Cisco Cisco Email Security Appliance C170 Guia Do Utilizador
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Cisco AsyncOS 8.5.5 for Email Security User Guide
Chapter 13 Anti-Spam
Defining Anti-Spam 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.
Before You Begin
•
Complete all steps to this point in the table in
.
•
Familiarize yourself with the following:
–
–
–
–
If you have enabled more than one anti-spam solution:
–
•
If you will archive spam into the “Anti-Spam Archive” log, see also
.
•
If you will send messages to an alternate mailhost, see also
.
Procedure
Step 1
Navigate to the Mail Policies > Incoming Mail Policies page.
Or
Step 2
Navigate to the Mail Policies > Outgoing Mail Policies page.
Step 3
Click the link under the Anti-Spam column for any mail policy.
Step 4
In the Enable Anti-Spam Scanning for This Policy section, select the anti-spam solution you want to
use for the policy.
use for the policy.