You can send me an encrypted e-mail using my public key found at a keyserver (key ID: 0x6C0674B2) or download it from my website and note the SHA-1 checksum:

8c9ece0db4046850fa4978a5b698a6c197bc35a8

If you are interested in learning more about how to encrypt e-mail in an E-mail client like Thunderbird, then read this. On a Mac with the native Mail client you can use GPGtools.