| 摘要 |
PURPOSE: A system for blocking a spam mail using an online spam blocking filter and an IMAP(Interactive Mail Access Protocol) server method is provided to enable general users to block the spam mail with only the given online spam blocking filter without separate setting by transferring the online spam blocking filter analyzing information of the spam mail to an MUA(Mail User Agency) of a PC. CONSTITUTION: The system comprises a remote server(400) providing a new online spam blocking filter by connecting to the network such as the Internet(300), a POP3(Post Office Protocol version 3) proxy server(100a) receiving a mail from a mail server(200), an IMAP server(100b), and the MUA(100c) supporting the POP3. After checking the version of the latest online spam blocking filter by connecting to the remote server, the POP3 proxy server downloads the new online spam blocking filter if the online spam blocking filter of the MUA is an old version. The MUA blocks the spam mail by using the online spam blocking filter provided through the online without separately generating the spam blocking filter.
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