title: Unable to send email using SMTP gmail config in codeigniter 3
body: <p>Below are my code and I refer all examples in stack overflow and codeigniter user guide. still I unable to solve this </p>
  
  <pre><code>public function send()
  {
      $config['protocol'] = 'smtp';
      $config['smtp_crypto'] = 'ssl';
      $config['smtp_host'] = 'smtp.gmail.com';
      $config['smtp_port'] = '465';
      $config['smtp_user'] = '**********@gmail.com';
      $config['smtp_pass'] = '********';
      $config['mailtype'] = 'html';
      $config['charset'] = 'utf-8';
      $config['newline'] = "\r\n";
      $config['wordwrap'] = TRUE;
      $config['smtp_timeout'] = 30;
      $this-&gt;email-&gt;initialize($config);
      $this-&gt;email-&gt;from('uvizag@gmail.com', 'admin');
      $this-&gt;email-&gt;to('siddharthaesunuri@gmail.com, siddhu.php@gmail.com');
      $this-&gt;email-&gt;subject('Registration Verification:');
      $message = "Thanks for signing up! Your account has been created...!";
      $this-&gt;email-&gt;message($message);
      if ( ! $this-&gt;email-&gt;send()) {
          show_error($this-&gt;email-&gt;print_debugger());
      } 
  
  }
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/0zy9j.png" rel="noreferrer"><img src="https://i.stack.imgur.com/0zy9j.png" alt="enter image description here"></a></p>
  
  <p><a href="https://i.stack.imgur.com/qpqQ9.png" rel="noreferrer"><img src="https://i.stack.imgur.com/qpqQ9.png" alt="enter image description here"></a></p>
  
  <p>How Can I solve this error ? could please favor to me  </p>