On 2024-06-15 18:14, John Levine via Postfix-users wrote:
People I'm working with have a short list of addresses from which they
don't want to accept mail at all, and they'd like to reject as early
as possible without running it through anti-spam milters, ideally by
rejecting the SMTP MAIL FROM command. What's the best way to do this?
The list is short so if it has to be hand-edited into config files,
that's OK.
I'm not sure exactly why they want to do it this way but they have
been running mail systems for a long time (some of you surely know
them) and I assume they have sensible reasons.
I think postscreen can block them easily.
regards.
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