On Mon, Aug 09, 2004 at 11:17:41PM -0400, Jeff Rife wrote: > On 9 Aug 2004 at 21:03, Kevin A. McGrail wrote: > > > > If the receiving MX servers always knew all valid recipient addresses > > > *at (E)SMTP connection time*, then there would be no bounces...only > > > rejections. > > > > > > This solves the problem without introducing anything new to (E)SMTP. > > > > At the core, this solution ignores the concept and purpose of a backup MX > > which is a reality and necessity for many companies where email is critical. > > There is no reason a backup MX server can't know if an address is valid > or not.
How about "scaling"? I'm pretty sure my ISP will run (screaming, no doubt), from a scenario in which they rely on their customers to keep their list of valid addresses current. How about "MS Exchange"? :] Graham _______________________________________________ Visit http://www.mimedefang.org and http://www.canit.ca MIMEDefang mailing list [EMAIL PROTECTED] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
