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Old 08-27-2009, 06:15 PM   #5 (permalink)
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Originally Posted by penguin3107 View Post
Exchange uses MAPI and sends a UDP Notify packet to BES to alert it that there is a new message to be delivered.
Think about the situation of this post. If the client established the session first then this is merely part of the MAPI conversation and since the client established it there should (in most cases) be no need for FW rule adjustment.
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