What is a net letter?

Network letter [1] service is a mobile Internet-based information publishing service of China Mobile, which provides large-capacity and highly interactive content for group customers to target users such as their employees or members. "net letter" sign

[1] Online mail consists of online mail messages and online mail pages. Group customers submit online mail content to the online mail platform, make online mail pages, and push online mail messages to the mobile phones of their employees or members. Online mail contains text and links. After receiving the online mail message, the mobile phone user clicks the link to browse the online mail page. Online mail service is paid by group customers, and China Mobile mobile phone users are free of traffic charges when browsing online mail content.