On: Ask HN: Do you run your own mail server? If yes, how?

[Vendan]

issue is less the ip address then it is the need for special MX dns records, which most of those services don't let you set up

[pwg → Vendan]

Very true, but some dynamic dns providers do allow MX records.

A list of them is here (found via search, no suggestion of "goodness"): http://www.gnutomorrow.com/best-free-dynamic-dns-services-in...