Running your own mailserver is easy enough if you have an IP that isn't blacklisted. Most residential IP's will be on the Spamhaus PBL which will cause issues.

Running your own mailserver is easy enough if you have an IP that isn't blacklisted. Most residential IP's will be on the Spamhaus PBL which will cause issues. You can run a mailserver on a $5/month VPS without issue as long as you have a dedicated IP and you check for blacklist entries before you start.