*/
private TemporaryKey loadCleanTemporaryKey(String serMailMap) {
TemporaryKey tk = rm.loadTemporaryKeyByEmail(serMailMap);
if (tk == null) {
XStream xml = new XStream();
HashMap<String, String> mails = (HashMap<String, String>) xml.fromXML(serMailMap);
String currentEMail = mails.get("currentEMail");
List<TemporaryKey> tks = rm.loadTemporaryKeyByAction(RegistrationManager.EMAIL_CHANGE);
if (tks != null) {
synchronized (tks) {
tks = rm.loadTemporaryKeyByAction(RegistrationManager.EMAIL_CHANGE);