private String checkUser(String message) {
		String response;
		String[] temp = message.split(" ");
		if (temp.length >= 2) {
			if (internAccounts.containsKey(temp[1])) {
				response = "+OK";
				userName = temp[1];
			} else {
				response = "-ERR User" + temp[1] + " not found";
			}
		} else {
			response = "-ERR No Username found in Message";
		}
		return response;
	}