You have an Exchange Server 2010 organization.
You have a group named Group1 that contains 10,000 members.
You need to ensure that an informative message is displayed when users add Group1 to the
recipient list of an e-mail message.
What should you do?
A.
Configure a MailTip.
B.
Create a transport rule.
C.
Create a Send connector.
D.
Configure an expansion server.