| 摘要 |
Disclosed is a method and system for storing mail permanently without restriction of storage space of mail box. When user requests to store certain mail permanently, mail server transforms the requested mail data into permanent mail data with predetermined format. The transformed mail data is transmitted to an external server, the external server is a various kind of server that provides personal information storage space. The external server stores received permanent mail data on corresponding user area. If user requests to read permanent mail, the mail server requests the requested permanent mail data to the external server, and the external server transmits the requested permanent mail data to the mail server, by which users can read mails indicated as permanent mail regardless mail capacity of mail box.
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