ion_auth send mail not working

Try sending a regular test email

PHP Code:

$config['protocol'] = 'smtp';
$config['smtp_host'] = 'xxxx.xxxx.net';
$config['smtp_user'] = '<username>';
$config['smtp_pass'] = '<password>';
$config['smtp_port'] = 465;
$config['smtp_timeout'] = 30;
$config['charset'] = 'utf-8';
$config['crlf'] = "\r\n";
$config['newline'] = "\r\n";
$config['wordwrap'] = TRUE;
$config['mailtype'] = 'html';
$this->load->library('email', $config);
$this->email->initialize($config);
$this->email->from('<from-address>');
$this->email->to('<to-address>');
$this->email->subject('Test email');
$this->email->message('Test email');
if(!$this->email->send()){
    print_r($this->email->print_debugger(), true);
}