A file transmission apparatus includes a mail producing section that produces an email for transmitting a transmission object file, a file name producing section that produces a file name of the transmission object file based a character string included in the email processed by the mail producing section and that assigns the produced file name to the transmission object file, and a transmission section that attaches, to the email, the transmission object file with the file name assigned at the file name producing section and that transmits the email, to make user's manipulation significantly simplified and the usability further improved.