Method of validating requests for sender reputation information
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United States of America Patent
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Jan 25, 2011
Grant Date -
Mar 29, 2007
app pub date -
May 5, 2006
filing date -
May 5, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A method of validating queries for reputation scores of message senders comprises receiving, from a first host computer, a DNS format query to obtain a reputation score associated with a second host computer, wherein the query includes an authentication code; validating the authentication code; and only when validating the authentication code is successful, performing a DNS lookup in a reputation database and returning a DNS response that provides the reputation score associated with the second host computer.
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