[cmiles74]

The people at test.com! They sounds a bit cranky.

  http://contactx.test.com/contactX/contact-spam.cfm

[dan1234]

(Very OT) Wow, test.com actually have a patent for "Internet test-making"

http://www.google.com/patents/US6513042

[josefresco]

Cranky indeed. Unrelated but they have a misspelling on the referenced page:

"We can NOT control what other people forge in an email return address header and send using thier computers."