Your network consists of a single Active Directory domain named contoso.local. You deploy Exchange Server 2003 on the network.
You need to ensure that all mailbox-enabled users are assigned a SMTP e-mail address that uses the [email protected] format.
What should you do?
A.
Add a UPN suffix.
B.
Create a new address list.
C.
Modify the default recipient policy.
D.
Create a new mailbox store system policy.