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question about redundant exchange front end servers and sites

hello I am designing a mail system for 3 branch offices York, Hull and Blackpool. WHat i have envisioned is for there to be the back end exchange 2003 servers ( one at each site) containing mailboxes for users from that sire and 3 front end servers ( one at each site) message labs will be handling our mail before passing it to us. I thought we would have an MX record that has all 3 listed then if there was a problem with Yorks server or link mail would go to Hull and be queued awaiting York to come back up. there will be vpns linking all three sites to the other 2 . we are aiming to have a system that is redundant as we have concerns about SLAs and also to have a unified namespace. ANy comments will be appreciated. thanks
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chunkyd01
Asked:
chunkyd01
1 Solution
 
SembeeCommented:
If message labs are handling your email, then it will be their servers that are in the MX records.
However there is nothing to stop you from having all three sites able to accept email for the Exchange org. Once the email hits the Exchange org Exchange will deal with its correct delivery. You just have to ensure that all servers in the org can see each other. If they cannot, then they will queue.

Simon.
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