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Membership query method |
— |
2018-10-16 |
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Unsolicited message rejecting communications processor |
Richard P. White, Alan Huang, Ira Victor Spivack |
2014-07-22 |
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Systems and methods for blocking unsolicited electronic mail messages |
Ira Victor Spivack, Richard P. White, Alan Huang |
2013-04-16 |
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Alan Huang |
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System and method for protecting mail servers from mail flood attacks |
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System and method for protecting mail servers from mail flood attacks |
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2011-03-22 |
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Loop protection for a protective proxy |
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2010-11-02 |
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Unsolicited message diverting communications processor |
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2010-05-11 |
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Unsolicited message intercepting communications processor |
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2010-03-02 |
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Method of adding stages to a scalable switching network |
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2009-11-03 |
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Unsolicited message rejecting communications processor |
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2009-02-10 |
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Fanout upgrade for a scalable switching network |
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2008-06-17 |
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2007-12-18 |
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Fanout upgrade for a scalable switching network |
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Row upgrade for a scalable switching network |
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2005-05-31 |