Saw this just moments ago on a list to which I subscribe:
As implied by email protocols, the information in this message is
not confidential. Any middle-man or recipient may inspect, modify,
copy, forward, reply to, delete, or filter email for any purpose unless
said parties are otherwise obligated. As the sender, I acknowledge that
I have a lower expectation of the control and privacy of this message
than I would a post-card. Further, nothing in this message is
legally binding without cryptographic evidence of its integrity.
http://bilbo.hobbiton.org/wiki/Eat_My_Sig
