1. A communication terminal device comprising: an image storage unit to store images; an e-mail address storage unit to store persons' e-mail addresses; an attached image selection unit to receive a user's selection of an image to be attached to an e-mail from the images stored in the image storage unit; an imaged object detection unit to detect information that specifies an imaged person in the attached image selected by the attached image selection unit; an e-mail address acquisition unit to acquire an e-mail address of the imaged person from the e-mail addresses stored in the e-mail address storage unit, on the basis of the information detected by the imaged object detection unit; a display unit to display the e-mail addresses acquired by the e-mail address acquisition unit as destination candidates of the e-mail with the attached image so as to be selected by the user; and an e-mail address setting unit to set an e-mail address selected by the user from the e-mail addresses selectably displayed by the display unit as a destination of the e-mail with the attached image.