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Address ReWrite Policy and Exchange 2007

How are identical names handled by the Address ReWrite Policy in Ex2007?

I have two users: mike@mycompany.com, the other mike@big.mycompany.com

Using the policy mike@big.mycompany.com would become mike@mycompany.com to the outside world. I don't see an issue if a user replies to the email but how is this resolved if they were to type the address in manually?
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xmouser
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xmouser
1 Solution
 
Jamie McKillopIT ManagerCommented:
Hello,

Whether a external recipient replies or manually enters the address in a new message, you are going to end up with the same problem. When mike@big.mycompany.com sends mail externally, the reply is not going to come back to him, it is going to come back to the mailbox with the SMTP address mike@mycompany.com. In order for the address rewrite policy to function correctly, the left hand portion of your email addresses must be unique across both domains. To accomplish this, you can create separate rewrite policies on a per user basis to deal with the conflicts. For example, you could rewrite mike@big.mycompany.com to mike1@mycompany.com. You just have to determine how you were planning on resolving the conflicts when you eventually merged the two organizations anyway.

JJ
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