The PostgreSQL User Group Germany were given the opportunity to have a booth at CeBIT 2010 and present the project. CeBIT is a very big IT-related exhibition and takes place in Hannover, Germany.
By default, the OpenPGP extension in Thunderbird (Enigmail) sends every encrypted mail as inline text, not as an attachment. Mutt as example does not recognize the encrypted mail but just displays the unreadable binary stuff.