Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
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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
Figure 7-11
Listing Matching Entries in the Exception Table
Testing Your Settings for Messages from Unverified Senders
Now that you have configured sender verification settings, you can verify the behavior of your appliance.
Note that testing DNS-related settings is beyond the scope of this document.
Related Topics
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Sending a Test Message with a Malformed MAIL FROM Sender Address
While it may be difficult to test the various DNS-related settings for your THROTTLED policy, you can
test the malformed MAIL FROM setting.
test the malformed MAIL FROM setting.
Procedure
Step 1
Open a Telnet session to your appliance.
Step 2
Use SMTP commands to send a test message with a malformed MAIL FROM (something like “admin”
without a domain).
without a domain).
Note
If you have configured your appliance to use a default domain or to specifically allow partial
domains when sending or receiving email or if you have enabled address parsing (see the
“Configuring the Gateway to Receive Email” chapter) you may not be able to create, send, and
receive an email with a missing or malformed domain.
domains when sending or receiving email or if you have enabled address parsing (see the
“Configuring the Gateway to Receive Email” chapter) you may not be able to create, send, and
receive an email with a missing or malformed domain.
Step 3
Verify that the message is rejected.
# telnet IP_address_of_Email_Security_Appliance port
220 hostname ESMTP
helo example.com
250 hostname