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    • 14. 发明授权
    • Unwanted mail discriminating apparatus and unwanted mail discriminating method
    • 不需要的邮件识别装置和不需要的邮件识别方法
    • US07890588B2
    • 2011-02-15
    • US11431840
    • 2006-05-11
    • Masaru TakahashiTakeshi Sugiyama
    • Masaru TakahashiTakeshi Sugiyama
    • G06F15/16
    • H04L67/2828H04L67/28
    • Whether mail transmitted is unwanted mail is discriminated even in a case where the mail is transmitted from a zombie PC is determined by an unwanted mail discriminating apparatus. The unwanted mail discriminating apparatus has a mail receiver for receiving e-mail; an information extractor for extracting discrimination information for discrimination on whether or not unwanted mail, from the e-mail received; a reliability evaluating part (a sender information reliability evaluator and a URL information reliability evaluator) for connecting to a reliability evaluation database storing information corresponding to the discrimination information, which is for evaluating reliability of the discrimination information, and for evaluating the reliability of the extracted discrimination information with reference to the information stored in the reliability evaluation databases; and a discriminator for discriminating whether the received e-mail is unwanted mail, based on the reliability of the discrimination information evaluated.
    • 即使在由恶意PC发送邮件的情况下,即使是由不需要的邮件识别装置来确定邮件被发送是否是不需要的邮件。 不想要的邮件识别装置具有用于接收电子邮件的邮件接收器; 一种信息提取器,用于从接收的电子邮件中提取用于鉴别是否不需要的邮件的歧视信息; 用于连接到可靠性评估数据库的可靠性评估部分(存储器信息可靠性评估器和URL信息可靠性评估器),其存储与用于评估辨别信息的可靠性的鉴别信息相对应的信息,以及用于评估所提取的 参考可靠性评估数据库中存储的信息的鉴别信息; 以及鉴别器,用于基于所评估的鉴别信息的可靠性来鉴别所接收的电子邮件是否是不想要的邮件。