hillary-like personal email server appliances

Except, like I said, ISPs are happy to host your flag burning videos. Go ahead and read the ToS of any of those cheap providers. And go ahead and do it -- you'll be fine.

If you're looking for an ISP with zero restrictions (and it sounds like you are), you'll never find it. Just like, if you're looking for a street corner with zero free speech restrictions, you'll never find it. There are too many people who want to abuse the privilege.

The rules must allow for the abusers to be shut down.