Set up a mail server using Postfix, Dovecot, and SquirrelMail on CentOS
Remove sendmail from the server before installing postfix. This is because sendmail is the default MTA for Redhat / CentOS. [[email protected] ~]# yum remove sendmail Prerequisites: The mail server must have a valid MX record in the DNS server. invite This link How to set up a DNS server. You need to disable your firewall… read more »