Cisco Cisco Email Security Appliance C160 Mode D'Emploi
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Cisco AsyncOS 8.5.6 for Email User Guide
Chapter 13 Anti-Spam
Defining Anti-Spam Policies
Configuring Cisco Intelligent Multi-Scan
Note
When Cisco Intelligent Multi-Scan is enabled during system setup, it is enabled for the default incoming
mail policy with the default values for the global settings.
mail policy with the default values for the global settings.
Before You Begin
Activate the feature key for this feature. See
. You will see the IronPort
Intelligent Multi-Scan option only if you have done so.
Procedure
Step 1
Select Security Services > IronPort Intelligent Multi-Scan.
Step 2
If you have not enabled Cisco Intelligent Multi-Scan in the system setup wizard:
a.
Click Enable.
b.
Scroll to the bottom of the license agreement page and click Accept to accept the agreement.
Step 3
Click Edit Global Settings.
Step 4
Select the check box for Enable IronPort Intelligent Multi-Scan.
Checking this box enables the feature globally for the appliance. However, you must still enable
per-recipient settings in Mail Policies.
per-recipient settings in Mail Policies.
Step 5
Choose a value for the maximum message size to scan by Cisco Intelligent Multi-Scan.
The default value is 128 Kb. Messages larger than this size will not be scanned by Cisco Intelligent
Multi-Scan.
Multi-Scan.
Step 6
Enter the number of seconds to wait for timeout when scanning a message.
When specifying the number of seconds, enter an integer from 1 to 120. The default value is 60 seconds.
Most users will not need to change the maximum message size to be scanned or the timeout value. That
said, you may be able to optimize the throughput of your appliance by lowering the maximum message
size setting.
said, you may be able to optimize the throughput of your appliance by lowering the maximum message
size setting.
Step 7
Submit and commit your changes.
Defining Anti-Spam Policies
For each mail policy, you specify settings that determine which messages are considered spam and what
action to take on those messages. You also specify which engine will scan messages that the policy
applies to.
action to take on those messages. You also specify which engine will scan messages that the policy
applies to.
You can configure different settings for the default incoming and outgoing mail policies. If you need
different anti-spam policies for different users, use multiple mail policies with different anti-spam
settings. You can enable only one anti-spam solution per policy; you cannot enable both on the same
policy.
different anti-spam policies for different users, use multiple mail policies with different anti-spam
settings. You can enable only one anti-spam solution per policy; you cannot enable both on the same
policy.