String userAnswer = request.getParameter("userAnswer");
String messageId = (String) request.getSession().getAttribute("messageId"); // (String) to access it in each .jsp page
boolean validAnswer = service.isValidAnswer(userAnswer, messageId,false);
if (validAnswer) {
request.setAttribute("messageKey", service.receive(userAnswer, messageId, false));
//request.setAttribute("DecodeURIComponent", service.isver1(messageId));
request.getRequestDispatcher("jsp/MailContent.jsp").forward(request, response);
} else {
String nonCanonicalUserAnswer = null;
// Try for the non-canonized answer. This can be the case of the