Lists at our sites (vt.edu) have been getting the following messages:

ERR FIRST LAST   Address
22  01/23 02/05  [log in to unmask]
                 Last error: unavailable; DSN status was 5.1.1

The id's are valid and the users are getting their mail, but they are
getting deleted. I am runnig 1.8c

Thanks for any help I can get

john worrell