Email encryption is configured on a Cisco ESA that uses CRES.
Which action is taken on a message when CRES is unavailable?
A. It is requeued.
B. It is sent in cleartext.
C. It is dropped and an error message is sent to the sender.
D. It is encrypted by a Cisco encryption appliance.
Correct is A
“If a temporary condition exists that prohibits the encryption of emails in the queue (i.e., temporary C-Series busyness or CRES unavailability), messages are re-queued and retried at a later time.”