Is Postmark down?
Transactional email with high deliverability.
Severity over 90 days
From the incidents published by the provider. Maintenance excluded.
Downtime over 90 days
What to do if Postmark is down
Check it isn't your side
Open another site. If it loads, your connection is fine.
Read the official source
Postmark's status page is authoritative. It is the one we poll every 5 minutes.
Official status page →See what people are reporting
Outages often surface on X before Postmark publishes them.
“Postmark down” reports on X →Know when it is back
Rather than reloading this page, leave your address: the alert goes out as soon as it updates.
Incident history
Published by Postmark
Official source
Data from Postmark's public status page.
Official status pageFrequently asked questions
Is Postmark down right now?
As of the last check (2026-09-17 00:27 UTC), Postmark reports “Operational” on its official status page. No ongoing incident is published.
What is Postmark's uptime over the last 90 days?
Postmark shows 100.00% uptime over the last 90 days, across 0 published incident(s).
How do I get notified automatically when Postmark goes down?
Create a free alert on Upstream Status: as soon as an incident is published on Postmark's status page, you get an email (or a Slack/webhook notification on a paid plan).