> On Jun 9, 2016, at 2:05 AM, Renaud Allard via mailop <mailop@mailop.org> > wrote: > > > > 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.
So if you mis-classify mail - and the fact that you *do* misclassify mail is implicit in your having a junk folder - users get bounced off the mailing lists they've subscribed to, despite having seen the mail arrive. Cheers, Steve _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop