Subject: [clisp-list] Returned mail: see transcript for details

From: Mail Delivery Subsystem <[email-masked]>
Date: Fri Nov 16 05:43:12 2001

The original message was received at Thu, 15 Nov 2001 17:31:18 -0600 (CST)
from mr7att.ericy.com [138.85.92.15]

   ----- The following addresses had permanent fatal errors -----
<[email-masked]>
    (reason: 550-host imr2.ericy.com [12.34.240.68] is not permitted to relay )

   ----- Transcript of session follows -----
... while talking to mail.sourceforge.net.:
>>> RCPT To:<[email-masked]>
<<< 550-host imr2.ericy.com [12.34.240.68] is not permitted to relay 
<<< 550-through usw-sf-list1.sourceforge.net.
<<< 550 relaying to <[email-masked]> prohibited by administrator
550 5.1.1 <[email-masked]>... User unknown