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The Scan Options tabs allow you to create filters that make up the database and mail scan rules.
scan-options-filter-.png
Use the following table to define how ScanMail scans or filters messages, attachments, and content (in the following order):
Order
Filter
Provides options to set specific scanning action on...
1
Message Filter
Various message types
2
Attachment Filter
Unwanted attachments
3a
Scan Restrictions
Compressed, encrypted, and other attachment types
Note
Note
ScanMail applies the Scan Restrictions settings when Virus Scan is enabled in Security Risk Scan.
attachments with document exploits
3b
Security Risk Scan
4
APT Prevention Filter
suspicious attachments
5
Content Filter
Messages with unwanted content based on administrator-defined explicit rules
6
Data Loss Prevention Filter
Messages that violate custom data loss prevention rules (see ScanMail Filters)
7
Script Filter
Messages with stored form or rich text hot spot content
8
Graymail Filter
Unwanted marketing messages, social network updates, and other messages
Note
Note
When spam filtering is set, a mail scan rule executes the following filter order:
  1. Spam filtering (Configure Anti-Spam Filtering) of incoming messages based on Approved Senders and Blocked Senders (when enabled) or the Trend Micro Anti-Spam engine.
  2. Web Reputation (Configure Web Reputation).
  3. General settings (Configure General Mail Scan Rule Settings).
  4. Scan Options filter enabled.
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