| 摘要 |
A global email classification system enables email messages to be classified based on various factors into many categories. The global email classification system includes email classification servers, email classification clients, and other components. Personal email messages are in a special category. This invention includes a method to classify email messages into personal email messages and non-personal email messages. In an email classification system, an email message is processed by the email sender classification client before it is sent out. The email sender classification client requests a challenge object from the email classification server. The challenge/response process plus other factors determines the email classification. The challenge/response result is stored in the email classification server as an email data object. Before the email is delivered to the email recipient, the email recipient classification client processes the email and obtains the email classification code from the email classification server. The email recipient is informed the email classification by the email recipient classification client. A global email classification system requires coordination of many email classification systems. The coordination mainly involves moving and accessing email data objects from different simple email classification systems.
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