FIELD: physics; computer engineering.
SUBSTANCE: present invention includes an e-mail component and an identification request component. The e-mail component can receive e-mail messages and calculate associated probability that data of the e-mail message are spam. The identification request component sends an identification request to the e-mail message sender having the said probability greater than the first received value. The identification request component corrects the probability that the given e-mail message is spam at least partially based on the response to the identification request. The identification request can be an embedded code, a calculated identification request, an identification request requiring participation of a person, and/or micro-payment requirement.
EFFECT: invention provides detection of spam through identification requests.
31 cl, 13 dwg
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