Method for identifying and filtering unsolicited bulk email
First Claim
Patent Images
1. A method of identifying unsolicited bulk email messages, comprising:
- monitoring electronic messages being sent to a plurality of recipients;
identifying a subset of the electronic messages advertising a particular domain name;
assessing reputation of the particular domain name;
determining how many recipients received an electronic message from the subset of electronic messages; and
deeming the subset of electronic messages to be unsolicited bulk messages when the particular domain name is not reputable and the number of recipients receiving an electronic message from the subset of electronic messages exceeds a frequency threshold.
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Abstract
An improved method is provided for identifying unsolicited bulk email messages. The method includes: monitoring electronic messages being sent to a plurality of recipients; identifying a subset of the electronic messages advertising a particular domain name; assessing reputation of the particular domain name; determining how many recipients received an electronic message from the subset of electronic messages; and deeming the subset of electronic messages to be unsolicited bulk messages when the particular domain name is not reputable and the number of recipients receiving an electronic message from the subset of electronic messages exceeds a threshold.
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Citations
21 Claims
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1. A method of identifying unsolicited bulk email messages, comprising:
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monitoring electronic messages being sent to a plurality of recipients;
identifying a subset of the electronic messages advertising a particular domain name;
assessing reputation of the particular domain name;
determining how many recipients received an electronic message from the subset of electronic messages; and
deeming the subset of electronic messages to be unsolicited bulk messages when the particular domain name is not reputable and the number of recipients receiving an electronic message from the subset of electronic messages exceeds a frequency threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of identifying unsolicited bulk email messages, comprising:
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monitoring electronic messages being sent to a plurality of recipients;
identifying a subset of the electronic messages advertising a particular domain name;
determining if the particular domain name was registered with a domain name registrar within a period of time;
determining how many recipients received an electronic message from the subset of electronic messages; and
deeming the subset of electronic messages to be unsolicited bulk messages when the particular domain name advertised in the subset of electronic messages has been registered within the defined period of time and the number of recipients receiving an electronic message from the subset of electronic messages exceeds a frequency threshold. - View Dependent Claims (11, 12, 13, 14)
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15. A method for identifying unwanted email messages, comprising:
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(a) identifying a domain name associated with an unwanted email message;
(b) determining a domain name server associated with the domain name;
(c) determining a network address for the domain name server;
(d) identifying each domain name server associated with the network address;
(e) identifying domain names associated with each of the domain name servers; and
(f) deeming any email message advertising an identified domain name as an unwanted email message. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification