Continued work.

POP3Session.h

@@ -4,7 +4,10 @@
 namespace mail {
 
    class POP3Session : public core::TCPSession {
-
+      enum AuthState {
+	 USER_UNKNOWN, USER_QUERY, USER_SECRET_QUERY, USER_KNOWN
+      };
+      
     public:      
       std::string clientDomainName;
       std::string userName;