Rated 5 out of 5 stars

Fantastic add-on ,
i am using both type of encryption PGP/MIME and S/MIME and will love to see better interface to manage both of them from one place.
having a radio button inside the composing windows toolbar that enable selecting either S/MIME or PGP/MIME
so selecting one, will automatically deselect/disable the other one.

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