GPG/PGP and email

• Encrypting/signing email popular use of PKI
• OpenPGP/Mime support (GPG/PGP compatable):
  Mutt (Unix), Emacs/Mew, Becky2 (Windows, with plugin), Emacs/GNUS (CVS).
• Ascii armour (GPG/PGP compatable): Emacs/{VM,GNUS}/MailCrypt, Mutt(Unix), Pine(Unix), Eudora (Windows), Pegasus and Outlook (with plugin - Windows)
• http://rmarq.pair.com/pgp/mail-clients-pgp.html