Re:Your own Debian Mail Server (part II): how to prove you a...
by Nux on Monday November 02, 2015 @08:27AM
(#10491670)
Well, it's not THAT hard. Find a good host with clean IPs, check the IP against RBLs before embarking on running your own email, if it's listed demand a clean IP instead.
It's not the easiest thing in the world, but it's far from brain surgery.
I ended up ditching the self hosting route and went with an Exchange Online hosted email subscription at $5 per month and never looked back.
https://products.office.com/en-ca/exchange/exchange-online