  public function Connect ($host, $port = false, $tval = 30) {
    //  Are we already connected?
    if ($this->connected) {
      return true;
    }

    /*
    On Windows this will raise a PHP Warning error if the hostname doesn't exist.
    Rather than supress it with @fsockopen, let's capture it cleanly instead
    */

    set_error_handler(array(&$this, 'catchWarning'));

    //  Connect to the POP3 server
    $this->pop_conn = fsockopen($host,    //  POP3 Host
                  $port,    //  Port #
                  $errno,   //  Error Number
                  $errstr,  //  Error Message
                  $tval);   //  Timeout (seconds)

    //  Restore the error handler
    restore_error_handler();

    //  Does the Error Log now contain anything?
    if ($this->error && $this->do_debug >= 1) {
      $this->displayErrors();
    }

    //  Did we connect?
    if ($this->pop_conn == false) {
      //  It would appear not...
      $this->error = array(
        'error' => "Failed to connect to server $host on port $port",
        'errno' => $errno,
        'errstr' => $errstr
      );

      if ($this->do_debug >= 1) {
        $this->displayErrors();
      }

      return false;
    }

    //  Increase the stream time-out

    //  Check for PHP 4.3.0 or later
    if (version_compare(phpversion(), '5.0.0', 'ge')) {
      stream_set_timeout($this->pop_conn, $tval, 0);
    } else {
      //  Does not work on Windows
      if (substr(PHP_OS, 0, 3) !== 'WIN') {
        socket_set_timeout($this->pop_conn, $tval, 0);
      }
    }

    //  Get the POP3 server response
    $pop3_response = $this->getResponse();

    //  Check for the +OK
    if ($this->checkResponse($pop3_response)) {
    //  The connection is established and the POP3 server is talking
    $this->connected = true;
      return true;
    }
    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.