Mailgun outage, August 2026: GCP Reporting Multi Service Outage in US-West1

Mailgun reported and resolved an incident: GCP Reporting Multi Service Outage in US-West1. It lasted 1.2 hours.

Resolved

From Mailgun's official status page, in their words.

What happened

Started
Resolved
Duration
1.2 hours
Impact
minor
Affected
Outbound Delivery, Events & Logs
  1. Investigating
  2. Identifiednot posted
  3. Monitoring
  4. Resolved

Why it happened

Mailgun has not given a cause in its updates. We never guess one.

How it was resolved

Mailgun marked it resolved at 21 Aug 2026, 3:31 am without a written explanation of the fix.

This incident on the Mailgun status page

Timeline

Oldest first, from the first notice to the resolution. From Mailgun's official status page, in their words.

  1. monitoring

    Mailgun is monitoring service impacts in GCP's us-west1 region. We are routing traffic away from impacted infrastructure. Currently we are seeing delays in log processing and a small number of message sends.

  2. monitoring

    Outbound delivery is operating normally. Currently there are delays for event logs and some webhooks.

  3. monitoring

    GCP has put a mitigation in place, we are monitoring the results. At this time we are experiencing no impacts. All delayed webhooks and logs have been processed.

  4. resolved

    This incident has been resolved.

What this means for a business (and what to check now)

  • Retry anything that failed during the 1.2 hours.
  • Enter any payments, bookings or jobs you took another way.
  • If a deadline fell inside the window, keep this page as your record of the outage.

The full guide: what to do when a service you rely on is down

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