Professional:
Email: jan(dot)pennekamp(at)comsys(dot)rwth-aachen(dot)de (S/MIME)
PGP: BBD40EFBC2B9B450096043DA44A29793558B6A00
Personal:
Email: jan-pennekamp(at)gmx(dot)net
PGP: 419A040C7EEDB2A6061C8BE0101B8E23B30AE3EF
Email: jan(dot)pennekamp(at)rwth-aachen(dot)de (S/MIME)
PGP: 64DC068B3DB2FF001EAFEF7CA6CF84B1275B2065