Why does the last field show SYSTEM in the Policy ID column?

Refer to the exhibit which displays a history log entry.

Why does the last field show SYSTEM in the Policy ID column?
A . The email was dropped by a system blocklist.
B . It is an inbound email.
C . The email matched a system-level authentication policy.
D . The email did not match a recipient-based policy.

View Answer

Answer: D