth.conf
# line 9: uncomment and change ( allow plain text auth )

disable_plaintext_auth =
no
# line 97: add

auth_mechanisms = plain
login
[root@mail ~]#
vi /etc/dovecot/conf.d/10-mail.conf
# line 30: uncomment and add

mail_location =
maildir:~/Maildir
[root@mail ~]#
vi /etc/dovecot/conf.d/10-master.conf
# line 88-90: uncomment and add

# Postfix smtp-auth
unix_listener /var/spool/postfix/private/auth {
    mode = 0666
    user = postfix
    group = postfix

}
[root@mail ~]#
/etc/rc.d/init.d/dovecot start

Starting Dovecot Imap:
[  OK  ]

[root@mail ~]#
chkconfig dovecot on

[3] If IPTables is running, allow POP/IMAP port. POP uses 110/TCP, IMAP uses 143/TCP. For "-I INPUT 5" section below, Replace it to your own environment.
[root@dlp ~]#
iptables -I INPUT 5 -p tcp -m state --state NEW -m tcp --dport 110 -j ACCEPT

[root@dlp ~]#
iptables -I INPUT 6 -p tcp -m state --state NEW -m tcp --dport 143 -j ACCEPT

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