To enable a voice reading aloud an electronic mail to be freely selected and moreover to enable emotion to be attached to the electronic mail.

This device is an electronic mail receiving device 2 reading aloud an electronic mail with a synthetic voice. At this time, the device is provided with a mail receiving device 21 receiving an electronic mail to which fundamental voice quality data are attached, a data separating part 22 separating text data and the voice quality data from the received mail, a text analyzing part 23 calculating a voice synthesis rule from the text data, a voice quality converting part 24 making phonemic data group of voice synthesis which are preliminarily prepared adaptive to a prescribed voice quality by using the voice quality data and a voive synthesis part 26 synthesizing the phonemic data group made adaptive to the prescribed voice quality by the part 24 according to the voice synthesis rule calculated by the part 23.