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Name Resolution is wonky.

Posted on 2008-02-05
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Last Modified: 2010-04-21
Thanks in advance.
We were just recently acquired by another company and have added their email domain to Exchange. The problem that we are seeing is that Exchange is resolving names twice for addresses at the company that acquired us. If bob.smith@xyz.com has an alternate address as Robert.Smith@xyz.com then 2 messages will be recieved if they are both included in the address fields. Is there any way that I can force Exchange to do the name lookup on their server and only send one copy? They are using a Domino server and are accepting all email for both companies through an external spam screener.They do lookups on their side for our addresses and then forward to Exchange.
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Question by:chismoto
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Chris Dent earned 750 total points
ID: 20830878

That presumably only applies to External mail delivered into Exchange?

If two messages are being submitted to Exchange by the server in front of it then you will end up with two messages being delivered by Exchange. Is it possible for you to verify whether two individual messages are being submitted (Message Tracking perhaps)?

Chris
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by:chismoto
ID: 20831809
Problem solved after more research. An alias email address was used in the email chain and the recieving email server did not combine them.
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Author Closing Comment

by:chismoto
ID: 31428255
There were duplicate (alias) addresses and the receiving server did not aggregate them.  
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