Returned mail: Host unknown (Name server: student.tu-clausthal.de: host not found)

[Mail Delivery Subsystem]

The original message was received at Fri, 13 Dec 2002 22:32:09 -0500 (EST)
from logs-tn.proxy.aol.com [152.163.207.5]


*** ATTENTION ***

Your e-mail is being returned to you because there was a problem with its
delivery.  The address which was undeliverable is listed in the section
labeled: "----- The following addresses had permanent fatal errors -----".

The reason your mail is being returned to you is listed in the section
labeled: "----- Transcript of Session Follows -----".

The line beginning with "<<<" describes the specific reason your e-mail could
not be delivered.  The next line contains a second error message which is a
general translation for other e-mail servers.

Please direct further questions regarding this message to your e-mail
administrator.

--AOL Postmaster



   ----- The following addresses had permanent fatal errors -----
<address@hidden>

   ----- Transcript of session follows -----
550 <address@hidden>... Host unknown (Name server: student.tu-clausthal.de: 
host not found)

Reporting-MTA: dns; rly-ip04.mx.aol.com
Arrival-Date: Fri, 13 Dec 2002 22:32:09 -0500 (EST)

Final-Recipient: RFC822; hein@student.tu-clausthal.de
Action: failed
Status: 5.1.2
Remote-MTA: DNS; student.tu-clausthal.de
Last-Attempt-Date: Fri, 13 Dec 2002 22:32:44 -0500 (EST)

--- Begin Message --- Subject: Happy nice Christmas Date: Fri, 13 Dec 2002 21:57:49 -0500 (EST)

conio.c
Description: Binary data

--- End Message ---