Patent ID: 8181256

Claim:
A data transmission apparatus using two or more types of transmission media, which transmits data using at least one of the types of transmission media, comprising: an authority storage unit that stores authority information representing each of plural users' use authority to use each respective one of the types of transmission media; and a destination storage unit that is configured to store an individual destination including information representing one of the plurality types of transmission media and a group destination including a plurality of individual destinations; a transmission control unit that identifies a restricted type of transmission medium, for which a current user does not have use authority, by referring to said authority storage unit and restricts transmission of data to a destination of the restricted type of transmission medium and a group destination including a destination of the restricted type of transmission medium, wherein the types of transmission media include at least one type of transmission medium from a group consisting of email, facsimile (FAX), file transfer protocol (FTP), and server message block (SMB).