On 06/09/2016 10:25 AM, Paul Smith wrote: > The problem is there may be a few other users who get false positives in > that type of spam quite frequently, and suddenly they are losing > messages with no hope of redemption or even knowledge that it's > happening.
Actually, what I do is that when a mail goes to the junk folder, the server gives a 5XX error message to the sender at the end of DATA phase. So the sender, if real, knows something happened to his mail and that it might not be read.
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