A computer-readable storage medium, storing, in executable form, a program, comprising:
- a code to receive e-mail data to which an image file is attached from an e-mail server in accordance with a transmission request;
- a code to reproduce an image based on the image file attached to the received e-mail data;
- a code to determine whether the image based on the image file attached to the received e-mail data is reproducible or not;
- a code to generate error information in a case where it is determined that the image is not reproducible;
- and
- a code to print the reproduced image in a case where it is determined that the image is reproducible, and to print the generated error information instead of printing the image file attached to the received e-mail data in a case where it is determined that the image based on the image file attached to the received e-mail data is not reproducible, the error information including information for specifying the received e-mail data to which the image file corresponding to the image determined to be not reproducible is attached.