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Delivering email between Exchange server test and production domains

I have an Exchange server in a test domain. I also have multiple production Exchange servers in my production domain that all have trusts established.

When sending an email to the production mail address: from, it does not get delivered. Can you please help me set up the mail delivery?

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It sounds like you're trying to send email from an internal test Exchange organization ( to an internal production Exchange organization (

If this is the case, your sending Exchange server in the test domain will need to point to a DNS server that is aware of the Mail Exchanger (MX) record for Once you define this MX record, your sending server will deliver to the appropriate gateway in

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This was first published in September 2009

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