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Incident detail

Delivery Delayed Events to Microsoft Hosted Domains

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Timeline

Incident updates

Updates are normalized from the official source chronology so timeline changes remain easy to scan.

  1. Investigating

    We're currently investigating reports of an increase in Delivery Delayed events to Microsoft-hosted email addresses.

  2. Investigating

    We're continuing to investigate the causes of Deliverability Delayed events with Microsoft and working with them directly. Thank you for your patience as we investigate this.

  3. Monitoring

    We've received word from Microsoft that they've addressed the cause of the bounces. While it may still be possible to see emails in the Delivery Delayed status while we wait on retry, newly sent emails are now Delivered.

  4. Resolved

    Delivery to Microsoft has returned to normal. Thank you for your patience as we worked with them regarding this.