My reply to your email is being returned to me. See below....

Your message cannot be delivered to the following recipients:

Recipient address: Arrowdie@adelphia.net
Reason: Remote SMTP server has rejected address
Diagnostic code: smtp;550 5.1.1 ... User unknown
Remote system: dns;mx3.dc2.adelphia.net (mx3.dc2.adelphia.net ESMTP Sendmail 8.12.3/8.12.3; Sun, 8 Sep 2002 18:25:33 -0400 [EDT])