There is a EudoraGPG, you can find it at http://www.adobner.de/eudoragpg/english/ btw, I think that you can wathc those two webpage for more information: http://www.geocities.com/openpgp/courrier_en.html http://www.bretschneidernet.de/tips/secmua.html They listed and compared each GnuPG/PGP solution.