> I can't say, but I do know that many of us toss a whole lot of mail at EHLO, > some at MAIL FROM:<> and some at DATA. The idea I was thinking about was > whether it provides any value whatsoever to at least know that you are > authentically dealing with a legitimate source sooner, without having to send > even a whole header.
Well, there's STARTTLS. Again, it's there, I believe there's pretty broad support, but it doesn't seem popular outside of some specialized financial environments. Also remember CSV which Dave and I concocted to allow sites to identify the hosts that are supposed to be mail clients. R's, John _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
