Mailgun outage on March 19, 2026
Mar 19, 11:53 PDTResolved - A fix has been deployed and systems are back to normal.Mar 19, 11:43 PDTIdentified - Some requests may be incorrectly failing with 401 error codes in our US region.
Deterministic readout · awaiting AI summary pass
Incident detected
Minor confidence crossed the incident threshold for Elevated 401 errors in US Region.
Marked resolved
The incident was closed after 45 min of observed impact.
No per-source signal payloads were preserved in this incident's snapshot window.
Confidence scoring
25.00The incident reached 25.00 peak confidence across available stored status snapshots.
User reports
0 / 15mNo elevated user-report volume was preserved in the incident window snapshots.
Status samples
0 affectedThe incident row exists, but the bounded snapshot window does not include affected status samples.
Recovery signal
ResolvedRecovery was recorded at Thu, Mar 19, 2026, 07:38 PM UTC.
Mailgun users likely saw failed connections, degraded availability, or session instability for this Email API service. The incident reached Minor severity and lasted 45 min. The stored report window does not show a preserved user-report spike.