Patent ID: 7405837

Claim:
An image transmission device comprising: a first transmitting unit configured to transmit an electronic mail which is attached with an image file in a file format defined by an Internet facsimile system; a second transmitting unit configured to transmit an electronic mail which is attached with an image file in a file format different from the file format defined by the Internet facsimile system; a selecting unit configured to select the first transmitting unit or the second transmitting unit; a class information storing unit to store class information indicating whether a terminal provided in association with a mail address is in accordance with that corresponding to the Internet facsimile system or not; and a first informing unit configured to inform a confirmation result about the first transmitting unit or the second transmitting unit, which is selected by the selecting unit on the basis of the class information stored in the class information storing unit in association with the mail address designated as a transmission destination.