16 Mar 2025 10:13:45 Jaroslaw Rafa via mailop <mailop@mailop.org>: > MTAs don't have such thing as reputation. Spam filters do. So it's more a > question regarding to spam filters than to MTAs.
As with many other things in life, it isn't as cut and dried or binary as that. As an example, at work I have over the years added and developed a highly detailed reputation score that is solely in my Exim configuration. It uses the internal "ratelimit" function to keep track of things like successful or failed deliveries and the reasons for them (which could be spam filter responses). I use this to reject connections from body's which are seen to be "misbehaving", or as the config puts it - have low reputation scores. It takes a whole host of datapoints and combines them inside the MTA itself to decide what to do with an inbound connection or inbound email. So - this is an in-MTA reputation system. Looking at your statement - in true Prof Brian Cox style, "I think you'll find it's a bit more complicated than that". Graeme
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