Distributed sender reputations
First Claim
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1. A method comprising:
- evaluating multiple characteristics of message delivery to establish a reputation for a sender of the message by a mail transfer agent; and
sharing data which describes the evaluation with another mail transfer agent.
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Accused Products
Abstract
Distributed sender reputations are described. In an implementation, a method includes evaluating multiple characteristics of message delivery to establish a reputation for a sender of the message by a mail transfer agent and sharing data which describes the evaluation with another mail transfer agent.
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Citations
20 Claims
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1. A method comprising:
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evaluating multiple characteristics of message delivery to establish a reputation for a sender of the message by a mail transfer agent; and
sharing data which describes the evaluation with another mail transfer agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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obtaining data from a plurality of mail transfer agents, wherein the data is suitable for generating a reputation to describe a relative likelihood that a sender sends malicious messages; and
aggregating the data in a data repository for communication to one or more said mail transfer agents such that one or more said mail transfer agents establishes a reputation for a sender of the messages received by another one of the plurality of mail transfer agents. - View Dependent Claims (12, 13, 14, 15, 16)
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- 17. A system comprising a plurality of mail transfer agents that are communicatively coupled, one to another, to share data suitable for determining a relative likelihood that a message sender sends malicious messages.
Specification