Rated 5 out of 5 stars

by Jason on Feb. 27, 2009 ·

Great extension to increase your own personal security and privacy! Everyone should encrypt their email whenever possible. A great S/MIME beginner's tutorial is available for novices at http://marknoble.com/tutorial/smime/smime.aspx

This review is for a previous version of the add-on (0.3.10).