You can create the following types of rules to enforce your
organization’s antivirus and other security goals:
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Content filtering rules: Evaluates message contents to prevent undesirable content from being delivered to recipients and remove active content (such as macros) from Microsoft Office or PDF file attachments
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DLP rules: Prevents the transmission of digital assets through email messages
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Antispam rules: Scans messages for spam or graymail
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Threat protection rules: Scans messages for viruses and other malware such as spyware and worms
Optionally, you can copy a predefined policy rule and edit the copy to create a new
policy rule.