Even though I sold mailcow and stopped working on it in the past months, it warms my heart SO MUCH to see people using it. :) Really, thank you.
I have some ideas for a proper successor which would be much more scaleable, modern, flexible and would be more focused to use existing transports for piggybacking mail. A fully and safely encrypted mail storage as well as a cool interface to invite for encrypted sessions etc.
Smtpd and imapd using modern Python modules.
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Providers found out it was easier to block private senders instead of developing good filtering mechanisms. I kind of understand this decision, but spammers simply abuse services like Sendgrid or create spam accounts on MS.
So… nothing really changed in regards of spam. We just lose actually *wanted* mails or have to look into the Junk folders more often, all while newsletters get on the priority lane.
That makes me unsure about developing anything in this regard. :(
André