Basically, you are sending to users who do not exist - why would you expect them to be delivered???

--�
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, Alan C asked:

| Hello all,
|
| I am getting lots of these undeliverable messages even to emails
| within my own domain. Any idea why or who to diagnose? please
| advise.
|
|
| Undeliverable: Contract
| System Administrator
| Your message did not reach some or all of the intended recipients.
|
| Subject: Contract
| Sent: 12/30/2006 8:19 AM
|
| The following recipient(s) could not be reached:
|
| ' on 12/30/2006 8:19 AM
| 554 : Recipient address rejected:
| Access denied
|
| on 12/30/2006 8:19 AM
| 554 : Recipient address rejected:
| Access denied