The server which provides at least one of an image and additional information of the image via a network to a mobile terminal of an access source when access is received from the mobile terminal via the network using access information recorded together with the image on a prescribed print medium, the server comprises: an encrypting device which encrypts identification information corresponding to the image; an access information generating device which generates the access information containing a plain text URL required for access to the server and the encrypted identification information; a print instruction information creating device which creates instruction information that the access information is recorded together with the image onto a print medium by a prescribed printer; a receiving device which receives the encrypted identification information contained in the access information from the mobile terminal when the access information recorded on the print medium is inputted to the mobile terminal; a decrypting device which decrypts the encrypted identification information that is received; and a transmitting device which transmits at least one of the image and the additional information of the image that correspond to the decrypted identification information to the mobile terminal.