Question

Which mail server should I use?

Posted February 11, 2014 3.2k views
I'm using CentOS 6. Here are the two that I narrowed down to, other suggestions are welcome. https://digitalocean.com/community/articles/how-to-install-iredmail-on-centos-6-3-x64 OR https://digitalocean.com/community/articles/how-to-set-up-a-postfix-e-mail-server-with-dovecot

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2 answers
Compare the RAM requirements of the two. That's should help you come to a better decision.
The default MTA on a CentOS 6 is Postfix. That would be an easy setup than iRedMail, but besides resources you need to consider your tech skills and needs when it comes to manage your email server.