You have an Exchange Server 2010 organization. <br /> Your company has a relationship with another company. <br /> The partner company has an Exchange Server 2010 organization. <br /> You need to recommend a security solution to meet the following requirements: <br /> .Ensure that all e-mail delivery between your servers and the partner companys servers is encrypted .Ensure that all communication between your servers and the partner companys servers is authenticated<br /> What should you include in the solution?()
A、Active Directory Rights Management Services (AD RMS)
B、Domain Security
C、Forms-based Authentication
D、Secure/Multipurpose Internet Mail Extensions (S/MIME)