Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
C H A P T E R
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Cisco AsyncOS 8.5 for Email User Guide
13
Anti-Spam
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Overview of Anti-Spam Scanning
Anti-spam processes scan email for incoming (and outgoing) mail based on the mail policies that you
configure.
configure.
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One or more scanning engines scan messages through their filtering modules.
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Scanning engines assign a score to each message. The higher the score, the greater the likelihood
that the message is spam.
that the message is spam.
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Based on the score, each message is categorized as one of the following:
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Not spam
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Unwanted marketing email from a legitimate source
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Suspected spam
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Positively-identified spam
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An action is taken based on the result.
Actions taken on messages positively identified as spam, suspected to be spam, or identified as
unwanted marketing messages are not mutually exclusive; you can combine some or all of them
differently within different incoming or outgoing policies for different processing needs for groups
unwanted marketing messages are not mutually exclusive; you can combine some or all of them
differently within different incoming or outgoing policies for different processing needs for groups