From niteowl Mon Nov 30 13:00:46 1987
Really-From: niteowl
Received: by ucscb.UCSC.EDU (4.12/4.7)
        id AA29525; Mon, 30 Nov 87 12:59:04 pst
Date: Mon, 30 Nov 87 12:59:04 pst
From: niteowl (The Owl of Nite)
Message-Id: <8711302059.AA29525@ucscb.UCSC.EDU>
To: kreme
Subject: Re:  YOUR MAIL IS PUBLIC!!!!!!!!!
Cc: ackpht, banshee, blank, blarg, blondie, bytor, cavlier, corvus, crnivor,
        daguru, deckard, dem6th, horny, hube, kim, klee, ladykat, lep, poleta,
        quantum, rush, sep, serling, ski2die, spcman, tavia, tdybare, tvjones,
        vespa, vglante, wraith, xenomott
Status: RO

but you mail WAS public.
so there.
and not only that, but i saw entheos reading it!