Domainmonster.com Glossary
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Web Design Glossary
Heuristics Rules-Based Analysis
Heuristic analysis is a system of spam filtering and virus protection whereby thousands of proprietary rules of thumb
which describe the characteristics of spam or viruses are used to assess incoming emails and attachments. The rules are written by threat technicians, and are updated as new spamming methods are identified.
The benefit of this style of filtering is that, unlike Bayesian filtering, it can identify spam and viruses of types that the user has not encountered before. In a sense, it is a more intelligent
form of filtering. However, it can be inaccurate and sometimes results in a high proportion of false negatives (non-spam emails being marked as spam).
Spam - Spam Bayesian Statistical Analysis Heuristics Rules-Based Analysis Distributed Checksum Clearinghouses Black and White Lists HTML Shield Technology Allow List Deny Delivery Junk Mail
Tag Subject Prepend Spam Virus Worm Phishing
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