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…

The correct answer is A. incoming mail policies. To completely prevent specific senders or domains from delivering any emails, incoming mail policies should be used (Option A). By creating a dedicated incoming mail policy that matches those senders/domains and configuring the action to drop or reject the connection, the ESA…

Cisco ESA LDAP, Mail Policies, and Authentication

Question

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?

Options

Aincoming mail policies
Bsafelist
Cblocklist
DS/MIME Sending Profile

How the community answered

(68 responses)

A
75% (51)
B
15% (10)
C
4% (3)
D
6% (4)

Explanation

To completely prevent specific senders or domains from delivering any emails, incoming mail policies should be used (Option A). By creating a dedicated incoming mail policy that matches those senders/domains and configuring the action to drop or reject the connection, the ESA will refuse to accept their messages entirely. This is more definitive than the blocklist (Option C), which is tied to spam quarantine and marks messages as spam rather than outright refusing delivery. Option B (safelist) does the opposite - it whitelists senders. Option D (S/MIME Sending Profile) is unrelated, as it governs signed/encrypted outgoing mail. Incoming mail policies with a drop or reject action are the correct mechanism to ensure blocked senders cannot deliver email to the organization.

Topics

#Cisco ESA#Mail Policies#Sender Blocking#Email Security

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