Mailgun Outage History

50 incidents reported. Data sourced from the official Mailgun status page.

50
Total Incidents
13
Major/Critical
28
Minor
50
Resolved

November 2025

Delayed Logs in EU Region

minor
Nov 29, 08:38 AMNov 29, 09:56 AMresolved
Nov 29, 09:56 AM
resolvedThis incident has been resolved.
Nov 29, 09:02 AM
identifiedLogs are currently experiencing delays of 20 minutes in Mailgun's EU region. Outbound processing, inbound processing, and webhook delivery are operating normally.
Nov 29, 08:38 AM
identifiedLogs are currently experiencing delays of 15 minutes in Mailgun's EU region. Outbound processing, inbound processing, and webhook delivery are operating normally.

Delayed Logs in EU Region

minor
Nov 28, 08:28 AMNov 28, 07:14 PMresolved
Nov 28, 07:14 PM
resolvedAll systems are operating normally.
Nov 28, 06:54 PM
monitoringEvents are processing normally without delay. We will continue to monitor the performance of the logging system.
Nov 28, 06:26 PM
monitoringLogs are currently delayed by 20 minutes due to elevated sending volumes. Outbound sending, inbound messages, and webhooks are not impacted.
+26 more updates

Delayed Logs in US Region

minor
Nov 28, 04:30 PMNov 28, 05:56 PMresolved
Nov 28, 05:56 PM
resolvedEvents are processing normally.
Nov 28, 05:19 PM
monitoringEvents are processing normally, we continue to monitor as we see elevated send volumes.
Nov 28, 04:30 PM
identifiedLogs are currently experiencing delays of 15 minutes in Mailgun's US region. Outbound processing, inbound processing, and webhook delivery are operating normally.

Delayed Logs in EU Region

minor
Nov 27, 08:46 AMNov 27, 11:07 AMresolved
Nov 27, 11:07 AM
resolvedThis incident has been resolved.
Nov 27, 10:49 AM
monitoringWe continue to monitor while the system processes delayed events.
Nov 27, 10:21 AM
monitoringA fix has been implemented and we are monitoring the results. The system continues to work through the delayed logging events backlog.
+4 more updates

Elevated inbound recipient rejected

none
Nov 13, 10:30 AMNov 13, 10:30 AMresolved
Nov 18, 01:31 PM
resolvedOn November 13th, Mailgun incorrectly rejected a subset of inbound emails with a 550 "recipient rejected" error. Senders received bounce notifications even though delivery should have succeeded. Affe...

October 2025

Delayed Message Processing in US

minor
Oct 24, 02:14 PMOct 24, 03:58 PMresolved
Oct 24, 03:58 PM
resolvedThis incident has been resolved.
Oct 24, 03:40 PM
monitoringOperations are back to normal and queues are cleared. We'll continue to monitor.
Oct 24, 02:47 PM
monitoringQueues are being worked through, we continue to monitor resolution.
+1 more updates

US Email Ingest Errors

minor
Oct 8, 01:00 PMOct 8, 01:00 PMresolved
Oct 8, 03:00 PM
resolvedBetween 12:55 UTC and 13:07 UTC, customers may have experienced email sending failures in the US region. A deployment of new code caused our sending pipeline to temporarily reject some email submissio...

September 2025

Login issues with Mailgun Application

minor
Sep 30, 10:57 AMSep 30, 12:13 PMresolved
Sep 30, 12:13 PM
resolvedThis incident has been resolved.
Sep 30, 11:46 AM
monitoringWe are continuing to monitor for any further issues.
Sep 30, 11:46 AM
monitoringA fix has been implemented and we are monitoring the results.
+2 more updates

Sending errors in US

major
Sep 12, 10:07 AMSep 12, 03:21 PMresolved
Sep 12, 03:21 PM
resolvedAll systems are operating normally at this time. Our engineers continue to monitor our systems for any recurrence or new issues.
Sep 12, 02:48 PM
monitoringSystems have normalized, we are continuing to monitor for any issues.
Sep 12, 01:57 PM
monitoringA fix has been implemented and we are monitoring the results.
+7 more updates

Message Delays in US Region

minor
Sep 12, 06:26 AMSep 12, 08:25 AMresolved
Sep 12, 08:25 AM
resolvedThis incident has been resolved.
Sep 12, 07:29 AM
monitoringA fix has been implemented and we are monitoring the results.
Sep 12, 06:26 AM
investigatingWe are currently investigating this issue.

