To provide greeting mail which enables more colorful expression.

Greeting mail is composed of a floppy disk 2, a package 3 for receiving and sending the floppy disk 2, and a fixing member 4. An address entering area 31 and a sender entering area 32 are formed on the inner surface of the package 3. A program to materialize functions to make a computer execute the input and display of an address, a sender, and a message and also execute a dialogue type game in which an image plane is displayed and sound is reproduced by the indication of an operator is recorded in the floppy disk 2.