Cisco Cisco Email Security Appliance C650 Guía Del Usuario
6-5
Cisco AsyncOS 8.0 for Email User Guide
Chapter 6 Reputation Filtering
Editing Reputation Filtering Score Thresholds for a Listener
Note
Other settings related to SBRS score thresholds, and Mail Flow Policy settings, are described in
Before You Begin
•
If your Cisco appliance is set to receive mail from a local MX/MTA, identify upstream hosts that
may mask the sender's IP address. See
may mask the sender's IP address. See
for more information.
•
Understand Sender Base Reputation Scores. See
.
•
Choose a filtering approach for your organization and note the recommended settings for that
approach. See
approach. See
Procedure
Step 1
Select Mail Policies > HAT Overview.
Step 2
Select the public listener from the Sender Groups (Listener) menu.
Step 3
Click the link for a sender group.
For example, click the “SUSPECTLIST” link.
Step 4
Click Edit Settings.
Step 5
Enter the range of SenderBase Reputation Scores for this sender group.
For example, for “WHITELIST,” enter the range 7.0 to 10.
Step 6
Click Submit.
Step 7
Repeat as needed for each sender group for this listener.
Step 8
Commit changes.
Related Topics
•
•
Testing Reputation Filtering Using the SBRS
Unless you regularly receive a large portion of spam, or you have set up “dummy” accounts to
specifically receive spam for your organization, it may be difficult to immediately test the SBRS policies
you have implemented. However, if you add entries for reputation filtering with SenderBase Reputation
Scores into a listener’s HAT as indicated in
specifically receive spam for your organization, it may be difficult to immediately test the SBRS policies
you have implemented. However, if you add entries for reputation filtering with SenderBase Reputation
Scores into a listener’s HAT as indicated in
, you will notice that a smaller percentage of
inbound mail will be “unclassified.”
Test the policies using the
trace
command with an arbitrary SBRS. See
. The
trace
command is available in the CLI as well as the GUI.