1. A communication terminal apparatus comprising: attribute storing means for storing a specific attribute; mail receiving means for receiving a mail; notifying means for judging whether or not the mail received by the mail receiving means includes the specific attribute stored in the attribute storing means, and for notifying incoming of the mail with an incoming-call alert when it is determined that the received mail includes the specific attribute, the above incoming-call alert being generally used to notify an incoming call; and reading out means for reading out contents of the mail received by the mail receiving means with synthesized voice in response to off-hook operation which is executed while the notifying means is notifying the incoming of the mail with the incoming-call alert.