发明名称 |
MESSAGE CHALLENGE RESPONSE |
摘要 |
A system and method are disclosed for registering a email sender for the purpose of sending an email message to an email receiver including receiving a challenge message wherein the challenge message includes a machine answerable question; processing the challenge message to determine that it is a challenge message sent for the purpose of authorizing delivery of the email message; analyzing the question to determine a valid response to the challenge message; and sending the valid response that includes the answer wherein a nontrivial amount of resources are required to send the valid response.
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申请公布号 |
US2013191480(A1) |
申请公布日期 |
2013.07.25 |
申请号 |
US201313787693 |
申请日期 |
2013.03.06 |
申请人 |
OLIVER JONATHAN J.;WILSON BRIAN K.;UYEDA DAMON K.;EIKENBERRY SCOTT D.;KOBLAS DAVID A.;NUFIRE TIM |
发明人 |
OLIVER JONATHAN J.;WILSON BRIAN K.;UYEDA DAMON K.;EIKENBERRY SCOTT D.;KOBLAS DAVID A.;NUFIRE TIM |
分类号 |
H04L12/58 |
主分类号 |
H04L12/58 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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