Patent ID: 7408664

Claim:
A network facsimile, comprising: a facsimile function operative to communicate with facsimiles via public network using a facsimile transmission procedure; an electronic mail transmission function operative to transmit an electronic mail containing an image in a prescribed format to at least one transmission destination connected to a local or a wide area networks; an electronic mail address memory configured to store an electronic mail address of a transmission destination when the network facsimile transmits an electronic mail to the transmission destination; an electronic mail address extraction device configured to extract said electronic mail address, designated when said electronic mail is transmitted to said transmission destination, and store the extracted electronic mail address in said electronic mail address memory; an electronic mail information storing device configured to store at least electronic mail information when the network facsimile receives the electronic mail information; an electronic mail scrap determination device configured to determine if a received electronic mail is to be scrapped when an electronic mail address or a domain assigned to the electronic mail has not been stored in the electronic mail address memory; an electronic mail scrapping device configured to scrap the received electronic mail in accordance with a determination of the electronic mail scrap determination device; and a checking objective selecting device configured to select one of an electronic mail address and a domain as a checking objective checked by the electronic mail scrap determination device, wherein said checking objective is selected by the network facsimile in accordance with an electronic mail sender.