On Tue, 20 May 2008, Douglas Otis wrote: > > However, BATV problems and the need for outbound server co-ordination > disappear by implementing the same BATV hash authentication mechanism > within the Message-ID, rather than within the Return-Path as BATV does.
That doesn't work, because a significant proportion of blowback does not contain any of the original message - for example vacation messages. Also, you lose the advantage of cheap envelope-time rejection. > Moving this authentication mechanism into the MUA would also remove the > authentication burden from SMTP. That would unnecessarily increase the junk mail load on the message store and MUA<->MS connection. > Reliance upon the MUA recognizing its own messages Lots of people use more than one MUA - for us it's 15% - 20%. Tony. -- f.anthony.n.finch <[EMAIL PROTECTED]> http://dotat.at/ BAILEY: SOUTHEAST 5 TO 7, PERHAPS GALE 8 LATER. ROUGH. OCCASIONAL RAIN. MODERATE OR GOOD.
