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Mailgun Outage History

Daily provider-status observations and published incident history for Mailgun.

Operational

Mailgun is operational. Verified . Official provider source.

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91.2% of 57 verified observed days had no reported provider issue

90-Day Trend

Jul 23Oct 20

Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.

Monthly Status Summary

Month Issue-free days Days Tracked Days with issues
September 2026 90% 30 3

This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.

Recorded Daily Status (Last 91 Days)

Jul 22 Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

September 2026
Route delays in EU Region
minor Observed active window 43m

View incident details and source

Started:

Inbound email processing
monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating this issue.
Route delays in EU Region
minor Observed active window 59m

View incident details and source

Started:

Inbound email processing
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently investigating this issue.
EU Messaging Outage
critical Observed active window 18m

View incident details and source

Started:

API SMTP Outbound Delivery Inbound email processing Events & Logs Stats and Analytics
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently investigating this issue.
August 2026
Event Log Delays in US Region
minor Observed active window 7h 17m

View incident details and source

Started:

Events & Logs
identified
The event processing backlog is steadily decreasing, and we’re continuing to monitor the recovery. We expect all delays to be resolved within the hour.
identified
The event processing backlog is steadily decreasing, and we’re continuing to monitor the recovery.
identified
The event processing backlog is steadily decreasing, and we’re continuing to monitor the recovery. We expect all delays to be resolved in the next 2 hours.
identified
The event processing backlog is steadily decreasing, and we’re continuing to monitor the recovery.
identified
The delays in event processing are reducing. We expect all delays to be resolved in the next 3 hours.
identified
We are putting a fix in place for this issue. There is significant backlogs of event logs to process. We update the expected time of resolution when available.
identified
We are continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
We are continuing to work on a fix for this issue.
identified
We are currently experiencing delays in event log processing in our US region.
EU Messaging Outage
critical Observed active window 41m

View incident details and source

Started:

API Control Panel SMTP Outbound Delivery Inbound email processing Events & Logs Stats and Analytics
monitoring
A fix has been implemented and we are monitoring the results.
identified
We have identified the issue and working on restoring service.
investigating
We are currently investigating an outage in our EU datacenter

Legacy Incident Archive

17 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.

June 2026
Delayed logs in US region
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
Logs are flowing normally and engineers continue to monitor.
investigating
We are continuing to investigate this issue. Outbound processing, inbound processing, and webhook delivery continue to operate normally.
investigating
We are continuing to investigate this issue.
investigating
Logs are currently experiencing delays of 15 minutes in Mailgun's US region. Outbound processing, inbound processing, and webhook delivery are operating normally.
May 2026
Delayed sending in EU
critical Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
We are continuing to work on a fix for this issue.
identified
The issue has been identified and a fix is being implemented.
investigating
We are continuing to investigate this issue.
investigating
We are currently investigating this issue.
monitoring
A fix has been implemented and we are monitoring the results.
investigating
A fix has been implemented and we are monitoring the results.
investigating
We are continuing to investigate this issue.
investigating
We are currently investigating this issue.
Automatic Sender Security Records Not Provisioning
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
We are continuing to work on a fix for this issue.
identified
Customers creating domains with Automatic Sender Security may have CNAME records with no corresponding TXT records reflecting DKIM keys. A fix for this issue is being prepared.
April 2026
Elevated Timeouts for Validations
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We are continuing to monitor for any further issues.
monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
TLS Certificate Validation Errors for Clients Without SNI
major Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating an issue where customers making HTTPS requests to our API without Server Name Indication (SNI) enabled are being presented with an expired SSL/TLS certificate. This results in certificate validation failures for affected clients.
March 2026
Elevated 401 errors in US Region
major Source not attested
Last archived state: resolved
View archived record details
identified
Some requests may be incorrectly failing with 401 error codes in our US region.
Intermittent API Errors in US Region
major Source not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
We are continuing to investigate this issue.
investigating
We are currently investigating this issue.