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yes, but as someone who's worked on the sending of emails side of this i can assure you that the techniques for fighting spam are TOO effective. There are many legit emails that go into black holes before any standard idea of spam filtering comes into play. I wrote an embeddable smtp server so that you could have an app that sent email without ever asking your users to put in their SMTP server info... it was USELESS because of SPF filtering. The blacklisting of whole IP ranges means that no app could use it on a home computer because all those IPs are banned.

we definitely need a better solution to fighting spam.




I hear this all the time, but the culprit is always someone sending spam, who does not consider it spam. Usually stuff like missing unsubscribes, spammy language, sending bulk to bought email lists, etc.


As someone running a personal email server for >10 years I can promise you this is a legitimate problem and the false-positive issue is not even close to solved. It's just that most people use a big provider to send personal email, so nobody is incentivized to care about solving it.


For a company I worked for, it was transactional emails (recipes) that would get blackholed. So while you're probably right that a lot of people doing legit marketing, but not 100% correctly often complain, it's also people doing legit work as well.




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