SpamTitan Outlook Add-In (STOA) is an additional add-in for Microsoft Outlook 2010, 2013 and 2016. STOA allows Microsoft Outlook users to submit spam or ham (clean email) directly to the Bayes database for analysis. This increases the effectiveness of the Bayesian filter in identifying spam and helps reduce the number of false positives.

See SpamTitan Outlook Add-in Install Guide.