Hello Bernd, > at the moment my program sends mail with smtplib. Is there a chance to > sign and/or encode/cipher this mails with GnuPG? > If yes, does anyone have some sample code? Not exactly Python, but maybe http://codesorcery.net/old/mutt/mutt-gnupg-howto might help. HTH, -- Miki <miki.tebeka at gmail.com> http://pythonwise.blogspot.com