It's unlikely to be a bug, but it's hard to say with so few details. What
exactly do you receive? What versions of Outlook and Exchange are involved?
There are certainly several scenarios that could cause this, but the problem
(and solution) are likely to be on the sender's end, not yours.
--
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers