Friday, September 12, 2008

Barracuda Anti Spam Technology

The Barracuda Spam Firewall provides comprehensive spam-blocking for your organization. The algorithms and methods used by the Barracuda Spam Firewall are the most comprehensive and most advanced in the industry.

The Barracuda Spam Firewall even includes Bayesian analysis which has been shown to be the most effective and most accurate method of blocking spam.


Behind the industry-leading initiatives of Predictive Sender Profiling and Barracuda Real-Time Protection are 12 explicit defense layers including: Denial of Service and Security Protection, Rate Controls, IP Reputation Analysis, Sender Authentication, Recipient Verification, Virus Protection, Policy (user-specified rules), Fingerprint Analysis, Intent Analysis, Image Analysis, Bayesian Analysis, and a Spam Rules Scoring engine. The methods and techniques used by the Barracuda Spam Firewall are continuously updated via the hourly Barracuda Energize Update Service, to stay one step ahead of spammers and virus writers.

The Barracuda Spam Firewall provides a number of parameters that can be adjusted and tuned for your specific environment. Some of the algorithms employed to block spam are listed below with a short description.

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