Microsoft 365 Alert : Service Degradation – Exchange Online – Some users’ Exchange Online outgoing messages are delayed or stuck in the Drafts or Sent Items folder after sending – RESOLVED

15/12/2021 07:42:00 AM (GMT)

Issue Reported : 14/12/2021 5:30:00 PM 

Microsoft Reference : EX305387

Issue Status: RESTORED

Issue Description: Users’ Exchange Online outgoing messages are delayed or stuck in the Drafts or Sent Items folder after sending.

More info: Email that was stuck in the Drafts folder as well as some messages showing in the Sent folder were actually queued for delivery, but hadn’t been sent.

Scope of impact: This issue affected some users sending email through Exchange Online that were served through the affected infrastructure.

Final Update – 15/12/2021 07:42:00 AM: Microsoft completed the routing configuration change deployment resolving the underlying issue and confirmed with users that current messages and previously queued mail is being delivered as expected.

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