On Mon, 2006-10-04 at 11:45 +0100, Andy Burns wrote: > Paul Howarth wrote: > > > The URL referenced in the rejection suggests that this is a > > content-based rejection, Maybe AOL are rejecting mail from some > > commonly-compromised web apps? Strange though that the mail should go > > through if you send it via your own mail server and not your ISP's. > > I think AOL will only accept mail from servers for which the forward > *and* reverse DNS match the server's IP actual address, though this > might not be what is catching your server out, as I thought they gave a > quite explicit message when failing their DNS tests. No as a matter of a fact, they give a generic response and require the administrator of the the server hosting the email domain to create some kind of feedback loop. AOL does not provide email contacts and is far from helpful if you are trying to help someone and are contacting them from another domain.