You have an Exchange Server 2010 organization.  All users on the network connect to their mailboxes by using Microsoft Office Outlook. Your companys compliance policy states that： .A copy of e-mail messages sent to the human resources department from the Internet must be archived.All archived e-mail messages must be stored on a third-party archival server  You need to recommend a solution that meets the requirements of the compliance policy.  What should you include in the solution？（）

• A、journal rules
• B、personal archives
• C、Retention Policies
• D、Transport Protection Rules