On Thu, Jan 13, 2022 at 4:14 PM Scott Mutter via mailop <mailop@mailop.org> wrote:
If a service is going to block/blacklist/throttle messages by the sending > IP, then what good does it do to base feedback loops and spam reports on a > domain basis? A sending IP could have 1000 domains sending from it and > only 1 of those domains is sending spam or sending to a list that is being > flagged as spam, but the recipient server isn't going to block based on > domain, it's going to block based on IP. > If one (authenticated) domain from 1000 is spamming from your IP (and all the other (authenticated) traffic is fine) then no, blocking your IP based on that is/should not really be a thing. Domain reputation is a thing though. If your IP really gets blocked (and not just throttled; that's a signal you have access to btw) you usually have a bigger problem. - Marcel
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