Sometimes on the webmail can not log on, prompting some error message, but after a while to restore

Because user authentication is required at login time, the network data transfer between the server and the browser is repeated (the amount of data is small). In order to avoid illegal network attacks and ensure the security of the system, 21CN mail system has intelligent time-out limit and other technical measures for login operation. If an instant network transmission is not healthy, individual users may fail to log on. This is the same as when browsing some Web pages occasionally appear abnormal or connection failure, as long as the occurrence of the frequency is normal phenomenon. Please feel free to sign in again if you encounter this problem.

Sometimes on the webmail can not log on, prompting some error message, but after a while to restore