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Junk electronic mail detector and eliminator

  • US 9,276,880 B2
  • Filed: 03/25/2013
  • Issued: 03/01/2016
  • Est. Priority Date: 11/25/1997
  • Status: Expired due to Fees
First Claim
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1. A method for determining the status of an electronic mail message as SPAM or as a valid message comprising the steps of:

  • receiving an incoming electronic mail message, said incoming electronic mail message including sender origination information;

    creating a verification request to be sent to a purported sender of the incoming electronic mail message based at least in part on the sender origination information;

    sending the verification request to the purported sender;

    receiving a verification response including information relating to the deliverability of the verification request; and

    determining the status of said incoming electronic mail message as SPAM or as a valid message based at least in part on said information relating to the deliverability of the verification request, wherein said email message header further comprises a “

    Reply-To”

    field, and wherein said method further comprises the steps of;

    parsing said e-mail message header to identify a user id and a host name in the “

    Reply-To”

    field of said e-mail message header;

    creating a “

    Reply-To”

    verification request to be sent to said user id in the “

    Reply-To”

    field at said host name in the “

    Reply-To”

    field to determine whether the user id and the host name in the “

    Reply-To”

    field are valid;

    sending the “

    Reply-To”

    verification request to said user id in the “

    Reply-To”

    field at said host name in the “

    Reply-To”

    field;

    receiving a verification response including information relating to the deliverability of the “

    Reply-To”

    field verification request; and

    determining the status of said incoming electronic mail message as SPAM or as a valid message based at least in part on said information relating to the deliverability of the “

    Reply-To”

    verification request.

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