Email Filtering
Noun · Security & Infosec
Definitions
The inspection and classification of inbound or outbound email to block spam, phishing, malware, or policy violations. Modern email filtering combines reputation, authentication results, content analysis, attachment inspection, and behavioral signals.
In plain English: Scanning email to block spam, phishing, and other dangerous messages.
Example: "The campaign was stopped by email filtering before the attachment ever hit employee inboxes."