Email Validation 500s

major
Sep 11, 10:56 PMSep 12, 02:19 AMresolved
Sep 12, 02:19 AM
resolvedThis incident has been resolved.
Sep 12, 02:07 AM
monitoringWe are continuing to monitor for any further issues.
Sep 12, 02:07 AM
monitoringA fix has been implemented and we are monitoring the results.
+3 more updates

EU email delivery latency

minor
Sep 1, 04:23 PMSep 1, 05:11 PMresolved
Sep 1, 05:11 PM
resolvedThis incident has been resolved.
Sep 1, 04:53 PM
monitoringQueues are being worked through. Normal email delivery times will resume shortly. In addition to delayed email delivery, these other parts of our system saw increased processing time as well: inbound ...
Sep 1, 04:38 PM
monitoringA fix has been implemented and we are monitoring the results.
+4 more updates

August 2025

US email delivery latency

minor
Aug 20, 04:20 PMAug 20, 05:14 PMresolved
Aug 20, 05:14 PM
resolvedThis incident has been resolved.
Aug 20, 04:27 PM
monitoringServices are fully operational.
Aug 20, 04:20 PM
monitoringEmail's from our us-east region may have experienced longer delivery time between 16:00 UTC and 16:20 UTC. The issue is resolved and we are monitoring.

July 2025

Partial Delay in Event Processing

minor
Jul 29, 03:37 PMJul 29, 06:17 PMresolved
Jul 29, 06:17 PM
resolvedThis incident has been resolved.
Jul 29, 05:54 PM
monitoringWe are continuing to monitor the system as delays resolve
Jul 29, 03:45 PM
monitoringA fix has been implemented and we are monitoring the results.
+1 more updates

HTTPS Tracking Certificate Creation / Renewal blocked by Let's Encrypt Outage

minor
Jul 21, 11:56 PMJul 22, 11:33 AMresolved
Jul 22, 11:33 AM
resolvedThis incident has been resolved.
Jul 22, 05:22 AM
monitoringThe current status of Let's Encrypt infrastucture is "[Identified] We have deployed mitigations for the failure of our internal DNS servers. Issuance of certificates is now succeeding, though we are s...
Jul 21, 11:56 PM
identifiedLet's Encrypt, the certificate issuer used for creating certificates on customer tracking domains is experiencing an outage (https://letsencrypt.status.io/). Attempting to generate or regenerate a tra...

May 2025

Degraded performance

minor
May 19, 09:27 PMMay 19, 10:28 PMresolved
May 19, 10:28 PM
resolvedThis incident has been resolved.
May 19, 09:48 PM
monitoringA fix has been implemented and we are monitoring the results.
May 19, 09:33 PM
identifiedWe have identified an issue with one of our datastores and are attempting to implement a fix.
+1 more updates

Intermittent API Errors

critical
May 14, 06:38 PMMay 14, 10:18 PMresolved
May 14, 10:18 PM
resolvedThis incident has been resolved.
May 14, 10:03 PM
monitoringA fix has been deployed and we are monitoring.
May 14, 09:32 PM
identifiedWe identified a routing issue in our internal service mesh. We are attempting to roll out a fix.
+5 more updates

March 2025

Errors connecting to smtp.eu.mailgun.org

major
Mar 17, 09:20 AMMar 17, 07:44 PMresolved
Mar 17, 07:44 PM
resolvedThis incident has been resolved.
Mar 17, 06:43 PM
monitoringWe are continuing to monitor for any further issues.
Mar 17, 03:02 PM
monitoringA mitigation has been put in place and SMTP / Inbound email processing in our EU region is back to full working behavior.
+5 more updates

February 2025

Intermittent Log and Event API Errors

minor
Feb 10, 05:23 PMFeb 10, 07:22 PMresolved
Feb 10, 07:22 PM
resolvedThis incident has been resolved.
Feb 10, 07:20 PM
monitoringA fix has been implemented and we are monitoring the results.
Feb 10, 07:19 PM
monitoringA fix has been implemented and we are monitoring the results.
+1 more updates

