Outage report · Major outage

Postmark outage on Feb 1, 2026

Postmark UI Unavailable

SeverityMajor outage
StartedFeb 1, 2026, 13:30UTC
ResolvedFeb 2, 2026, 16:37UTC
Duration1d 3h

What happened

Postmark reported a major outage starting Feb 1, 2026, 13:30 UTC. It was marked resolved at Feb 2, 2026, 16:37 UTC.

  • The incident lasted 1d 3h from first report to resolution.
  • It was the longest significant outage Postmark reported in the 12 months up to it.
  • Postmark had reported no other partial or major outages in the 90 days before it.

Latest update from Postmark

The Postmark UI availability was restored February 1st at approximately ~8am EST. We experienced an infrastructure issue that caused the UI to be unavailable for an extended period. This did not impact sending. We have identified the issue and remediated it. We are also working on improvements to our alerting to ensure a more timely update to our customers. We do not anticipate further issues.

Read Postmark's official incident report ↗

What our independent monitoring saw

Our independent monitoring of Postmark started after this incident, so this report is based on Postmark's status page.

Postmark's overall reliability

68.3/100

Postmark has a reliability score of 68.3/100, with 99.58% effective uptime and 8 incidents over the last 90 days.

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