A possible explanation might be a filter or something at AOL. My server says:
----- Transcript of session follows -----
... while talking to air-ya02.mail.aol.com.:
>>> RCPT To:<jmh7273@aol.com>
<<< 550 jmh7273 IS NOT ACCEPTING MAIL FROM THIS SENDER
550 <jmh7273@aol.com>... User unknown
Maybe you could set up a temporary free yahoo.com address or something, and use that.
