[texhax] Problem with xy-pic at tug.org

[Michael Barr]

Does anyone know why mail to the xy-pic list was rejected.  Here is a 
partial transcript.  Note that delivery was attempted for a whole 24 
seconds before it was killed:

  ----- The following addresses had permanent fatal errors -----
<xy-pic at tug.org>

   ----- Transcript of session follows -----
Message could not be delivered for too long
Message will be deleted from queue

    [ Part 2: "Delivery Status" ]

Reporting-MTA: dns; trickle.cc.mcgill.ca
Arrival-Date: Tue, 7 Nov 2006 18:03:21 -0500 (EST)

Final-Recipient: RFC822; xy-pic at tug.org
Action: failed
Status: 4.4.7
Last-Attempt-Date: Tue, 7 Nov 2006 18:03:45 -0500 (EST)

Michael Barr