Fri Aug 23 20:27:48 UTC 2002
> > if you're rejecting e-mail at the MTA level because it is invalid or > > unwanted, then such rejection must be done synchronously (before the > > final 250) or else you're stuck with unbouncable garbage and you've put > > no disincentive on the sender to puke more of it in your direction. > > There is also this issue (which may not apply, depending on > the granularity of the filtering rules / policies at the > recieving MTA: > > What to do if an item arrives with multiple RCPTs, and RCPT-A's > ruleset says "accept" and RCPT-B's ruleset says "reject". user preferences have to be enforced at the mua level. don't cross the streams. anything you want to do during smtp (before the final-OK) has to be ignorant of the mua's preferences.
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