要約

When testing the connection of an Incoming Mail Handler, an error is displayed indicating the need for re-authorization.

環境

クラウド

原因

The Gmail account used for setup must possess the "Read, compose, and send emails from your Gmail account" permission.

ソリューション

Delete the current mail server, ensure to enable (check mark) the permission of "Read, Compose, and send emails" from your Gmail account and then set up the mail server again.