nix-cfg/hosts/vps1/services/mailserver.nix

{ lib, config, data, ...}:
let
  inherit (data.host) rootDomain;
  inherit (data.services.mailserver) domain;
  gitDomain = data.services.git.domain;
in
{
  mailserver = {
    enable = true;
    fqdn = domain;
    domains = [
      rootDomain
      domain
      gitDomain
    ];
    certificateScheme = "acme";

    enableManageSieve = true;
    indexDir = "/var/lib/dovecot/indices";
    dkimKeyBits = 4096;

    loginAccounts = {
      "lgm@${rootDomain}" = {
        aliases = [
          "lgmrszd@${rootDomain}"
          "postmaster@${rootDomain}"
          "abuse@${rootDomain}"
        ];
      };
      "forgejo@${rootDomain}" = {
        aliases = [
          "@${gitDomain}"
        ];
      };
    };
  };
}