I have no idea what AOL did or what they look for. They said as long as mail originated from listserv.corvettemuseum.com we would not be blocked. I think you are blocked by default and then they unblock you on a case by case basis. Glenn Lenny Huntley wrote: > > As we are experiencing a similar problem at my company and you seem to have > resolved yours my question to you is this. Do you know how AOL was blocking > your Mail Server. Was it by I.P. Address or by DNS name or by Domain name > etc..... This info would be extremely valuable as we are trying to come up > with a solution to get our subscribed to newsletter out to all of our AOL > customers without having to wait for Donald to fix the problem. >