You have a hosted Exchange organization. All servers in the organization have Exchange
Server 2010 Service Pack 1 (SP1) installed.
All users run Microsoft Outlook 2010.
You need to ensure that users are notified before they send e-mail messages to external
recipients.
Which cmdlet should you run?

A.
set-Mailbox

B.
set-OrganizationConfig

C.
set-TransportAgent

D.
set-TransportConfig