nixos-config/modules/smtp.nix

{
programs.msmtp = {
  enable = true;
  accounts.default = {
    auth = true;
    tls = true;
    host = "ssl0.ovh.net";
    from = "supervision@pizzajoff.re";
    user = "supervision@pizzajoff.re";
    passwordeval = "cat /tmp/fic";
  };
};
}