Patent ID: 8719364

Claim:
A network management system comprising at least a processing unit and memory serving as: a first transmitting/receiving unit adapted to transmit/receive an email via a network; a first saving unit adapted to save, in a database, first history information including the address of at least one of the destination and the source of the email written in the email; a second saving unit adapted to save, in the database, second history information including first URL information retrieved from the email, wherein the first URL information is not retrieved from an address of the destination or the source of the email; a second transmitting/receiving unit adapted to transmit/receive a request to access a web page, the request including second URL information associated with the web page; a third saving unit adapted to save, in the database, third history information including the second URL information; a first analyzing unit adapted to analyze whether the email is an unsolicited email based at least in part on the second history information; and a display control unit adapted to selectively display, on a display unit, the first history information, the second history information, and the third history information stored in the database.