You need to configure external Out of Facility (OOF) messages on a per-user basis

You have an Exchange Server 2007 environment. You need to configure external Out of Facility (OOF) messages on a per-user basis. What should you do?

A.
Use the Exchange Management Console

B.
Run the Set-Mailbox cmdlet

C.
Run the Set-MailUser cmdlet

D.
Run the Set-EmailAddressPolicy cmdlet