Which two features of Cisco Email Security are added to a Sender Group to protect an organization against email threats? (Choose two.)
A. NetFlow
B. geolocation-based filtering
C. heuristic-based filtering
D. senderbase reputation filtering
E. content disarm and reconstruction
B, D
Sender group is a list of IPs (remote SMTP).
You can filter per geolocation or based on reputaion.