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Old 08-27-2009, 07:02 PM   #6 (permalink)
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Originally Posted by penguin3107 View Post
Sorry, but this is not true.
In Domino and Groupwise environments, BES scans the mailboxes on a schedule for changes... but this is not the case for Exchange.

Exchange uses MAPI and sends a UDP Notify packet to BES to alert it that there is a new message to be delivered.

If there is heavy network traffic, or some other reason to prevent the UDP Notify packet from reaching BES, only then will BES issue a mailbox rescan to have a look around.

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