Configuring the Bayesian filter

After the Bayesian filter has been trained, you can enable the Bayesian filter by following these steps:

Screenshot 31 - Bayesian analysis properties

1. In the GFI MailEssentials configuration, select the Anti-Spam > Bayesian Analysis node, right-click and select Properties. This brings up the Bayesian Analysis Properties dialog. From the General tab, select the Enable Bayesian Analysis checkbox.

2. Ensure that the Automatically learn from outbound emails option is checked. This option will continuously update the legitimate email database with outbound emails.

Updates

Screenshot 32 - Bayesian updates

3. From the Updates tab, you can specify how frequently GFI MailEssentials should check for updates to the spam database. To do this, select the Automatically check for updates checkbox and specify an interval in hours in the Download/check every field. If you want to trigger an instant download, click the Download updates now button. The updates will be downloaded from the preferred server selected. For more information on how to select the preferred server, refer to the ‘Selecting the server from where to download updates’ section of the ‘Miscellaneous Options’ chapter.

Actions

After you have configured the Bayesian filter, you can configure what you wish to do with email marked as Spam. For more information refer to the ‘Actions – what to do with spam email’ section of the ‘Configuring anti-spam’ chapter.