A list managing method to be carried out by a list management server for updating a list representing an information provider terminal monitored by a receiver terminal and used to distribute information from said information provider terminal to said receiver terminal, based on an updating request sent through a communication link from a third party terminal which is different from both said receiver terminal and an administrator terminal of an administrator of said list, said list management server including a list storage unit for storing said list, said list managing method comprising the steps of:
- (a) accepting said updating request and identifying information for identifying a user of said third party terminal from said third party terminal, and determining whether said user has an updating authority to update said list, using said identifying information;
- and
- (b) if it is judged that said user has an updating authority to update said list, permitting said third party terminal to update said list.