Microsoft Deliverability Issues (Outlook, Hotmail)

Investigating
Investigating

Engineering and Deliverability teams are continuing to investigate the issue. Broadcast emails sent to Microsoft Outlook and Hotmail recipients may experience intermittent deliverability issues during this time.

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Postmark Support
Investigating

We are continuing to investigate the situation. Updates will be provided ongoing.

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Postmark Support
Investigating

Broadcast emails are only being affected at this time. Transactional emails are working as expected.

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Postmark Support
Investigating

We are experiencing Broadcast email deliverability issues for Microsoft domains such as Outlook and Hotmail. Office 365 emails are delivering as expected. Engineering and Deliverability teams are actively investigating the situation.

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Postmark Support
Began at:

Affected components
  • API
    • Receiving
  • SMTP
    • Receiving