Email sending using php

$config = Array
		(
          'protocol' => 'smtp',
          'smtp_host' => 'smtp.gmail.com',
          'smtp_port' => 465,
          'smtp_user' => '*******',
          'smtp_pass' => '******',
          'mailtype'  => 'html', 
          'charset'   => 'iso-8859-1',
		  'starttls'  => true,
        );
			
      $this->load->library('email', $config);
      
	  $this->email->set_newline("\r\n");
	  
	  $this->email->from('****','Ramkumar');
      $this->email->to("*****");
      $this->email->subject("Test mail");
      $this->email->message("Test Mail using Php");
      $this->email->send();  
	  echo $this->email->print_debugger(); die;

1) A PHP Error was encountered

Severity: Warning

Message: fsockopen(): unable to connect to localhost:25 (An attempt was made to access a socket in a way forbidden by its access permissions. )

Filename: libraries/Email.php

Line Number: 1689

2) 
A PHP Error was encountered

Severity: Warning

Message: fwrite() expects parameter 1 to be resource, boolean given

Filename: libraries/Email.php

Line Number: 1846