The following recipient(s) could not be reached:
email@example.com on 8/6/2004 7:34 AM
A configuration error in the e-mail system caused the message to bounce between two servers or to be forwarded between two recipients. Contact your administrator.
< border2.email-as.net #5.3.5 SMTP; 553 5.3.5 system config error>
I am running a Exchange 2000 server. The user was able to mail this contact before with no issue. I'm not sure what the senders mail set up is.