Associating preview images with destination addresses

There is disclosed an image processing apparatus including (a) a reading portion which reads an image to obtain image data of the image, (b) a transmission-information display portion which presents, in a single screen, a preview image indicative of a content of the image data obtained by the reading portion, and a plurality of destination addresses, (c) an association setting portion which sets an association between the preview image and one of the destination addresses presented by the transmission-information display portion, which one destination address is selected by a user, and (d) a sending portion which sends the image data the content of which is indicated by the preview image to the destination address with which the preview image is associated, on the basis of the association set by the association setting portion.