Patent ID: 7535587

Claim:
A network facsimile apparatus comprising: a network interface unit configured to receive image information through a computer network as a file attached to an e-mail message; a facsimile interface unit configured to transmit said image information received by said network interface unit through said computer network as said file attached to said e-mail message, to another facsimile apparatus through a public channel in compliance with a facsimile transmission procedure; a memory unit configured to store an e-mail address inputted before the receipt of the image information by said network interface unit; a control unit configured to create, after the facsimile interface unit transmits the image information, a backup transmission e-mail message containing communication control information indicating a result of the facsimile transmission and, as an attachment to said a backup transmission e-mail message, a compressed image corresponding to said image information transmitted by facsimile transmission to the other facsimile apparatus through said public channel, and transmits said backup transmission e-mail message through said computer network to said e-mail address inputted before the receipt of the image information by said network interface unit, wherein said e-mail address to which said backup transmission e-mail message is transmitted does not correspond to said another facsimile apparatus to which said image information is transmitted by the facsimile transmission procedure.