How to write the correct format of Telecom 189 mailbox?

The format of telecom 189 mailbox is: mobile phone number @ 189.cn\x0d\ 189 mailbox is a new generation mailbox service provided by China Telecom for telecom, mobile and Unicom mobile phone users, as well as telecom broadband and fixed-line users. While having the basic mail service function of the conventional Internet, we should give full play to the mobile advantages of mobile phones, so that users can use SMS, MMS and fixed-line users. \x0d\ You can activate the email address of 189 in the following three ways: \ x0d \ a. Write a short message KTYX to 1000 1 and open a free email address of 189; \ x0d \ b. Telecom users can immediately open the message KT# to the port 10659 189 with their mobile phones, where the password is letters, numbers or a special symbol combination of 6- 16 digits. \ x0d \ C. Log in to mail. 189.cn and click the register button.