Yes, exactly. The whole point. Charles Lindsey wrote: > > On Thu, 25 Jul 2002 19:11:37 +0100 > Ken Brown <k.brown@ccs.bbk.ac.uk> said... > > > > > Yes, but the mailer has to read each byte to know which is envelope and > > which content. > > Exactly. And therefore if you follow Peter's arguments, it is impossible > to transport mail without performing interception.