Method for determining e-mail address format rules

  • US 7,149,780 B2
  • Filed: 12/14/2001
  • Issued: 12/12/2006
  • Est. Priority Date: 12/14/2001
  • Status: Active Grant
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First Claim
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1. A method for determining an e-mail address formatting rule corresponding to a domain name, the method comprising:

  • gathering e-mail address data corresponding to the domain name;

    determining the e-mail address formatting rule from a group of formatting rules for the unique identifier portion of the e-mail address based on the gathered e-mail address data; and

    electronically storing an association of the e-mail address formatting rule with the domain name,wherein the e-mail address data comprises a first e-mail address, and the step of determining the e-mail address formatting rule further comprises;

    parsing a domain portion of the first e-mail address;

    parsing an identifier portion of the first e-mail address; and

    determining whether the identifier portion is consistent with one or more known e-mail address formatting rules from a group of at least two known e-mail address formatting rules,wherein the one or more known e-mail address formatting rules are from a list consisting of;

    last.first, first.last, alphanumeric only, LLLLLLFF, FFLLLLLL, FMLLLLLL, telephone number, punctuation required, minimum number of characters, or maximum number of characters.

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