An information processing apparatus that has an electronic mail function and is capable of operating in cooperation with a portable terminal, the information processing apparatus comprising: communication means for performing a communication with the portable terminal; terminal control means for transmitting a command of activating an address book application to the portable terminal through the communication means in a case where the electronic mail function is selected, and for acquiring a transmission destination address and a user address from the portable terminal; mail creating means for creating an electronic mail in which the transmission destination address acquired by the terminal control means is set to a transmission destination of the electronic mail, and the user address acquired by the terminal control means to a transmission source of the electronic mail; image acquiring means for acquiring an image to be transmitted with the electronic mail; and mail transmitting means for attaching the image acquired by the image acquiring means to the electronic mail created by the mail creating means, and for transmitting the electronic mail, characterized in that after transmitting the command of activating the address book application to the portable terminal through the communication means, the terminal control means is configured to display an address selection screen capable of being operated by a user on the basis of screen information that is received from the portable terminal, and to transmit operation information to the portable terminal on the basis of an operation that is performed with respect to the address selection screen by the user, the operation information including position coordinates of the operation by the user. communication means for performing a communication with the portable terminal; terminal control means for transmitting a command of activating an address book application to the portable terminal through the communication means in a case where the electronic mail function is selected, and for acquiring a transmission destination address and a user address from the portable terminal; mail creating means for creating an electronic mail in which the transmission destination address acquired by the terminal control means is set to a transmission destination of the electronic mail, and the user address acquired by the terminal control means to a transmission source of the electronic mail; image acquiring means for acquiring an image to be transmitted with the electronic mail; and mail transmitting means for attaching the image acquired by the image acquiring means to the electronic mail created by the mail creating means, and for transmitting the electronic mail, characterized in that after transmitting the command of activating the address book application to the portable terminal through the communication means, the terminal control means is configured to display an address selection screen capable of being operated by a user on the basis of screen information that is received from the portable terminal, and to transmit operation information to the portable terminal on the basis of an operation that is performed with respect to the address selection screen by the user, the operation information including position coordinates of the operation by the user.