Mailgun Outage History

Mailgun reported a regional incident in the US where outbound email delivery was delayed, impacting users sending messages through the Email Services / Outbound Delivery component. The issue began at Sep 12, 2025 6:27 AM UTC and was resolved by Sep 12, 2025 8:28 AM UTC, lasting about 2 hours. The provider issued two status updates during the incident, confirming investigation and subsequent restoration of service. The impact appeared localized to the US region with no widespread outages reported.

Mailgun's Deliverability Services / Email Validation experienced HTTP 500 errors beginning at Sep 11, 2025 10:57 PM UTC, affecting login and mail sending for users. The issue impacted the Email Validation component and persisted for about 3 hours and 15 minutes, with service restored by Sep 12, 2025 2:12 AM UTC. Mailgun issued two status updates during the incident: the first noting an investigation into the Email Validation failures and the second confirming restoration. User reports came from multiple regions including North America, Europe, and Australia, describing login failures and inability to send mail.

The Mailgun EU region experienced degraded email delivery performance for approximately 30 minutes, affecting outbound delivery, inbound email processing, and event/log tracking. Users in the EU may have seen delays in sending emails, receiving messages, or recording events during the incident. The outage began at 4:27 PM UTC and was resolved by 4:57 PM UTC. The provider issued multiple updates as they investigated and implemented a fix.

Mailgun experienced degraded outbound email delivery in the US East region, with email delivery times longer than normal between Aug 20, 2025 4:00 PM UTC and Aug 20, 2025 4:20 PM UTC. The impact was limited to outbound email delivery in the US East, and recipients may have seen delays during the window. The disruption lasted about 20 minutes before services returned to normal.

Mailgun reported a partial delay in Event Processing within the Email Services / Events & Logs component. Some events may have appeared late or not at all in the events/logs APIs and in the customer portal. The incident began at 3:37 PM UTC and was resolved by 6:17 PM UTC, lasting about 2 hours and 40 minutes. The status transitioned from up to warn and back to up as the issue was addressed.

Mailgun experienced degraded performance across multiple email services. Users reported login failures and the inability to send emails due to API errors, with issues spanning 10 components including API, SMTP, Outbound Delivery, Stats and Analytics, Inbox Placement, Spam Trap Network, Inbound email processing, Events & Logs, Email Validation, and Email Previews. Early Warning Signal indicated problems began at 9:04 PM UTC and user-reported issues continued until 9:34 PM UTC.

The Mailgun status page acknowledged a degraded performance at May 19, 2025 9:27 PM UTC and issued two updates before restoring normal service by 9:53 PM UTC. StatusGator detected the issue at May 19, 2025 9:04 PM UTC, about 23 minutes before official acknowledgment. The outage lasted roughly 26 minutes of degraded service, affecting email sending during that window.

The Mailgun outage began at May 14, 2025 6:42 PM UTC when Deliverability Services / Email Validation went down, triggering intermittent issues across Email Services / API and Email Services / SMTP, with Customer Tools / Control Panel showing warnings as the incident progressed. The outage lasted about 3 hours and 25 minutes and was resolved by May 14, 2025 10:07 PM UTC. Over the course of the incident, five official status updates were posted detailing the investigation and restoration, and four components were affected: Email Validation, API, SMTP, and Control Panel.

During the outage, users reported login problems and API errors; for example, a user in Florissant, Missouri reported being unable to log in. The status page's updates described intermittent errors and ongoing investigation, culminating in restoration to up for all affected components by the end of the incident.

Mailgun experienced a short outage affecting login service and email delivery. Users worldwide reported login failures and emails not sending, with the incident beginning at 5:58 PM UTC and ending at 6:34 PM UTC. The disruption appeared global, with reports from multiple regions indicating widespread impact for roughly 36 minutes.

Mailgun experienced a widespread disruption to its smtp.eu.mailgun.org SMTP endpoint, causing connection errors, timeouts, and server overload messages that degraded or blocked outbound email delivery and inbound processing. The issue affected multiple Mailgun components, including the Email API, SMTP, Outbound Delivery, and Inbound Email Processing, with users reporting impact across Europe and other regions. The incident began with an Early Warning Signal at Mar 17, 2025 8:29 AM UTC and was officially acknowledged starting at Mar 17, 2025 9:22 AM UTC. The outage persisted for several hours, with a staged recovery as components returned to normal, culminating in full restoration by Mar 17, 2025 3:02 PM UTC.

The Mailgun Email Services / Events & Logs component experienced intermittent errors affecting log processing and event tracking. The issue began at Feb 10, 2025 5:27 PM UTC and was resolved by Feb 10, 2025 7:22 PM UTC, lasting about 1 hour and 55 minutes. Users relying on real-time logs and event data may have seen delays or inconsistencies during the incident. The problem was isolated to the Email Services / Events & Logs component and did not reflect a broader regional outage.

The Mailgun status page posted two updates during the incident: first noting investigation into degraded performance in logs and event APIs, and later confirming restoration of the affected services.