Setting up/replicating Docker Mailserver

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1

I’m cured running Docker Mailserver:
https://docker-mailserver.github.io/docker-mailserver/latest/

The setup is super imperative and I would like to change this.
Does someone maybe have an example where the configs live more in Nix or even replicated the setup fully in Nix?
I know of the Simple Mailserver but as of know they don’t support relays and I don’t want to run my server from my dynamic residential IP.

2

I’ve seen simple-nixos-mailserver / nixos-mailserver · GitLab which sounds like exactly what you’re looking for.

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3

I think that’s the one which doesn’t support the SMTP relay (at least when I checked it out the last time).
I couldn’t find the related issue on Gitlab.