Method and system for indicating an email sender as spammer
First Claim
1. A method for indicating a sender of an email message as spammer, the method comprising the steps of:
- obtaining an identifier associated with the real identity of said sender;
relating said email message to said identifier;
calculating the mail flow rate of said identifier; and
if said mail flow rate exceeds a predefined threshold, performing an operation selected from the group consisting of;
determining the real sender associated with said identifier as a suspected spammer, determining said email message as suspected of being spam.
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Accused Products
Abstract
In one aspect the present invention is directed to a method for indicating a sender of an email message as spammer, the method comprising the steps of: obtaining an identifier associated with the real identity of the sender; relating the email message to the identifier; calculating the mail flow rate of the identifier; and if the mail flow rate exceeds a predefined threshold, determining the real sender associated with the identifier as a suspected spammer and/or the determining email as suspected of being spam. The method may further comprise the step of: adding to the email message indication about being spam according to the determining; and digitally signing the email message with a private key.
27 Citations
25 Claims
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1. A method for indicating a sender of an email message as spammer, the method comprising the steps of:
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obtaining an identifier associated with the real identity of said sender;
relating said email message to said identifier;
calculating the mail flow rate of said identifier; and
if said mail flow rate exceeds a predefined threshold, performing an operation selected from the group consisting of;
determining the real sender associated with said identifier as a suspected spammer, determining said email message as suspected of being spam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for indicating a sender of an email message as spammer, the system comprising:
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a facility for identifying the real identity of a sender of an email message;
a facility for counting the number of email messages sent by said sender;
a facility for indicating said sender as spammer by comparing an email flow rate of said sender with a threshold thereof; and
a facility for blocking email messages sent from a sender suspected as being a spammer. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification