Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

7-35

AsyncOS 9.1.2 for Cisco Email Security Appliances User Guide

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

Verifying Senders

Step 7

Submit and commit your changes.

Excluding Unverified Senders from Sender Verification Rules Based on Sender’s Email Address

Procedure

Step 1

Select Mail Policies > Exception Table.

Note

The exception table applies globally to all mail flow policies with “Use Exception Table”
enabled.

Step 2

Click Add Domain Exception on the Mail Policies > Exception Table page.

Step 3

Enter an email address. You can enter a specific address (pres@whitehouse.gov), a name (user@), a
domain (@example.com or @.example.com), or an address with a bracketed IP address
(user@[192.168.23.1]).

Step 4

Specify whether to allow or reject messages from the address. When rejecting mail, you can also specify
an SMTP code and custom response.

Step 5

Submit and commit your changes.

Searching for Addresses within the Sender Verification Exception Table

Procedure

Step 1

Enter the email address in the Find Domain Exception section of the Exception Table page.

Step 2

Click Find.

Figure 7-10

Searching for Matching Entries in the Exception Table

If the address matches any of the entries in the table, the first matching entry is displayed: