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SPAM > Spam Filtering Methods

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 methods and techniques used by the Barracuda Spam Firewall are continuously updated via the hourly Barracuda Energize Updates service to stay ahead of spam trends as they emerge.

The Barracuda Spam Firewall provides a number of different parameters that can be adjusted and tuned for your specific environment.

There are two main classes of techniques for blocking unwanted email:

  • Connection Management techniques involve dropping incoming mail connections before actually receiving the message
  • Mail Scanning techniques involve analysis of messages after they have been received.

Within each class are many possible defense tactics. The Barracuda Spam Firewall combines a multitude of these defense tactics to stop spam and other unwanted email that violates policy.