Exchange 2007 SP3

How do I create 2 emails addresses for a single user,

Say I have a user named:
Steve Smith:

AD user account is stevesmith,   email account is

I want to create another email account:, but I want to keep his AD logon ID as stevesmith.

How do I do that?
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RantCanConnect With a Mentor Sr. Systems AdministratorCommented:
Go into your exchange management tool, select the user's mailbox, select email addresses; add the second email address. See below:
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