1. A communication management apparatus that mediates data between (i) an information processing terminal having a temporary memory, (ii) an external memory device provided outside of the information processing terminal, and (iii) a device external to both the information processing terminal and the external memory device, the communication management apparatus comprising: a receiving unit configured to receive a write request issued by the device external to both the information processing terminal and the external memory device, the write request requesting to start writing data in the external memory device; a reading-writing unit configured to control reading of the data from the external memory device and control writing of the data in the external memory device; and a delete command issuing unit configured to, when the receiving unit receives the write request with respect to the external memory device from the device external to both the information processing terminal and the external memory device, issue a delete command to the information processing terminal for deleting temporary data that corresponds to the data stored in the external memory device and that is stored in the temporary memory.