My office address is:
University of Sydney
School of Mathematics and Statistics
University of Sydney NSW 2006
Email: ulrich.thiel at sydney.edu.au
You can send me a PGP encrypted email using my PGP key.
And you can send me an S/MIME encrypted email using my certificate.
I have an amateur radio license, my call signs are VK2UTL and DK1UT. My amateur radio related website is here.