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    中文

    We have focused on the field of enterprise mailbox services for more than 20 years and have accumulated profound technical and service experience. We continue to provide fast, safe and stable Email services for 150,000+ enterprises and over 7 million users.

    Product Advantages

    Global Email

    Global Email

    With abundant overseas IP resources, 263 has set up relay servers in many places around the world to ensure that users' emails can quickly reach any email address in the world.

    Smart anti-spam

    Smart anti-spam

    263 independently developed the TAP intelligent anti-spam gateway and passed the A-level acceptance of the National 863 Project. 263's AI+ big data intelligent analysis can accurately distinguish spam based on the relationship between emails.

    Safe and reliable

    Safe and reliable

    We provide hierarchical management and control of email to ensure that the rights and responsibilities are clear, the system is stable and efficient. our system got third level certification of Cybersecurity Classified Protection in China and has undergone many national-level security inspections.

    IT Application Innovation cloud mailbox

    IT Application Innovation cloud mailbox

    263 pioneered the launch of IT application innovation SaaS cloud mailbox service, which is specially built for the government, state-owned key enterprises, financial industry, insurance, and other industries. The service is purely localized, stable, reliable, and safe.

    Core Features

    Core usage features
    Smart anti-spam
    Global email
    Login authentication
    Withdraw sent email
    Recover accidentally deleted email
    Rich management and control features
    Multi-level management
    Enterprise address book
    Customizable mail filtering rules
    Customizable password rules
    Enterprise announcements
    Learn More
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