After applying Service Pack 4 and Exchange 5.5 IMC Patch
2655.55, we can no longer send internet mail.
Outlook clients receive message e.g.
Your message did not reach some or all of the intended
Subject: Test 17-06-2003 9:28
Sent: 17/06/03 09:24
The following recipient(s) could not be reached:
Unable to deliver the message due to a
The MTS-ID of the original message is:
(000B09B6) Host Unknown
Domain names are resolving fine on the exchange server but
errors are appearing in the event log from the IMC e.g.
"Can't resolve the host <unknown> (for 1) in order to
deliver one or more messages. "
the '(for 1)' in the event log error suspicious, should
that give me a clue?
Can anyone help?
Thanks in advance,