You have an Exchange Server 2010 organization named contoso.com.

You need to add a disclaimer to all email messages sent by members of a mail-enabled group named Group1.

What should you do?

A.
From the Exchange Control Panel (ECP), configure a MailTip.

B.
From the Exchange Management Console (EMC), create a transport rule.

C.
From the Exchange Management Shell, run the Set-TransportConfig cmdlet.

D.
From the Exchange Management Shell, run the New-SystemMessage cmdlet.