Is it exactly 4 messages each time or is it multiple spearate messages on
As Mary noted, check the rules.
The messages have the same message ID, which can be indicative of a problem.
Are they on the same Exchange server, or on different Exchange servers? If
they are using RPC over HTTP(s), do you see any errors in the Outlook synch
logs? If they are on different servers, is their a firewall, such as a
Cisco PIX running mailguard, between them.
Bob Christian II
MVP - LCS