Do you want to easily communicate securely and privately over email. Ciphire Labs in Germany is offering software that makes it easy to encrypted e-mail communications. New Scientist wrote an article about the product.
Once the software is installed it performs all the complex tasks of encrypting your e-mails. The software works with most email clients, and is available for Windows, Linux, and Mac OS X.
Note: This service will only work if you and the recipient are running this software.