CodeIgniter email config file (Mailgun custom domain + TLS)

email.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 
/*
| -------------------------------------------------------------------
| EMAIL CONFING
| -------------------------------------------------------------------
| Configuration of outgoing mail server.
| */

$config['protocol'] = 'smtp';
$config['smtp_host'] = 'ssl://smtp.mailgun.org';
$config['smtp_port'] = '465';
$config['smtp_timeout'] = '30';
$config['smtp_user'] = 'postmaster@mydomain.com';
$config['smtp_pass'] = 'password';
$config['charset'] = 'utf-8';
$config['mailtype'] = 'html';
$config['wordwrap'] = TRUE;
$config['newline'] = "\r\n";

/* End of file email.php */
/* Location: ./system/application/config/email.php */

Hey but this is not working with GoDaddy hosting. I'm getting Message: fsockopen(): unable to connect to tls://smtp.mailgun.org:587 (Connection refused)

Same with ssl://smtp.mailgun.org:465