public function send($to, $subject, $message, $data = array())
 {
     $send_method = $this->get_send_method($this->get_db_settings_option('method'));
     if (!$send_method) {
         return array('status' => 0, 'message' => __('Invalid send method', 'fw'));
     }
     if (is_wp_error($send_method_configuration = $send_method->prepare_settings_options_values($this->get_db_settings_option($send_method->get_id())))) {
         return array('status' => 0, 'message' => $send_method_configuration->get_error_message());
     }
     $email = new FW_Ext_Mailer_Email();
     $email->set_to($to);
     $email->set_subject($subject);
     $email->set_body($message);
     $result = $send_method->send($email, $this->get_db_settings_option($send_method->get_id()), $data);
     return is_wp_error($result) ? array('status' => 0, 'message' => $result->get_error_message()) : array('status' => 1, 'message' => __('The message has been successfully sent!', 'fw'));
 }