How can overseas E-mail users send free short messages?

the number of free SMS sent by overseas mobile phone number users: 1) Telecom users: 11865+ user id (reply is permanent). 2) Mobile users: 169335589+4-digit random code (valid for 24 hours), 16575257818+4-digit random code (valid for 24 hours) and 1657125797+4-digit random code (valid for 24 hours). 3) Unicom users: 16555774+ User id (reply is permanent), 1655577418+ User id (reply is permanent). Other SMS services are used as follows: 1. Free SMS display number sent by domestic E-mail users: 1. Telecom users: 11865+ user id (reply is permanent and valid). 2) Mobile users: 169335589+4-digit random code (valid for 24 hours), 16575257818+4-digit random code (valid for 24 hours) and 1657125797+4-digit random code (valid for 24 hours). 3) Unicom users: 16555774+ User id (reply is permanent), 1655577418+ User id (reply is permanent). 2. The International Easy Letter account only supports sending free SMS to Chinese mainland mobile phone number, and supports the receiver to reply free SMS directly to the International Easy Letter account, but domestic Easy Letter users cannot send free SMS to the International Easy Letter account. 3. Registered users will adjust the specific SMS quota according to the activity level. The newly registered user level is 1 star, and free SMS will be given according to the star level, including 1 messages per star, 2 messages per star, 3 messages per three stars, 4 messages per four stars and 5 messages per five stars, and will be given every day according to the star level at that time. The SMS limit ios will display a red cross to indicate a reminder, and android will have a reminder. For more service offers, click on the "official website" customer service 221 below to answer your questions.