Patent Document ID: 7543026
Application ID: 10017241

Base Claim:
1. A method comprising: parsing a domain portion of an e-mail address and an identifier portion of the e-mail address; identifying a format requirement corresponding to the domain portion in a domain name database, wherein the identified format requirement is a function of an addressee's name; determining whether the identifier portion is consistent with the identified format requirement by comparing the identifier portion to a list of known names and utilizing a statistical frequency of the known names to determine a score relating to whether the identifier portion is consistent with one or more known names under the identified format requirement; providing an indication of whether the identifier portion is consistent with the identified format requirement; and providing a format suggestion based on the identified format.

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Claim 2:
2. The method of claim 1 wherein the determining further comprises: receiving addressee information about an addressee to whom a message is intended at the e-mail address; and determining whether the addressee information is consistent with the identifier portion and the identified format requirement, wherein the addressee information provides information in addition to the email address.