Contact
info (at) markusholtermann dot eu
If you want to send an encrypted or signed message, you can use my GPG key. It’s fingerprint is:
5786 D19B C800 5CE5 7452 0A63 AFE7 9D68 D41C 7E39
My former key expired on December 31st, 2013. DO NOT USE IT ANY LONGER:
7835 BD5D 46AC 9CC6 848A DE33 03C2 732F 351E D8B3