Postmark incident

SMTP Sending Delays in the European Union

Resolved after 1 hour 29 minutes, on April 21, 2026.

resolved Apr 21, 2026, 11:40 PM UTC

Good news - this issue has been resolved and everything should be working normally now. We're continuing to monitor closely to make sure everything stays stable. Thank you so much for your patience while we worked through this.

Started
Apr 21, 2026, 10:10 PM UTC
Resolved
Apr 21, 2026, 11:40 PM UTC
Duration
1h 29m
Detected by Pingoru
Apr 21, 2026, 10:10 PM UTC

Update timeline

  1. investigating Apr 21, 2026, 10:10 PM UTC

    Some customers sending from the European Union are experiencing delays in outbound message delivery. Affected messages may appear in a "Processing" state. We are actively investigating the issue and will provide an update shortly.

  2. investigating Apr 21, 2026, 11:30 PM UTC

    The issue has been identified and a fix has been deployed. Previously delayed messages are now sending. We will continue to monitor until the backlog has fully cleared.

  3. resolved Apr 21, 2026, 11:40 PM UTC

    Good news - this issue has been resolved and everything should be working normally now. We're continuing to monitor closely to make sure everything stays stable. Thank you so much for your patience while we worked through this.

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