November 2024

Login Errors

minor
Nov 14, 11:58 PMNov 15, 12:28 AMresolved
Nov 15, 12:28 AM
resolvedThis incident has been resolved.
Nov 15, 12:26 AM
investigatingOur team has resolved the login issue.
Nov 14, 11:58 PM
investigatingOur team is investigating reports of Login issues for a subset of administrative accounts

October 2024

Europe - Email Delivery Latency

minor
Oct 17, 12:12 PMOct 17, 08:41 PMresolved
Oct 17, 08:41 PM
resolvedThis incident has been resolved.
Oct 17, 08:02 PM
monitoringA fix has been implemented and traffic is sending through these networks. We are monitoring the resolution.
Oct 17, 07:15 PM
identifiedWe are continuing to work with our network provider to bring this range online.
+5 more updates

September 2024

US Region(s): Elevated SMTP Connection Latency / Timeouts

minor
Sep 30, 08:47 PMOct 1, 12:29 AMresolved
Oct 1, 12:29 AM
resolvedThis incident has been resolved.
Sep 30, 11:38 PM
monitoringA fix has been implemented and we are monitoring the results.
Sep 30, 08:47 PM
investigatingWe are currently experiencing elevated timeouts when sending email via SMTP in US regions. Investigation is underway.

August 2024

US Email Delivery Issue

none
Aug 20, 07:00 PMAug 20, 07:00 PMresolved
Aug 21, 12:03 PM
resolvedOn August 20th, 2024, between 18:45 - 22:45 UTC, emails submitted to our US region experienced a small chance of delivery failure. Please review your email Events for "602 Too old message" errors to i...

Intermittent errors for login.mailgun.com and app.mailgun.com

major
Aug 17, 05:35 PMAug 17, 05:57 PMresolved
Aug 17, 05:57 PM
resolvedThis incident has been resolved.
Aug 17, 05:55 PM
monitoringWe are continuing to monitor for any further issues.
Aug 17, 05:52 PM
monitoringA fix has been implemented and we are monitoring the results.
+2 more updates

July 2024

Delayed Logs in EU Region

minor
Jul 19, 11:03 AMJul 19, 04:24 PMresolved
Jul 19, 04:24 PM
resolvedThis incident has been resolved.
Jul 19, 02:35 PM
monitoringData is continuing to be backfilled. We are monitoring the process.
Jul 19, 01:22 PM
monitoringWe are monitoring the backfill process for log data.
+3 more updates

SSL Connection Errors for SMTP (eu.mailgun.org)

major
Jul 11, 03:46 PMJul 11, 03:59 PMresolved
Jul 11, 03:59 PM
resolvedThis incident has been resolved.
Jul 11, 03:54 PM
monitoringA fix has been implemented and we are monitoring the results.
Jul 11, 03:46 PM
identifiedThe issue has been identified and a fix is being implemented.

Customer Portal Intermittently not Loading

major
Jul 1, 04:57 PMJul 1, 05:18 PMresolved
Jul 1, 05:18 PM
resolvedThis incident has been resolved.
Jul 1, 05:08 PM
monitoringWe have identified the issue and are monitoring the resolution.
Jul 1, 04:57 PM
investigatingThe customer portal is loading intermittently, we are investigating the issue at this time.

May 2024

Login & Sending Issues

critical
May 31, 08:10 AMMay 31, 10:22 AMresolved
May 31, 10:22 AM
resolvedThis incident has been resolved.
May 31, 08:50 AM
monitoringWe are continuing to monitor for any further issues.
May 31, 08:30 AM
monitoringA fix has been implemented and we are monitoring the results.
+2 more updates

Login & Sending Issues

none
May 27, 01:29 PMMay 27, 06:28 PMresolved
May 27, 06:28 PM
resolvedThis incident has been resolved.
May 27, 06:28 PM
monitoringWe are continuing to monitor for any further issues.
May 27, 06:05 PM
monitoringWe are continuing to monitor for any further issues.
+10 more updates

