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System utilizing updated spam signatures for performing secondary signature-based analysis of a held e-mail to improve spam email detection
System utilizing updated spam signatures for performing secondary signature-based analysis of a held e-mail to improve spam email detection
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机译:系统利用更新的垃圾邮件签名对保留的电子邮件执行基于辅助签名的分析,以改善垃圾邮件的检测
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摘要
A spam manager (101) receives (201) at least one e-mail (106) addressed to a domain (103). The spam manager (101) performs (203) a signature based analysis of received e-mail (106) to determine whether received e-mail (106) includes at least one signature indicative of spam. Responsive to the spam manager (101) identifying e-mail (106) that does not include at least one signature indicative of spam and to a timeout period not having transpired from a time of receipt of the e-mail (106) by the spam manager (101), the spam manager (101) performs (205) at least one secondary analysis of the identified e-mail (106).
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