HowTO: Install Postfix & dovecot On CentOS 6



How to installing Postfix and Dovecot on Linux CentOS

yum install postfix dovecot
chkconfig postfix on
chkconfig dovecot on

 Configure main.cf :


vi /etc/postfix/main.cf
# change or add on these line:

myhostname = mail.fileregion.com
mydomain = fileregion.com
myorigin = $mydomain
inet_interfaces = all
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
mynetworks = 127.0.0.0/8
home_mailbox = Maildir/
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, permit
broken_sasl_auth_clients = yes

Restarting postfix:

/etc/init.d/postfix restart

Configure Dovecot on Linux CentOS 6

Configure dovecot.conf:


vi /etc/dovecot/dovecot.conf

# uncomment on this line:
protocols = imap pop3
listen = *
Config mail auth mehanism:


vi /etc/dovecot/conf.d/10-auth.conf
# change on these line:

disable_plaintext_auth = no
auth_mechanisms = plain login
Configure mail_location:


vi /etc/dovecot/conf.d/10-mail.conf
# change / uncomment on this line:
mail_location = maildir:~/Maildir


Configure service auth:

vi /etc/dovecot/conf.d/10-master.conf
# commented on these line:
#unix_listener auth-userdb {
    #mode = 0600
    #user =
    #group =
  #}
# change or setup on these line:
# Postfix smtp-auth
  unix_listener /var/spool/postfix/private/auth {
    mode = 0666
    user = postfix
    group = postfix
  }


Configure POP3:

vi /etc/dovecot/conf.d/20-pop3.conf
# uncomment on these line:
pop3_uidl_format = %08Xu%08Xv
pop3_client_workarounds = outlook-no-nuls oe-ns-eoh

Restaring Dovecot :

/etc/init.d/dovecot restart


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