Bayesian Analysis

An anti-spam filter that can be trained to accurately determine if an email is spam based on past experience.

This manual also contains information how the Bayesian filter works and how it can be trained. For more information refer to How Bayesian Analysis works.

The Bayesian Analysis filter is NOT enabled by default.


Enable learning from outbound emails and allow at least a week for before enabling filter. This is required because the Bayesian filter acquires its highest detection rate when it adapts to your email patterns.

Configuring the Bayesian filter

Configuring the Bayesian filter requires 2 stages:


GFI MailEssentials also provides a Bayesian Analysis wizard that enables you to train the Bayesian Analysis filter from a machine other than where GFI MailEssentials is installed. For more information refer to Training the Bayesian Analysis filter.