Configuring image analysis
When you configure a content profile (see Configuring scan options), you can choose to scan images in the email body and attachments. You can fine-tune the file size that the FortiMail unit will scan, and how these images are detected. Separate thresholds exists for each category of images that you may want to block, such as violence or adult images. For details on thresholds, see the FortiMail CLI Reference.
To configure image analysis settings
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Go to System > FortiGuard > Licensed Feature.
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In the Adult Image Analysis section, enable Status.
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In Minimum image size (KB) and Maximum image size (KB), enter the range of image sizes to scan.
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Click Apply.