sending email using Xampp

i made the change, and this happen

A PHP Error was encountered
Severity: Warning

Message: fsockopen(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routinessl3_get_server_certificate:certificate verify failed

Filename: libraries/Email.php

Line Number: 2063

Backtrace:

File: C:\xampp\htdocs\rest\application\controllers\Email.php
Line: 69
Function: send

File: C:\xampp\htdocs\rest\application\libraries\REST_Controller.php
Line: 742
Function: call_user_func_array

File: C:\xampp\htdocs\rest\index.php
Line: 315
Function: require_once


the new configuration

 

PHP Code:

 public function send_get()
    {
      //configuracion para gmail

      $config = array(
      'protocol' => 'smtp',
      'smtp_host' => 'ssl://smtp.gmail.com',
      'smtp_port' => 465,
      'mailtype' => 'html',
      'smtp_user' => '',
      'smtp_pass' => '',
      'newline' => "\r\n",
     );

      //Load email library


      $this->load->library('email',$config);
      $this->email->set_newline("\r\n");

      $this->email->from('', '');
      $this->email->to('');
      $this->email->subject(' Visitor');
      $this->email->message('Testing the email class.');

     if($this->email->send()){
       echo "your email was sent";
     }
     else {
       show_error($this->email->print_debugger());
     }
    }