Following the Leak of Confidential Business Contracts, a Company's Legal

Following the leak of confidential business contracts, a company's Legal department mandates that all outbound communication from the Finance department must be secure at all times. Which two policy strategies can help the messaging administrator accomplish this in Symantec Messaging Gateway 10.5? (Select two.)

A) Deliver message using TLS
B) Block direct client access to corporate email servers
C) Deliver message with notification
D) Deliver message with content encryption
E) Configure firewall to only accept outbound SMTP connections from the Symantec Messaging Gateway scanners