@Override
public List<String> queryEmailContactors(String id) {
ProductLine productline = queryProductline(id);
List<String> mailReceivers = new ArrayList<String>();
Receiver receiver = m_configManager.queryReceiverById(getId());
if (receiver != null && !receiver.isEnable()) {
return mailReceivers;
} else {
mailReceivers.addAll(buildDefaultMailReceivers(receiver));
mailReceivers.addAll(split(productline.getEmail()));