Patent ID: 7162514

Claim:
A communication apparatus that transmits an electronic mail for a change notification of at least one of an electronic mail address or a telephone number, comprising: an electronic mail address registering means that registers at least one electronic mail address; an obtaining means that obtains at least one of the at least one electronic mail address registered in said electronic mail address registering device; a transmitting means that transmits the electronic mail for the change notification to each of the obtained at least one electronic mail address; an electronic mail generating means that automatically generates the electronic mail for the change notification to be sent to the registered at least one electronic mail address; a format registering means that registers at least one format to be used for generating the electronic mail for the change notification; a language determining means that determines whether a character code to be used for generating the electronic mail for the change notification is a double-byte character code; and a format selecting means that selects one of the registered at least one format based on a result of the determination by said language determining device, wherein said electronic mail address generating means generates the electronic mail for the change notification using the selected format.