A program recording medium storing a program to cause a computer to perform message-address management processing in a system capable of exchanging messages among a plurality of servers, wherein the program causing the computer to perform:
- absence-response-information receiving processing to receive from a server absence response information including at least an old address and a new address of a certain member of a mail group;
- absence-response-information management processing to store and manage the absence response information;
- address judgment processing to judge whether an address of an accepted transmission mail matches the old address contained in the absence response information;
- and
- transfer processing to transmit the mail after replacement of the address with the new address, when the address of the mail matches the old address contained in the absence response information.