I'm a comcast customer (there is no choice where I live) and there are reasons why this is not possible: 1. I can only send/receive SMTP through their servers.

I'm a comcast customer (there is no choice where I live) and there are reasons why this is not possible: 1. I can only send/receive SMTP through their servers. 2. Static IPs cost a lot. When I canceled my static IP it was ~$25/mo (it was previously something like $5/mo).