Login issues

major
May 2, 06:41 AMMay 2, 08:01 AMresolved
May 2, 08:01 AM
resolvedThis incident has been resolved.
May 2, 07:50 AM
monitoringA fix has been implemented and we are monitoring the results.
May 2, 07:18 AM
identifiedThe issue has been identified and a fix is being implemented.
+1 more updates

March 2024

US Logs & Events API Issues

minor
Mar 27, 11:52 AMMar 28, 03:37 AMresolved
Mar 28, 03:37 AM
resolvedThe data back fill process will complete shortly.
Mar 27, 09:27 PM
monitoringThe work on restoring the missing data from 00:00 -> 1:40 UTC continues. We are continuing to monitor the back fill process.
Mar 27, 07:04 PM
monitoringThe work on restoring the missing data from 00:00 -> 1:40 UTC is well underway. We continue to monitor the backfill process.
+5 more updates

February 2024

Intermittent errors from stats endpoints

major
Feb 22, 09:02 PMFeb 22, 09:50 PMresolved
Feb 22, 09:50 PM
resolvedThis incident has been resolved.
Feb 22, 09:14 PM
monitoringA fix has been implemented and we are monitoring the results.
Feb 22, 09:02 PM
identifiedThe issue has been identified and a fix is being implemented.

Intermittent Connection Timeouts SMTP and HTTP(s) in US.

minor
Feb 22, 04:36 PMFeb 22, 06:34 PMresolved
Feb 22, 06:34 PM
resolvedThis incident has been resolved.
Feb 22, 05:41 PM
monitoringA fix has been implemented and we are monitoring the results.
Feb 22, 04:36 PM
identifiedWe are continuing to work on a fix for this issue.
+1 more updates

Intermittent errors from stats endpoints

major
Feb 15, 08:55 PMFeb 15, 09:44 PMresolved
Feb 15, 09:44 PM
resolvedThis incident has been resolved.
Feb 15, 09:25 PM
monitoringA fix has been implemented and we are monitoring the results.
Feb 15, 08:55 PM
identifiedThe issue has been identified and a fix is being implemented.
+1 more updates

Login Issues to Mailgun and intermittent connection issues to api.mailgun.net

major
Feb 12, 09:06 AMFeb 13, 04:01 PMresolved
Feb 13, 04:01 PM
resolvedThis incident has been resolved.
Feb 13, 01:40 PM
monitoringWe are continuing to monitor our systems. All impacts of this attack have been mitigated at this time.
Feb 13, 01:50 AM
monitoringA mitigation has been put in place to restore the functionality of our login page. We are continuing to monitor the DDOS attack.
+6 more updates

Log events may be delayed for some customers.

minor
Feb 8, 08:40 PMFeb 9, 12:31 AMresolved
Feb 9, 12:31 AM
resolvedThis incident has been resolved.
Feb 8, 11:27 PM
monitoringDelay continues to decrease, we are monitoring the recovery at this time.
Feb 8, 10:24 PM
monitoringWe are monitoring our system as the delay resolves.
+2 more updates

Intermittent connection issues to api.eu.mailgun.net

major
Feb 6, 05:16 PMFeb 6, 05:52 PMresolved
Feb 6, 05:52 PM
resolvedThis incident has been resolved.
Feb 6, 05:37 PM
monitoringA fix has been implemented and we are monitoring the results.
Feb 6, 05:16 PM
investigatingWe are currently investigating this issue.

November 2023

Intermittent Errors Mailgun Control Panel

none
Nov 21, 06:50 PMNov 21, 07:31 PMresolved
Nov 21, 07:31 PM
resolvedThis incident has been resolved.
Nov 21, 07:09 PM
monitoringA fix has been implemented and we are monitoring the results.
Nov 21, 07:03 PM
identifiedThe issue has been identified and a fix is being implemented.
+1 more updates

EU message delivery failures

minor
Nov 1, 12:49 AMNov 1, 02:49 AMresolved
Nov 1, 02:49 AM
resolvedThis incident has been resolved.
Nov 1, 02:31 AM
monitoringWe are continuing to monitor for any further issues.
Nov 1, 02:31 AM
monitoringThe issue has been addressed. Monitoring continues.
+2 more updates

