Hosted Exchange 2013 - Disable Domain of a Tenant

Hello ,


We have an Exchange 2013 multitenant installation for our customers. We use address book policy for the isolation through website panel . A customer A move his domain to our infastructure but he is not started to use it yet.He is using his mail server until finish decomision .  Another customer B in our Exchange infastructure wants to send email to customer A but the problem is that email from customer A stays inside our Exchange because the mail users exist in Exchange. How i can bypass this so the emails go to the email server of the customer in his premise installation  ?

Thanks
Anestis PsomasSystem and Network AdministratorAsked:
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Chad FranksSenior System EngineerCommented:
Setup a new transport rule between company A and company B.  That way any messages coming from company A to company B will use this new rule...
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Anestis PsomasSystem and Network AdministratorAuthor Commented:
Can i tell to this transport rule that to communicate with company B speak with MX Records outside our Exchange ?

Thanks
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