How to write the email format 139

The format of the 139 email address is the mobile phone number followed by "@139.com". For example, if your mobile phone number is 12345678999, then the 139 email address you applied for is 12345678999@139.com. 139 Mailbox is an email service provided by China Mobile. It has been developed for more than 10 years and is open to users across the entire network, covering all Chinese telecom service operators and virtual operator users such as China Mobile, China Telecom, and China Unicom. Use your mobile phone number @139.com as your email address, which is convenient and easy to remember. You can also set up an alias account to protect your privacy. Once an email comes, you will receive a timely SMS reminder; you can send and receive emails anytime, anywhere via WEB, WAP, SMS, APP and other methods. The orientation and multi-function make work and life easier.