Which three components are required for a BlackBerry device user to send and receive S/MIME encrypted email messages? (Choose three.) | Blackberry

A. A BlackBerry Enterprise Server that is enabled for S/MIME email messaging
B. BlackBerry Desktop Manager installed with Certificate Synchronization
C. The BlackBerry device user's private key stored on the BlackBerry device or the BlackBerry Smart
Card Reader
D. The S/MIME Support Package installed on the BlackBerry device
E. The S/MIME Support Package installed on the BlackBerry Enterprise Server

Answer: A,C,D