On 09/06/16 17:26, Steve Atkins wrote:
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.
I do not really mis-classify emails. If it appears in the junk folder, there is an extremely high chance that it's junk. In fact, I should probably not have delivered it, and that's what I was doing before I configured the junk folder. It's just done that to avoid the very rare false positive. If I look at my personal junk folder right now (2 weeks retention time), it's 100% spam.
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