Patent ID: 8438232

Claim:
An e-mail transmission device transmits an e-mail based on an operation made by a user, the device comprising: a storage part for storing therein a destination address registration information in which a destination address of the e-mail, an address type information in which either of internal address or external address is registered as a type of the destination address, and when the address type registered in said address type information is an external address, the destination address registration information further includes an address of a person responsible for the external address, which person is in charge of said external address, wherein the destination address, the address type information, and the address of the person responsible for the external address are associated with each other; a transmission part for transmitting the e-mail to the destination address designated by the user from a plurality of destination addresses included in said destination address registration information; a user address identifying part for identifying a user address of the user who makes the transmission operation of the e-mail; wherein when the address type registered in said address type information associated with the designated destination address is an external address, said transmission part reads said address of the person responsible for the external address associated with the designated destination address, and which is not the user address identified by said user address identifying part, creates the e-mail in which the address of the person responsible for the external address is set for a source address field and a return address field, and transmits the e-mail thereby created to the designated destination address.