public void initUser(){
		//ʼʼ־ļ
		File serviceLogFile = new File(Util.SERVICELOG);
		if(!serviceLogFile.getParentFile().exists()){
			serviceLogFile.getParentFile().mkdirs();
		}
		//ʼuserMap
		initUserMap();
		//ʼʼϵͳSTMPPOP3˿ںšʼĬϴ·ʼĺ׺ localServer
		initLocalHost();
		//ʼʼstmppop3Ϣ
		initForeignService();
	}