You have an Exchange Server 2010 organization. A user named Userl connects to his mailbox
using Microsoft Office Outlook. Userl reports that he is unable to send encrypted email messages
to an external recipient named User2.
You verify that Userl and User2 have email encryption certificates.
You need to ensure that Userl can send encrypted email messages to User2.
What should you do first?

A.
Instruct User2 to add a delegate.

B.
Instruct User2 to send a signed email message to Userl.

C.
Instruct Userl to send a signed email message to User2.

D.
Instruct Userl to modify the sensitivity settings of the email message.