On Mon, 20 May 2019, Brent Clark via Exim-users wrote:
> Good day Guys
>
> Just want to check with the community.
>
> My colleague has proposed that at smtp time, if a mail is deemed as spam, the
> server issues a reject code, but then to too accept the mail and forward the
> mail the user for incase its a false positive.
If the spammer retries the user will end up with multiple copies,
possibly dozens, hundreds or even thousands.
> His logic is that, that the spammer does not build up a database.
I've heard that some spammers record which addresses work,
so there could be some advantage in rejecting the mail, but that is
heresay.
A beter place form such discussions might be the mailop list:
https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
there seems to be an open archive at
https://www.mail-archive.com/mailop@mailop.org/info.html
--
Andrew C. Aitchison Cambridge, UK
andrew@???