Minimal postfix/dovecot installation
yum install postfix
chkconfig postfix on
chkconfig sendmail off
/etc/init.d/sendmail stop
/etc/init.d/postfix start
Put these 5 lines in /etc/postfix/main.cf
inet_interfaces = 127.0.0.1, 88.155.666.111 :Listen on loopback and public interface
myorigin = mail.anuj.com :visible hostname in email
mydestination = mail.anuj.com :accept email for any@mail.anuj.com
relay_domains = anuj.com :To relay domain as required (Delete this line if you want to send email to everywhere)
mynetworks = 88.155.666.111/24 :Allow only 88.155.666.111/24 subnet to send/relay email using smtp
allow port 25 and 110 in firewall as necessary
yum install dovecot
edit /etc/dovecote.conf and add following line
protocols = pop3
chkconfig dovecot on
/etc/init.d/dovecot start
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