Not trying to get all political or anything but does anyone have a good setup guide for Docker Mailserver

History student who spends too much time with computers. SciFi enjoyer. Flight sim connoisseur. Electronics apprentice.
Not trying to get all political or anything but does anyone have a good setup guide for Docker Mailserver
There’s mailcow, which is less “setup guide” and more “canned solution”… I was investigating it (and several non-Dockerized alternatives) before I gave up and paid for a managed mail server.