Delivery reports about your e-mail

The original message was received at Sat, 23 Jul 2005 00:51:12 -0700 from lists.plug.phoenix.az.us [49.226.114.204]

----- The following addresses had permanent fatal errors -----
<lurker@lists.plug.phoenix.az.us>

----- Transcript of session follows -----
... while talking to 142.5.124.61:
>>> MAIL From:"Mail Delivery Subsystem" <MAILER-DAEMON@lists.plug.phoenix.az.us>
<<< 501 Access denied