A communication terminal with a camera includes a communicator for processing the sending and receiving of mail messages, a designator for designating any one of the mail messages received by the communicator as a browsing mail message, and a determiner for determining whether there is an image related to the browsing mail message. When a determination result by the determiner is negative, a first validator validates a defined camera setting, and when a determination result by the determiner is affirmative, a second validator validates a camera setting compliant with the related image. A creator creates an image along with the camera setting validated by the first validator or the second validator, and an attacher attaches the image created by the creator to a mail message using a sending source of the browsing mail message as a destination.