I've been getting a lot of mail like this recently. I've had to kill exim and
restart it to get the system to stop declaring a particular domain as being
unrouteable. But what would cause it to begin with?
-----Original Message-----
From: Mail Delivery System [
mailto:Mailer-Daemon@labnet.com]
Sent: Saturday, May 17, 2003 6:47 PM
To: info@???
Subject: Mail delivery failed: returning message to sender
This message was created automatically by mail delivery software (Exim).
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
k[censored]d@???
unrouteable mail domain "aol.com"
r[censored]n@???
unrouteable mail domain "aol.com"
r[censored]5@???
unrouteable mail domain "aol.com"