email signatures...and headers?

a while back hanselman blogged about email signature etiquette..and i found it somewhat amusing what people put on the email signature.  scott posted mine, which i try to keep very limited.  today, i got an email inquiry about sharepoint...and i noticed it had a "header" -- which i found amusing :-)

here it is:

i just got a kick of the classification and caveat headers.  so if it was classified...would the entire email have been redacted?