A reservation management device, comprising: a communication unit which receives an e-mail including reservation information regarding a service reservation in a form which is previously determined depending on a source address; characterized by a first storage unit which stores a plurality of different sets of recognition procedure information so as to be associated with source addresses respectively, each set of the recognition procedure information indicating a part of the e-mail from which character information representing the reservation information is recognized and how to recognize the character information, the part of the e-mail being either a part of the message text or an attached image; and a control unit which is adapted to recognize the character information representing the reservation information from an e-mail in a plurality of procedures corresponding to a source address of the e-mail received by the communication unit by using the set of the recognition procedure information associated with the source address among the plurality of different sets of the recognition procedure information stored in the first storage unit, the plurality of procedures including a procedure of extracting the character information from a prescribed portion of the message text and a procedure of performing Optical Character Recognition on an image attached to the email, the control unit further being adapted to determine a procedure corresponding to the source address of the received e-mail for being used for recognizing the character information representing the reservation information from the e-mail and to store the recognized character information representing the reservation information as a new record in a second storage unit. a communication unit which receives an e-mail including reservation information regarding a service reservation in a form which is previously determined depending on a source address; a first storage unit which stores a plurality of different sets of recognition procedure information so as to be associated with source addresses respectively, each set of the recognition procedure information indicating a part of the e-mail from which character information representing the reservation information is recognized and how to recognize the character information, the part of the e-mail being either a part of the message text or an attached image; and a control unit which is adapted to recognize the character information representing the reservation information from an e-mail in a plurality of procedures corresponding to a source address of the e-mail received by the communication unit by using the set of the recognition procedure information associated with the source address among the plurality of different sets of the recognition procedure information stored in the first storage unit, the plurality of procedures including a procedure of extracting the character information from a prescribed portion of the message text and a procedure of performing Optical Character Recognition on an image attached to the email, the control unit further being adapted to determine a procedure corresponding to the source address of the received e-mail for being used for recognizing the character information representing the reservation information from the e-mail and to store the recognized character information representing the reservation information as a new record in a second storage unit.