For the software side, I would most likely use mailinabox [1] or sovereign [2]. They both setup mail servers for you with reasonable defaults using Ubuntu and D

For the software side, I would most likely use mailinabox [1] or sovereign [2]. They both setup mail servers for you with reasonable defaults using Ubuntu and Debian respectively. Ars Technica has a great 4-part guide [3] on setting up a mailserver yourself. [1] https://mailinabox.email/ https://mailinabox.email/ [2] https://github.com/al3x/sovereign https://github.com/al3x/sovereign [3] http://arstechnica.com/information-technology/2014/02/how-to-run-your-own-e-mail-server-with-your-own-domain-part-1/ http://arstechnica.com/information-technology/2014/02/how-to...