Removing an email domain from Exchange 2010

The exchange server has two email domains and we need to remove one of them from the server.
How do I go about this process?  

Its an Exchange 2010 running on a SBS 2011 Srv.
schas123Asked:
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ambatihpCommented:
Two places to check:
Click on Edge Transport, and then in the work pane, click the Accepted Domains tab.
Delete the domain that you don't want the mails to be received,

In the console tree, expand Organization Configuration, select Hub Transport, and then in the work pane, click the Accepted Domains tab.
Delete the domain that you don't want the mails to be received,
schas123Author Commented:
Hi,

Thanks for your help but I cant find the Edge Transport?
schas123Author Commented:
or is it one or the other?
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tshearonCommented:
To remove an accepted domain on a computer that has the Hub Transport server role installed, on that computer, in the console tree, expand Organization Configuration, select Hub Transport, and then in the work pane, click the Accepted Domains tab. In the result pane, select the accepted domain that you want to remove, and then in the action pane, click Remove.
schas123Author Commented:
tshearon I have done that, do I need to look for Edge Transport too?
tshearonCommented:
Only if you have that role installed. It sounds like you do not.

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