An Administrator Identifies That, Over the Past Week, the Cisco

Multiple Choice

An administrator identifies that, over the past week, the Cisco ESA is receiving many emails from certain senders and domains which are being consistently quarantined. The administrator wants to ensure that these senders and domain are unable to send anymore emails. Which feature on Cisco ESA should be used to achieve this?

A) incoming mail policies
B) safelist
C) blocklist
D) S/MIME Sending Profile