Provided is an information processing apparatus that transmits image data input by sequentially reading originals, with limiting an allowable frame size. The apparatus includes: a transmission control unit, in which, in a case where an original has an existing size, the transmission control unit transmits the image data to a destination with frames having one of frame sizes selected based on the existing size of the original, such that transmission of the current image data is finished before a start of transmission of the image data of the next original.