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by sgt 262 days ago
You're right, it used to be a bit complicated. Now you just need to have a reputable and clean IP address, and knowledge of running some services in docker and of course understanding DNS and its crucial role for running a mail server.

I used to run all the components and maintain it (even that wasn't bad), but I changed to mailu[1] about a year ago

[1] https://mailu.io