Problem solved!
After Register service principals in Exchange accordingly, the blocked was that I used IMAP instead of IMAPTLS protocol.
All good, thank you for help that lead me to resolving all problems.
And sorry for lame questions
Guys, I sucessfully request new token! Maybe new APP registration in Azure was also needed. Now I need last hint, I hope. What is the correct Microsoft HOST address to get to IMAP via oAUth2? I am using this https://login.microsoftonline.com/tenantID*********ec9ad775/oauth2/v2.0/token or just simple...
Hello, thanks for quick feedbacks. After aligning FQDN and return URI at Azure make some progress, but I still can´t get token. Now, after request new Token from Znuny, it opens a link https://myserver_FQDN/otrs/get-oauth2-token-by-authorization-code.pl?code=0.ASAAQOU******v-STQrBDJw-ATPIdpnUdiR3Ory...
Hello guys, please for help how to set Azure App Registration and Zuny OAuth 2.0 Module. So far I used Windows OTRS v3, but TLS 1.0 issue forced me to migrate to Linux´s Znuny. By requesting a new Token I can´t get thru redirect URi. It always crash of some error: AADSTS900971: No reply address prov...