This Space for Rent

And would you like a pony?

(attached to the bottom of too many pieces of incoming mail, either at work or at home; sometimes they're even attached to spam, for that "oooh, look at me! I'm important!" effect):

This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system.

And I'll bet you'd also like to have a lifetime supply of hot chocolate, fluffy pillows, and a turn-down service at night?

I'm perfectly willing to drop mail on the floor if it's incorrectly sent and the sender follows up with a "oops, please disregard that mail because I bobbled the email address"; the preemptive "WE MAY HAVE FUCKED UP BUT IT'S STILL YOUR FAULT" disclaimer, on the other hand, is likely to be rebutted by my "didn't you read my disclaimer, buddo?" disclaimer.