public function transport($to, $subject, $message, $additional_headers = '', $additional_parameters = '')
    {
        return mail($to, $subject, $message, $additional_headers, $additional_parameters);
    }
public function transport($to, $subject, $message, $additional_headers = '', $additional_parameters = '')
    {
        return mail($to, $subject, $message, $additional_headers, $additional_parameters);
    }
Messages sender : prepare the whole content and send the e-mail

@param   string $to
@param   string $subject
@param   string $message
@param   string $additional_headers
@param   string $additional_parameters
@return  mixed
@see     mail()