Setup Mail Server using Postfix, Dovecot and SquirrelMail in CentOS/RHEL/Scientific Linux 6.3 step b

Before install postfix, remove sendmail from the server. Because sendmail is the default MTA in Redhat/CentOS.[root@server ~]# yum remove sendmailPrerequisites:The mail server should contain a valid MX record in the DNS server. Navigate to this link how t

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