MAIL SERVER AND RECEIVED MAIL SELECTING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a mail server and a received mail selecting method that can more surely prevent reception of evil-minded mail and prank mail without the need for revising mail address. SOLUTION: The mail server decides whether mail arrived in the server is to be transferred to a client depending on a condition selected by the client among a 1st condition where the client receives only mail from mail addresses registered in a reception acceptance database, a 2nd reception condition where the client receives no mail from mail addresses registered in a reception reject database, and a 3rd reception condition where the client is inquired about reception acceptance of mail with mail addresses not registered in the reception acceptance database or the reception reject database.