Dear All I am able to send receive mail properly with use of roundcube. Thanks a lot for all your support. The last thing I did was started dovecot service, then roundcuble was able to work properly. Next, I will look into security aspect, spam filtering etc etc. Will start a new thread for that. Many thanks for great tips to me. Best Regards Austin On Mon, Mar 11, 2013 at 8:24 AM, Austin Einter <austin.einter at gmail.com>wrote: > Dear All > I am planning to setup mail server for my domain. > > Which one is preferred postfix or sendmail. > > > I came across a link * > http://ostechnix.wordpress.com/2013/02/08/setup-mail-server-using-postfixdovecotsquirrelmail-in-centosrhelscientific-linux-6-3-step-by-step/ > * for postfix mail setup. > > It says, > Prerequisites: > > - The mail server should contain a valid MX record in the DNS server. > Navigate to this link how to setup DNS server<http://ostechnix.wordpress.com/2013/01/25/setup-dns-server-step-by-step-in-centos-6-3-rhel-6-3-scientific-linux-6-3-3/> > . > - Firewall and SELinux should be disabled. > > > I have disabled iptables as my m/c is behind the firewall. > > It says I need to disable firewall. Is it really required. Kindly let me > know. > > Best Regards > Austin > > > > >