E-Mail Notification 504 5.7.4 Unrecognized authentication type

  • Used Zammad version: 2.5.x
  • Operating system: Ubuntu 16.04
  • Browser + version: Chrome 67.0.3396.99

Setup E-mail notification

I always get the following error message with the same login data as in the email accounts:

The setup of the e-mail account worked without any problems.

Email Server is an Exchange 2016.

Can someone help me?

Thx
Tim

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