cannot use current gmail inbox and SMTP

Infos:

  • Used Zammad version: This is Zammad version 6.4.1
  • Used Zammad installation type: (source, package, docker-compose, …) Docker
  • Operating system:
  • Browser + version: chrome latest

Expected behavior:

  • mail service and google mailbox

Actual behavior:

*authentication error although credentials are correct and can log onto the mailbox google from browser.

Steps to reproduce the behavior: