I have "cleaned" the reputation of an AWS IP address that I've got a mail server behind. It wasn't bad, but it should be a step in any guide on on setting up a

I have "cleaned" the reputation of an AWS IP address that I've got a mail server behind. It wasn't bad, but it should be a step in any guide on on setting up a server. There are lists of blocklists you can check to see if you're blocked, and manually request your IP be removed (only takes a few minutes.) I had to open a ticket with Yahoo to get unblocked, but that was it.