USING DISTINGUISHING PROPERTIES TO CLASSIFY MESSAGES
First Claim
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1. A method for classifying messages, the method comprising:
- receiving an indication sent by a user over a communication network that an electronic message is spam;
executing instructions stored in memory, wherein execution of the instructions by a processor;
identifies one or more obscure distinguishing features, wherein numerical URLs are converted,generates a plurality of signatures, each signature based on one or more distinguishing features of the electronic message,compares the signatures to a list of known domains, wherein matching signatures are excluded, andcompares the remaining signatures for forbidden characters, wherein signature with forbidden characters are excluded; and
storing the remaining signatures in memory for comparison to subsequent electronic messages.
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Abstract
A system and method are disclosed for classifying a message. The method includes receiving the message, identifying in the message a distinguishing property; generating a signature using the distinguishing property; and comparing the signature to a database of signatures generated by previously classified messages.
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Citations
19 Claims
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1. A method for classifying messages, the method comprising:
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receiving an indication sent by a user over a communication network that an electronic message is spam; executing instructions stored in memory, wherein execution of the instructions by a processor; identifies one or more obscure distinguishing features, wherein numerical URLs are converted, generates a plurality of signatures, each signature based on one or more distinguishing features of the electronic message, compares the signatures to a list of known domains, wherein matching signatures are excluded, and compares the remaining signatures for forbidden characters, wherein signature with forbidden characters are excluded; and storing the remaining signatures in memory for comparison to subsequent electronic messages. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for classifying messages, the system comprising:
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a database to store a list of known domains; a processor to execute instructions; and a spam blocking client stored in memory and executable by the processor to; identifies one or more obscure distinguishing features of an electronic message sent over a communication network by a user that indicates that the electronic message is spam, wherein numerical URLs are converted, generates a plurality of signatures, each signature based on one or more distinguishing features of the electronic message, compares the signatures to a list of known domains, wherein matching signatures are excluded, and compares the remaining signatures for forbidden characters, wherein signature with forbidden characters are excluded; and storing the remaining signatures in memory for comparison to subsequent electronic messages. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A non-transitory computer-readable storage medium, having embodied thereon a program executable by a processor to perform a method for classifying messages, the method comprising:
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receiving an indication sent by a user that an electronic message is spam; identifying one or more obscure distinguishing features, wherein numerical URLs are converted; generating a plurality of signatures, each signature based on one or more distinguishing features of the electronic message; comparing the signatures to a list of known domains, wherein matching signatures are excluded; comparing the remaining signatures for forbidden characters, wherein signature with forbidden characters are excluded; and storing the remaining signatures for comparison to subsequent electronic messages.
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Specification