You have an Exchange Server 2010 organization. Your company’s compliance policy states the following： .Delete e-mail messages sent to legal department users that are older than 180 days. .Delete e-mail messages sent to all other users that are older than 60 days You need to recommend a solution that meets the requirements of the compliance policy. What should you recommend？（）

A. Configure deleted item retention for all users.
B. Configure Personal Archives for the legal department users.
Create two Managed Folder mailbox policies. Use one policy for the legal department users. Use the other policy for all other users.
D. Create two new message classifications. Use one message classification for the e-mails sent to legal department users. Use the other message classification for the e-mails sent to all other users.