gmail sendgmail configuration for git send-email

From May 30, 2022 : > Google no longer supports the use of third-party apps or devices which ask you to sign in to your Google Account using only your username and password. This is a problem for various applications including git send-email . sendgmail is tool from Google written in go which allows to use OAuth2 credentials. Using sendgmail requires certain configuration in Google Cloud , download JSON with configuration and rename to ~/.sendgmail.json and then run once: $ GOPATH/bin/sendgmail -sender=USERNAME@gmail.com -setup 1. Ensure that you are logged in as USERNAME@gmail.com in your browser. 2. Open the following link and authorise sendgmail: https://accounts.google.com/o/oauth2/auth ?... 3. Enter the authorisation code: My ~/.sendgmail.json contains redirect_uris":["http://localhost"], therefore clicked website is redirected to localhost (no webserver is on my machine) and I don't get the authorisation code. Could anybody explain what exactly to do in Google Cloud setup to get it working?