{
  config,
  pkgs,
  lib,
  ...
}:

let
  cfg = config.nmasur.presets.programs.msmtp;
in

{

  options.nmasur.presets.programs.msmtp.enable = lib.mkEnableOption "System outgoing mail";

  config = lib.mkIf cfg.enable {
    programs.msmtp.enable = true;

    # The system user for sending automatic notifications
    accounts.email.accounts.system =
      let
        address = "system@${config.mail.server}";
      in
      {
        userName = address;
        realName = "NixOS System";
        primary = !config.mail.enable; # Only primary if mail not enabled
        inherit address;
        passwordCommand = "${pkgs.age}/bin/age --decrypt --identity ${config.identityFile} ${pkgs.writeText "mailpass-system.age" (builtins.readFile ../../../private/mailpass-system.age)}";
        msmtp.enable = true;
        smtp = {
          host = config.mail.smtpHost;
          port = 465;
          tls.enable = true;
        };
      };

  };
}