Multiple Exchange 2010 email provisions on a single domain.

Hello all again,

I have been tasked  to provision different email addresses for business units within my organization.
As an example: Currently using big.tom@kansascity.com for all our email. However, they are also wanting tiny.tim@miami.com. The issue is we do not have any sub-domains for Miami. We have a single domain Forest without any sub-domains. Thus, is there a way to accomplish this keeping in mind yet another hurdle: Miami is part of our domain, and they want the email to read separately as @miami.com.
Building a child domain isn't an option and note: since @miami.com is just a hopeful extension there is no MX record for it.
Any ideas, thoughts, or help would be appreciated.

Thanks

Ryan
kryanCAsked:
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Nick RhodeIT DirectorCommented:
Externally you would create another MX record to point the email to your exchange (along with DNS).

You would then add an accepted domain to your exchange server and you can create a policy or either assign the address to the users mailbox etc so they can recieve both and so forth.  Add an accepted domain to your exchange basically states it will accept email from that address in which your case is @miami.com etc.  So your exchange will then start recieving both @kansascity and @miami.
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kryanCAuthor Commented:
NRhode,

 Let me see if I follow because I am still new to Exchange. We own the miami.com domain so all I need to do is when I set the MX record is to point it at the same settings as the @kansascity.com MX record?
Next I add the new domain to be accepted in my Exchange, and that is basically it. So, I would be able to assign mailboxes to be either big.boy@kansascity.com or big.boy@miami.com or even both?

If I am off let me know.

Regards
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Will SzymkowskiSenior Solution ArchitectCommented:
The steps above are correct.

- Create MX record for miami.com pointing to the external IP of your current Exchange server
- Add the Accepted Domain (in Exchange)
- Create an Email Address Policy for users that will use the (@miami.com domain)

There are several different ways you can apply email address policies to user accounts. See the below link for details...

http://answers.oreilly.com/topic/1240-how-to-create-and-manage-exchange-server-2010-e-mail-address-policies/


Will.
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Nick RhodeIT DirectorCommented:
Answering your question, Yes

:)
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kryanCAuthor Commented:
Awesome, thank you for the guidance. This really saved me a lot a busy work.

Thanks

Ryan
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