  public function Turn() {
    $this->error = array("error" => "This method, TURN, of the SMTP ".
                                    "is not implemented");
    if($this->do_debug >= 1) {
      $this->edebug("SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF . '<br />');
    }
    return false;
  }
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.