Abstract: An electronic messaging system including a client computer adapted to receive transaction data pertinent to the sending of electronic messages, and to analyse the transactional data, alone or in combination with other data stored by the client computer to produce a selection of recipient addresses and content suitable for electronic messages to be sent over an electronic messaging facility and to receive electronic messages in reply and analyse the messages to associate each received electronic message with the sent electronic message to which it is a reply. Reports are formulated based on the characteristics of said message data, the client computer being further adapted to send such reports to a selected one or more recipients. An application to school attendance rolls is disclosed.