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Is Postmark down right now?

No, it’s up.

Postmark appears to be up and running normally.

checked responded in 62msHTTP 200

Over the last 7 days, Postmark has answered our automated checks with 100.00% availability and a typical response time of ~66 ms. The most recent outage began 2026-09-09 12:22 UTC and lasted 15m (severity: degraded).

Postmark specialises in transactional email with an emphasis on deliverability and fast delivery times. Because its customers rely on messages arriving in seconds, even a modest processing delay is a real incident for password resets and one-time codes.

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Is Postmark down for everyone or just you?

Our automated checks are reaching Postmark normally right now, and it answered our last one in 62ms. That makes any trouble you are hitting more likely to be local to your connection, account or network than a full outage, which usually means you can fix it from your end.

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Postmark response time (last 24h)

Last 24hpeak 161 ms

Postmark incident history (last 90 days)

JulAugSep
  • up
  • slow
  • down
  • no reading
DateWhat happenedDurationSeverity
Measured by our checks15mDegraded

Postmark uptime

100.00%
7 days
100.00%
30 days
100.00%
90 days

Measured since 2026-08-12. Windows reaching further back are averaged over the 38 days we watched, not the full period. Counts our own checks. Days Postmark reported an incident are coloured in the timeline above but do not change this figure.

What to do if Postmark is down for just you

  • Check whether delivery is delayed rather than failed, since messages are queued and usually arrive once a backlog clears.
  • Test a second channel or recipient domain, because incidents are often limited to one carrier, region, or mailbox provider.
  • Confirm you have not hit a rate or spend limit, which returns the same errors as an outage.
  • Verify your webhook endpoint is still responding, as a receiving failure on your side mimics a provider problem.

Frequently asked questions

Postmark appears to be up and running normally. Last checked 2026-09-18 20:02 UTC.

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