Information processing apparatus and method thereof

An information processing apparatus which forms an image including a reply mail text message writing field to which a reply mail text message is written for transmitting a reply mail in response to a received mail based on received mail information written as an image code, comprising:

• a received mail information obtaining unit for obtaining the received mail information including a mail account and a mail server address from the image code;
• a reply destination address obtaining unit for obtaining a reply destination address for the received mail from the received mail information;
• a transmitter address obtaining unit for obtaining a transmitter address of the received mail which address is a mail address of the mail account;
• a reply mail information code generating unit for generating a reply mail information code in which reply mail information including the reply destination address, the transmitter address, and the mail server address is converted into an image code;
• an invoice image generating unit for generating an invoice image including the reply destination address or the transmitter address;
• and
• a reply mail text message description image forming unit for forming a reply mail text message description image including the reply mail information code, the invoice image, and the reply mail text message writing field.