Good day!
Today without any changes in K2 or Exchange Online we have had issues in ALL 'send e-mail' activity "SourceCode.Workflow.Shapes.EWS: Autodiscover not available and mail cannot be sent. Reconfigure K2 server with valid Exchange settings."
Unfortunately, I don't have another O365 tenant or on-premise exchange server to test it with other settings. K2 Five (5.4) FP53.
What can I do to fix or deeper investigate this issue?
Best answer by KochevojRoman
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