Cisco Cisco Email Security Appliance C650 Guía Del Usuario
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Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
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Chapter 5 Configuring the Gateway to Receive Email
Figure 5-22
Host Access Table Using SenderBase Reputation Scores
Reordering the HAT
The order of entries in a HAT is important. Remember that the HAT is read from top to bottom for each
host that attempts to connect to the listener. If a rule matches a connecting host, the action is taken for
that connection immediately.
host that attempts to connect to the listener. If a rule matches a connecting host, the action is taken for
that connection immediately.
For example, if you specify a CIDR block in Sender Group A (using policy 1) and create Sender Group
B for an IP address within that CIDR block, the policy in Sender Group B will never be applied.
B for an IP address within that CIDR block, the policy in Sender Group B will never be applied.
Step 1
From the HAT Overview page, click Edit Order The Edit Sender Group Order page is displayed.
Step 2
Type the new order for existing rows of the HAT.
Step 3
Submit and commit your changes.
The HAT Overview page refreshes with the new order displayed.
In the following example shown in
, the order is being changed so that trusted senders are
processed first, blocked senders are processed next, and unknown or suspected senders are processed
last.
last.