email - ssl error

<?php
class Gemail extends CI_Controller {
  function __construct(){
   parent::__construct();
  }

  function index(){
   $config = Array(
    'protocol' => 'smtp',
    'smtp_host' => 'ssl://smtp.googlemail.com',
    'smtp_port' => 465,
    'smtp_user' => 'blablabla@gmail.com',
    'smtp_pass' => '');
   $this->load->library('email',$config);
   $this->email->set_newline("\r\n");  
   $this->email->from('blablabla@gmail.com', 'My name');      
   $this->email->to('blablabla@gmail.com', 'My name');      
   $this->email->subject('Email test');      
   $this->email->message('It works.');
   if ($this->email->send()) echo "email OK"; else show_error($this->email->print_debugger()); 
  }
}

?>