Mailgun outage history

Mailgun reported route delays impacting inbound email processing in the EU region. The incident began at Sep 14, 2026 9:17 AM UTC and users likely experienced delays in inbound email routing. A fix was implemented by 9:57 AM UTC and monitoring continued, with service returning to normal by 10:18 AM UTC.

In the EU region, Mailgun experienced a brief outage that impacted core Email Services components, including the API, SMTP, Outbound Delivery, Inbound email processing, Events & Logs, and Stats & Analytics. Users attempting to send or process email could have seen delays or failures as these components were temporarily unavailable. The incident began with an EU Messaging Outage and an investigation into the root cause, affecting email delivery and visibility across services.

Mailgun experienced delays in processing event logs in the US region, creating a backlog for Email Services / Events & Logs. Users relying on timely event data could see lagging visibility of delivery events and analytics as the backlog grew. The incident began at 2:47 PM UTC.

Mailgun’s EU datacenter experienced an outage that disrupted core email services in the region. Users attempting to send or receive email relied on Mailgun’s API or SMTP, and inbound/outbound delivery, events and logs, analytics, and access to the Control Panel were affected. Impact began around 8:40 PM UTC with multiple components showing disruption, including Email Services / API, Email Services / SMTP, Email Services / Inbound email processing, Email Services / Outbound Delivery, Email Services / Events & Logs, Email Services / Stats and Analytics, and Customer Tools / Control Panel.

Mailgun experienced degraded performance due to a Google Cloud Platform multi-service outage in the US-West1 region. The incident affected Email Services / Outbound Delivery and Email Services / Events & Logs, with outbound message delivery experiencing delays and log processing impacted as traffic was rerouted away from the affected infrastructure. The outage began at 4:22 PM UTC and persisted for roughly 50 minutes.

By 4:32 PM UTC, outbound delivery had returned to normal, but delays continued for event logs and some webhooks. The Events & Logs component was fully recovered by 5:12 PM UTC, marking full restoration of Mailgun services in US-West1.

Mailgun experienced degraded Click and Open Tracking within its Email Services / Events & Logs, impacting how interaction data was logged. The status page indicated a degradation and that a fix was being implemented. The incident began at 5:32 AM UTC and was resolved by 6:57 AM UTC, lasting a little over an hour as services returned to normal.

Mailgun experienced delays in inbound email processing in the EU region, affecting users' ability to receive messages in a timely manner. Inbound routing was degraded for a period as engineers identified the issue and worked on a fix; messages could be delayed or queued during the incident. The disruption began at 12:32 PM UTC and had a fix implemented with monitoring in progress by 1:22 PM UTC. The EU inbound processing returned to normal after the fix, with processing resumed by 1:52 PM UTC.

Users of Mailgun began experiencing intermittent 500 errors in the US Email Validation service and the Mailgun Control Panel becoming unavailable starting at 6:27 PM UTC. The disruption affected two key areas: Deliverability Services / Email Validation and Customer Tools / Control Panel, causing degraded validation performance and login difficulties for some users. The impact was centered on these components and appeared as a partial outage for a subset of users.

An outage affected Mailgun's Control Panel, making it unavailable for some users and impacting Deliverability Services / Email Validation workflows. The incident began at 6:12 PM UTC, with status updates indicating a fix was being implemented.

A fix was rolled out to impacted regions, and by 8:02 PM UTC both the Control Panel and Email Validation services were back online. The disruption appeared to be a partial outage affecting admin access rather than a global service halt.

Mailgun experienced a brief disruption in the Email Previews component, with previews not rendering while outbound/inbound processing, logs, and webhook delivery remained operational. The issue began at 7:22 PM UTC and affected users attempting to view email previews; there were no reported impacts to core mail flow.

Status updates show the issue progressing from investigation to identification, with a fix being implemented, and the Email Previews component returning to normal by 8:27 PM UTC. The impact was confined to preview generation and appears to have been resolved within about an hour on a global basis.