October 2023

Control Panel Intermittently Unavailable

none
Oct 19, 05:09 PMOct 19, 06:12 PMresolved
Oct 19, 06:12 PM
resolvedThis incident has been resolved.
Oct 19, 05:51 PM
monitoringA fix has been implemented and we are monitoring the results.
Oct 19, 05:39 PM
identifiedThe issue has been identified and a fix is being implemented.
+1 more updates

HTTPs Tracking Outage

none
Oct 7, 05:30 AMOct 7, 05:30 AMresolved
Oct 9, 01:54 PM
resolvedTracking events for domains using HTTPs tracking were not processed due to an outage.

Delayed Sending in US Region

none
Oct 3, 05:16 PMOct 4, 02:30 AMresolved
Oct 3, 05:16 PM
resolvedThis incident has been resolved.

September 2023

Sending Delays in US region

none
Sep 5, 12:16 PMSep 5, 01:13 PMresolved
Sep 5, 01:13 PM
resolvedThis incident has been resolved.
Sep 5, 01:13 PM
monitoringWe are continuing to monitor for any further issues.
Sep 5, 01:03 PM
monitoringA fix has been implemented and we are monitoring the results.
+1 more updates

August 2023

Increased errors on /message API

none
Aug 29, 04:08 PMAug 29, 04:35 PMresolved
Aug 29, 04:35 PM
resolvedThis incident has been resolved.
Aug 29, 04:08 PM
monitoringYou may have experienced elevated 404s on our message endpoint in the US region. The issue has been identified and a fix has been put in place.

July 2023

Delays in EU transactional email delivery time

minor
Jul 27, 03:32 PMJul 27, 04:43 PMresolved
Jul 27, 04:43 PM
resolvedThis incident has been resolved.
Jul 27, 04:07 PM
monitoringDelivery time for EU transactional emails is back to normal. We continue to monitor.
Jul 27, 03:32 PM
investigatingWe are currently experiencing delays delivering transactional emails in our EU region. Investigation is ongoing.

EU region inbound route processing delays

minor
Jul 25, 05:02 PMJul 25, 06:53 PMresolved
Jul 25, 06:53 PM
resolvedThis incident has been resolved.
Jul 25, 06:41 PM
monitoringA fix has been implemented and we are monitoring the results.
Jul 25, 06:28 PM
investigatingWe are continuing to investigate the issue.
+1 more updates

June 2023

Intermittent Login Issues

minor
Jun 1, 06:22 PMJun 2, 12:48 AMresolved
Jun 2, 12:48 AM
resolvedThis incident has been resolved.
Jun 1, 10:20 PM
monitoringA fix has been implemented. We continue to monitor.
Jun 1, 08:03 PM
identifiedWe continue to investigate a fix.
+1 more updates

May 2023

Intermittent Login Issues

minor
May 31, 03:13 PMMay 31, 04:44 PMresolved
May 31, 04:44 PM
resolvedThis incident has been resolved.
May 31, 03:58 PM
monitoringA fix has been implemented and we are monitoring the resolution.
May 31, 03:13 PM
investigatingWe are currently investigating intermittent issues logging into the Mailgun control panel.

Intermittent Login Errors

minor
May 3, 08:51 PMMay 3, 10:17 PMresolved
May 3, 10:17 PM
resolvedThis incident has been resolved.
May 3, 09:20 PM
identifiedWe have identified the cause of intermittent errors when logging into or navigating the Control Panel and are working on a fix.
May 3, 08:51 PM
investigatingWe are currently investigating intermittent errors when logging into or navigating the Control Panel.

February 2023

Intermittent connection issues

minor
Feb 21, 03:31 PMFeb 28, 05:20 PMresolved
Feb 28, 05:20 PM
resolvedThis incident has been resolved.
Feb 27, 06:07 PM
monitoringWe continue to closely monitor traffic and are prepared to make additional proactive and reactive infrastructure changes as required.
Feb 25, 02:38 AM
monitoringWe have completed a series of successful infrastructure changes and will monitor traffic closely over the weekend. Unless there is another major development, our next update will be on Monday.
+15 more updates

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