You have an Exchange Server 2010 organization that contains an Edge Transport server
named Edge1. All email messages to the Internet are sent from Edge1.
You need to prevent all members of a group named Group1 from sending email messages
to the Internet.
Your solution must provide a custom non-delivery report (NDR) message to the users when
they send an e-mail message to the Internet.
What should you create?

A.
a custom MailTip and a transport rule

B.
a custom MailTip, a remote domain, and a Send connector

C.
a custom Delivery Status Notification message and a transport rule

D.
a custom Delivery Status Notification message and a Send connector