Mailgun outage, July 2025: Partial Delay in Event Processing

Mailgun reported and resolved an incident: Partial Delay in Event Processing. It lasted 2.7 hours.

Resolved

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

What happened

Started
Resolved
Duration
2.7 hours
Impact
minor
Affected
Events & Logs
  1. Investigating
  2. Identified
  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 30 July 2025, 4:17 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. identified

    Customers using the events or logs APIs or viewing logs in the customer portal may see delays in some events appearing.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. monitoring

    We are continuing to monitor the system as delays resolve

  4. resolved

    This incident has been resolved.

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

  • Retry anything that failed during the 2.7 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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