My main email system for me and my wife is an Ubuntu 14.04 DO droplet where I used said command to get going. I use ownCloud for card&#x2F;caldav and ownCloud mail (and sometimes roundcube), my wife uses OsX mail. We both use Android mail clients. There is pain sometimes, when Outlook.com makes my mails vanish and admittedly I have yet to receive spam and have no system in place. This guide helped me a lot [0] there is way to much detail and a lot I didn&#x27;t use but you&#x27;ll learn a lot.<p>For more than I year now all I ever did as maintenance was apt-get update&#x2F;upgrade.<p><a href="http:&#x2F;&#x2F;arstechnica.com&#x2F;information-technology&#x2F;2014&#x2F;02&#x2F;how-to-run-your-own-e-mail-server-with-your-own-domain-part-1&#x2F;" rel="nofollow">http:&#x2F;&#x2F;arstechnica.com&#x2F;information-technology&#x2F;2014&#x2F;02&#x2F;how-to...</a><p>Ok, it did take me a while to find mail-stack-delivery but it really is a good basis.