You may use via PGP encrypted mails for any correspondence with me. My public key can be downloaded here or retrieved from any of the known pgp key server.
The fingerprint to this key is: F481 9888 AF05 7498 320F 596E BB5A 4A08 BF93 AEB7
S / MIME encrypted emails are also possible. Please ask for the corresponding addresses via the contact form. I’ll answer your enquiries with the corresponding public key.