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