UserCommand userCommand = new UserCommand(session);
commandMap.put("USER", userCommand);
commandMap.put("PASS", new PassCommand(session, userCommand));
commandMap.put("STAT", new StatCommand(session));
commandMap.put("LIST", new ListCommand(session));
commandMap.put("UIDL", new UidlCommand(session));
commandMap.put("RETR", new RetrCommand(session));
commandMap.put("DELE", new DeleCommand(session));
commandMap.put("RSET", new RsetCommand(session));
commandMap.put("TOP", new TopCommand(session));
apopCommand = new ApopCommand(session);