Click and Open Tracking Degraded (US Regions)

Summary

Click and Open Tracking Degraded (US Regions)

This incident has been resolved.

• Started

  Aug 10, 2026 · 10:32 PM

• Resolved

  Aug 11, 2026 · 12:07 AM

• Duration

  1h 35m

• Severity

  Major

• ◐

  Investigating

  Aug 10 · 10:32 PM Mailgun

  We are currently experiencing a denial of service attack against our click and open tracking servers in our US regions. Remediation work is underway. Some requests may time out or fail at this time.

• ◆

  Identified

  Aug 10 · 10:32 PM Mailgun

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

• ◉

  Monitoring

  Aug 10 · 11:54 PM Mailgun

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

• ✓

  Resolved

  Aug 11 · 12:07 AM Mailgun

  This incident has been resolved.