An image communication apparatus includes a transmitter that transmits an e-mail with data attached, via a computer network, a receiver that receives an e-mail with data attached, via the computer network, and a controller that converts the attached data into image data. The controller judges whether or not the received e-mail is an error mail, the error mail being related to the e-mail transmitted by the image communication apparatus, based on a search of a header of the received e-mail for a predetermined character string. The predetermined character string is related to a sender of the error mail. The controller determines that the received e-mail in the error mail, when the result of the search indicates that the header of the received e-mail includes the predetermined character string.