Question 1

Is Postmark currently down?

Accepted Answer

Postmark is currently Operational. CheckUpstream tracks Postmark in real-time across the official status page, RSS / Atom feeds, and community telemetry — refresh this page for the latest reading.

Question 2

When did Postmark last have an outage?

Accepted Answer

Postmark's last resolved incident started 6 days ago and lasted 2h 1m (a partial outage).

Question 3

What's Postmark's 30-day uptime?

Accepted Answer

Postmark's 30-day customer-perceived uptime is 99.981%. The figure is weighted (full-outage = 1.0, degraded = 0.3) so component blips don't collapse the score the way a raw incident-count would.

Question 4

How do I monitor Postmark in production?

Accepted Answer

Sign up to CheckUpstream and add Postmark to a watchlist. We send incident alerts via Slack, email, webhook, or PagerDuty within seconds of detection — covering both the official status page and community signals (HN, Reddit, Bluesky, Cloudflare Radar).

Question 5

How does CheckUpstream track Postmark?

Accepted Answer

We poll Postmark's official status page on a 1-5 minute cadence, parse its RSS / Atom feed as a fallback, ingest community signals from social platforms, and aggregate per-org SDK telemetry. Multiple sources reduce false positives versus any single feed alone.

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Frequently Asked Questions

Security Advisory: Axios NPM Package Supply Chain Compromise [CVE-2026-40175]

SMPT Sending Delays in the European Union

Postmark Website Maintenance

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System Maintenance

[Scheduled] Database Maintenance