Nuno Cruz

I can confirm also that turning IPv6 resolved the issue, so we can assume that the server that is providing the service over IPv6 has some kind of issue.´

Thank...

Just to complete my answer, refreshed the tokens and the behavior is still the same

I still have the issue...

Thank you for the davmail hint! Lets see if I can set it to work in background, foreground is working fine!

@will you don't need to get the client id, just let ...

I also have the same issue, can't find a workaround...