This is the personal website of Marcus von Appen. In case of questions, legal issues, or whatever else, you can use mail@sysfault.org to send me an E-mail. Please use GnuPG and my GPG key for encrypting mail to me. I like my privacy and I am not willing to give it away. You should not, too.

To satisfy some parts of the German law, here's my postal address:

Marcus von Appen, Ungerstraße 17, 30451 Hannover, Germany