Change in authentication method for @s address mail system

Due to the October 1, 2022 change by Microsoft Corporation in the authentication method for Outlook and other products, it may be necessary to change the settings related to authentication in the @s address mail system. If you have been experiencing authentication failures and cannot read your mail since October, please change your authentication settings or take other measures to prevent such problems. For details, please refer to the information on the following Web page.