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I have a no ip account, and I want to use my home server (which is running arch linux) for email. I don't know what I'm supposed to put in the MX header field; am I supposed to put the hostname on my server, or my no ip url? I have very no experience with email servers.
What research have you done? Have you tried anything so far? – CharlieRB – 2014-09-22T17:39:05.180
Step one, verify that your ISP even permits you to run an SMTP server. Most don't and any incoming or outgoing email will be blocked as a form of SPAM prevention. Step two, start reading a book about your prefered MTA, running your own MTA is not trivial. – Zoredache – 2014-09-22T18:33:08.447