Delayed sending in EU

What to do

• Check whether you use Mailgun API, Outbound Delivery in eu. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 3h 37m it lasted.

  Anything that failed between 2026-05-25 12:18 UTC and 2026-05-25 15:55 UTC may need a replay.

• Subscribe to Mailgun's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=mailgun works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Mailgun 10

1. investigatingMay 25, 2026, 12:18 PM UTC

   We are currently investigating this issue.

   provider

2. investigatingMay 25, 2026, 12:48 PM UTC

   We are continuing to investigate this issue.

   provider

3. investigatingMay 25, 2026, 12:59 PM UTC

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

   provider

4. monitoringMay 25, 2026, 1:00 PM UTC

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

   provider

5. investigatingMay 25, 2026, 1:38 PM UTC

   We are currently investigating this issue.

   provider

6. investigatingMay 25, 2026, 2:10 PM UTC

   We are continuing to investigate this issue.

   provider

7. identifiedMay 25, 2026, 2:46 PM UTC

   The issue has been identified and a fix is being implemented.

   provider

8. identifiedMay 25, 2026, 3:35 PM UTC

   We are continuing to work on a fix for this issue.

   provider

9. monitoringMay 25, 2026, 3:45 PM UTC

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

   provider

10. resolvedMay 25, 2026, 3:55 PM UTC

    This incident has been resolved.

    provider

Corrections

None so far.

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