Outlook is not working, issue on Microsoft side.
They are working on a fix.
As a result, sending messages from Zammad doesn't work either. It's best not to try to reply.
information from Microsoft
Last update by: Friday, November 13, 2026, at 8:30 AM UTC
Current status: We’re seeing positive results for server stability after applying an upstream authentication/routing configuration component patch to a portion of our infrastructure. We’ll continue to monitor its progress and are working to expand it to servers supporting active regions coming online.
As of now, we are not aware of any malicious activity that is causing this incident. We will continue to treat this incident with urgency and priority until full resolution. Once mitigated, we will provide full details of the root cause, defense-in-depth repair items, and more within a Post-Incident Report.
