I have been getting this NDR intermittently and it is not address specific.
I have been unsuccessfull in finding any info on it in the Knowledge Base
or on Dejanews. Any Ideas or suggestions

The following recipient(s) could not be reached:

user@domain.com on 10/8/2001 5:54 PM
Your mail system could not find a way to successfully communicate
with the destination system. Please notify your administrator.
<server.corp.domain.com #5.5.0>
I am running Exchange2K sp1