I am getting bounced emails from a user who I know. He assures me that he has had that email address for many years and it is indeed valid and he uses it all the time. It's always been the email address associated with my site.
If there is more information need to fix this issue let me know.
It's AOL, they are a pain in the arse for mail delivery. The IP address your site is hosted on I've only had for over a month since the new dedicated server was set up. They basically blacklist whole IP blocks.