{...}:
{
  systemd.user =  {
     timers.mbsync = {
      Timer = {
        OnUnitActiveSec = "5m";
        AccuracySec = "1m";
      };
      Install = {
        WantedBy = ["timers.target"];
      };
    };

    services.mbsync = {
  	  Service = {
  	    ExecStart = "/home/don/bin/mbsync";
        Environment = "PATH=/run/current-system/sw/bin";
  	    Type = "oneshot";
  	  };
      Install = {
        WantedBy = [ "mbsync.timer" ];
      };
    };

    services."mbsync-all" = {
  	  Service = {
  	    ExecStart = "/home/don/bin/mbsync gmail";
        Environment = "PATH=/run/current-system/sw/bin";
  	    Type = "oneshot";
  	  };
      Install = {
        WantedBy = ["mbsync-all.timer"];
      };
    }; 

    timers."mbsync-all" = {
      Timer = {
        AccuracySec = "1m";
        OnUnitActiveSec = "14m";
      };
      Install = {
        WantedBy = ["timers.target"];
      };
    }; 
  };
}