How to digitally sign an e-mail

Written by Eric Bright

Last update on August 29, 2013

2nd updated on August 25, 2011

First published on Feb 3, 2009


[UPDATE: This solution would not work with Gmail any longer, because the Firefox add-on that I was using at the time is not supported any more. Read the instructions for the updated method of signing your email here.] read more...