Cisco Cisco Email Security Appliance C160 Mode D'Emploi

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Cisco AsyncOS 9.5 for Email User Guide

Chapter 7 Defining Which Hosts Are Allowed to Connect Using the Host Access Table (HAT)

Verifying Senders

Submit and commit your changes.

Figure 7-8

HAT Overview

Defining Messages to Send to Unverified Senders Using the ACCEPTED Mail Flow Policy

Procedure

Step 1

Select Mail Policies > Mail Flow Policies.

Step 2

On the Mail Flow Policies page, click on the ACCEPTED mail flow policy.

Step 3

Scroll to the bottom of the mail flow policy:

Figure 7-9

ACCEPTED Mail Flow Policy Envelope Sender DNS Verification Settings

Step 4

Select On to enable envelope sender DNS verification for this mail flow policy.

Step 5

You may also define custom SMTP code and responses.

Step 6

Enable the domain exception table by selecting On for “Use Domain Exception Table.”