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## About Spam Prevention

Trend Micro spam prevention service intercepts spam to prevent spam messages from reaching your email clients. Spam prevention works by:

- Comparing, in real time, incoming email messages against a list of known spam.
- Making a series of logical deductions to determine whether the mail has the characteristics of spam.

Even when senders of spam change their methods, spam prevention can distinguish spam from legitimate email messages. Trend Micro spam prevention employs patent-pending, heuristic technology that evaluates, identifies, and monitors existing and new messages using multiple email characteristics, providing highly accurate spam capture rates. False positives are kept low by the use of sophisticated behavior-evaluation algorithms, which calculate the probability that a particular message is spam.
ScanMail provides two powerful features, Email Reputation and content scanning, for filtering spam messages.
Related information

- Spam Folder Configuration