Cisco Cisco Email Security Appliance C160 Mode D'Emploi

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Cisco AsyncOS 9.5 for Email User Guide

Chapter 9 Using Message Filters to Enforce Email Policies

Attachment Scanning

Creating Content Filters to Strip Attachments Based on Image Analysis Verdicts

After you enable image analysis, you can create a content filter to strip attachments based on image
analysis verdicts, or you can configure a filter to perform different actions for different message verdicts.
For example, you might decide to quarantine messages that contain inappropriate content.

To strip attachments based on image analysis verdicts:

Procedure

Step 1

Click Mail Policies > Incoming Content Filters.

Step 2

Click Add Filter.

Step 3

Enter a name for the content filter.

Step 4

Under Actions, click Add Action.

Step 5

Under Strip Attachment by File Info, click Image Analysis Verdict is:

Step 6

Select from the following image analysis verdicts:

•

Suspect

•

Inappropriate

•

Suspect or Inappropriate

•

Unscannable

•

Clean

To configure an action based on image analysis verdicts:

Procedure

Step 1

Click Mail Policies > Incoming Content Filters.

Step 2

Click Add Filter.

Step 3

Enter a name for the content filter.

Step 4

Under Conditions, click Add Condition.

Step 5

Under Attachment File Info, click Image Analysis Verdict.

Step 6

Choose from one of the following verdicts:

•

Suspect

•

Inappropriate

•

Suspect or Inappropriate

•

Unscannable

•

Clean

Step 7

Click Add Action.

Step 8

Select an action to perform on messages based on the image analysis verdict.