On Sun, Feb 04, 2007, Dave Crocker wrote:
In other words, how clear is it what problems need to be solved? In
phrasing it that way, I am really posing questions: 1) What problems are
being solved? 2) What is the basis for believing that there is a ready
community of adopters for the solution, or rather, that there is a market
that agrees that the problems need solving?
1) Per RCPT filtering is a request we (sendmail.org) get fairly
often. As it cannot be done "directly" in ESMTP (yet), people ask
for "wierd" workarounds that are complicated to implement. Moreover,
I already see some workarounds being implemented at some ISPs (e.g.,
accept only 1 RCPT per transaction) as well as in milters.
2) The number of requests we get and the number of "workaround
I keep wondering whether it isn't just as useful and far simpler to have an
SMTP option that says "send addresses after content"?
No (see an earlier mail about this suggestion).