What are two benefits to deploying a threat-monitoring appliance for SMTP traffic? (Choose two.)
A. Email content security appliances detect malware and detonate it in a sandbox environment for further analysis.
B. Email content security appliances allow Snort rules to trigger system administrator alerts.
C. Email content security appliances can filter sensitive outbound email.
D. Reputation-based filtering can be deployed to filter a large percentage of spam email.
E. Email content security appliances establish secure tunnels between end-user email clients and the SMTP server, reducing the need for email authentication.
