this post was submitted on 06 Nov 2026
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Privacy
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I set up a mailserver in NixOS. It was a bit of time investment because I really wanted to write it myself and understand how it all fits together, but maintenance is not an issue; I haven't touched it through 3 distribution upgrades. A friend just copied my config on a VPS and it works for them as well.
There's also a turnkey mailserver nix project that I haven't tried but it seems to just work: https://nixos-mailserver.readthedocs.io/en/nixos-26.05/
(I realize that NixOS is the new Arch, actually, but this sort of stuff is where it really shines.)
What VPS do you use, or do you use your home network?
It's just a hetzner box. I think the most important consideration is not changing the IP if you can avoid it.