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I am very new with exchange server.

I have one linux based smtp mail server and one exchange server 2013 installed on windows server 2012.

I am trying to implement a mail flow architecture as:
Both servers will have same domain for example with same users.
Some user's mail box will be on Exchange server and some user's mail box will be on my linux based mail server.

My problem is, if user having mail box on exchange server sends a mail to user having mail box on my linux based mail server then it should get forwarded to my linux based mail server from exchange server.

I tryied some google search I aget that it is possible using one child domain and send connector, but I do not have any idea of exchange server. Can any one explne me this step by step.

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closed as off-topic by TheCleaner, mdpc, Katherine Villyard, Ward, Wesley Apr 12 '14 at 4:20

This question appears to be off-topic. The users who voted to close gave these specific reasons:

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You may look over my answer here, it is "similar" to what you are after:… - I'd be happy to discuss in detail. – TheCleaner Apr 10 '14 at 16:04
I am not able to set forwarding to contact. If I go to recipients > mailboxes > open mail box for which I want to set forwarding > Mail box feature tab > Mail flow. Then I Click on enable forwarding and click on brows button I can not see my newly added contact there. – Yugendra Apr 11 '14 at 6:12
Did you read my answer there? Shared SMTP Namespace issues aren't easy to setup if you are "very new with Exchange" may consider hiring an Exchange consultant. – TheCleaner Apr 11 '14 at 12:55
I figure out the way. Now I am able to route mails on my linux server from exchange. I simply add users having mail box on linux server in contacts of exchange and one send connector which sends outgoing mails on my linux server. Thanks for help. – Yugendra Apr 11 '14 at 13:03
up vote 0 down vote accepted

This is exactly how Microsoft manages a hybrid Exchange deployment.

  1. Create a mail-enabled contact on your Exchange server following this tutorial. Use a child domain for the addresses (
  2. Create an alias/forward on the Linux server that forwards mail addressed to to ( being an account on the Linux server).
share|improve this answer
After adding forwarding, I want to route that forwarded mail to my linux server using send connectore. Is it posible? – Yugendra Apr 11 '14 at 5:37
I am not able to set forwarding using Set-Mailbox cmdlets. When I run command in powershell it shows error that the term 'Set-Mailbox' is not recognized as name of cmdlet. – Yugendra Apr 11 '14 at 6:15
Are you in the Exchange Management Shell or normal PowerShell? – saltface Apr 11 '14 at 14:16
I was trying it using normal PowerShell. Any way I did it using GUI of Exchange Admin Center. I have resolve my problem. – Yugendra Apr 14 '14 at 5:45

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