Mailjet Outage History

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Pingoru has recorded 50 incidents for Mailjet: 2 in the last 12 months and 1 in the last 90 days.

Source: mailjet.statuspage.io

50incidents recorded
2last 12 months
1last 90 days
32 minutestypical duration
Incidents per month
012AprMayJunJulAugSepOct0
Share of hours with an open incident, any severity
0%50%100%AprMayJunJulAugSepOct0%
Pingoru began tracking Mailjet in April 2026, so earlier months are not shown. Hover a bar for its value.
Show as a table
MonthIncidentsHours with an open incident
April 202600 of 720 (0%)
May 202600 of 744 (0%)
June 202611 of 720 (0%)
July 202600 of 744 (0%)
August 202600 of 744 (0%)
September 202611 of 720 (0%)
October 202600 of 508 (0%)

Incidents, newest first

Notice September 4, 2026 Microsoft Incident Resulting in Delivery Issues to M365 31m

Started Sep 04, 2026, 12:23 PM UTC· resolved Sep 04, 2026, 12:55 PM UTC

  1. monitoring Sep 04, 2026, 12:23 PM UTC

    Starting around 08:00 UTC, Microsoft began experiencing an incident causing an increased volume of deferred emails across all M365 regions. The affected responses are returning "451 4.7.500 Server busy". Our teams are actively monitoring the situation. No other email providers are currently affected.

  2. resolved Sep 04, 2026, 12:55 PM UTC

    This incident has been resolved.

Read the full incident report →

Critical June 5, 2026 Support Ticket Creation Failures 31m Support

Started Jun 05, 2026, 10:01 AM UTC· resolved Jun 05, 2026, 10:33 AM UTC

  1. investigating Jun 05, 2026, 10:01 AM UTC

    We are currently investigating this issue.

  2. identified Jun 05, 2026, 10:25 AM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Jun 05, 2026, 10:26 AM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Jun 05, 2026, 10:33 AM UTC

    This incident has been resolved.

Read the full incident report →

Major October 14, 2025 Lag on Event API 14h 12m Event API

Started Oct 14, 2025, 01:30 PM UTC· resolved Oct 15, 2025, 03:42 AM UTC

  1. investigating Oct 14, 2025, 01:30 PM UTC

    Lag are identified we are investigating the issue

  2. identified Oct 14, 2025, 02:01 PM UTC

    The issue has been identified and our team is working on a fix.

  3. identified Oct 14, 2025, 03:52 PM UTC

    The fix is under review.

  4. identified Oct 14, 2025, 04:33 PM UTC

    The fix is now under testing.

  5. monitoring Oct 14, 2025, 06:57 PM UTC

    A fix has been implemented and we are monitoring the results.

  6. monitoring Oct 14, 2025, 08:13 PM UTC

    We'll be monitoring the situation throughout the night until 9am CET to ensure stable service delivery.

  7. monitoring Oct 15, 2025, 03:42 AM UTC

    We are continuing to monitor for any further issues.

  8. resolved Oct 15, 2025, 03:42 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor October 2, 2025 Latency and login issues with Mailjet Application 1h 16m Mailjet App

Started Oct 02, 2025, 09:24 AM UTC· resolved Oct 02, 2025, 10:40 AM UTC

  1. investigating Oct 02, 2025, 09:24 AM UTC

    We are currently investigating this issue.

  2. investigating Oct 02, 2025, 09:24 AM UTC

    We are continuing to investigate this issue.

  3. identified Oct 02, 2025, 09:40 AM UTC

    The issue has been identified and a fix is being implemented.

  4. monitoring Oct 02, 2025, 10:05 AM UTC

    A fix has been implemented and we are monitoring the results.

  5. resolved Oct 02, 2025, 10:40 AM UTC

    This incident has been resolved.

Read the full incident report →

Major September 30, 2025 Delays in emails processing and general app.mailjet.com login issues 7h 43m Mailjet App, Website (Mailjet.com), SEND API, REST API and 2 more

Started Sep 30, 2025, 10:21 AM UTC· resolved Sep 30, 2025, 06:05 PM UTC

  1. investigating Sep 30, 2025, 10:21 AM UTC

    We are currently investigating an issue impacting email processing along with app.mailjet.com login issues, reflecting into "wrong password" errors.

  2. investigating Sep 30, 2025, 10:36 AM UTC

    We are continuing to investigate this issue.

  3. identified Sep 30, 2025, 11:12 AM UTC

    We have identified the root cause of the issue. While we are working on getting this resolved, clients will experience inability to log into app.mailjet.com as well as experience email processing delays.

  4. identified Sep 30, 2025, 02:54 PM UTC

    We are continuing to work on a fix for this issue.

  5. identified Sep 30, 2025, 04:09 PM UTC

    We are continuing to work on a fix for this issue.

  6. monitoring Sep 30, 2025, 05:44 PM UTC

    A fix has been implemented and we are monitoring the results.

  7. resolved Sep 30, 2025, 06:05 PM UTC

    The incident has been resolved. Any missing statistics during the incident haven't been lost and will show up in the statistics page later today.

Read the full incident report →

Critical September 4, 2025 Login issues with Mailjet Application and Intermittent Errors on REST API 5h 35m Mailjet App, REST API, Form Builder, Mailjet Embedded

Started Sep 04, 2025, 06:54 AM UTC· resolved Sep 04, 2025, 12:30 PM UTC

  1. investigating Sep 04, 2025, 06:54 AM UTC

    We are currently investigating this issue.

  2. investigating Sep 04, 2025, 08:12 AM UTC

    We are continuing to investigate this issue.

  3. investigating Sep 04, 2025, 08:34 AM UTC

    We are continuing to investigate this issue.

  4. identified Sep 04, 2025, 08:55 AM UTC

    The issue has been identified and a fix is being implemented.

  5. identified Sep 04, 2025, 10:06 AM UTC

    We are continuing to work on a fix for this issue.

  6. identified Sep 04, 2025, 10:33 AM UTC

    We are continuing to work on a fix for this issue.

  7. monitoring Sep 04, 2025, 11:11 AM UTC

    A fix has been implemented and we are monitoring the results.

  8. resolved Sep 04, 2025, 12:30 PM UTC

    This incident has been resolved.

Read the full incident report →

Major July 6, 2025 Connection issues related to Event API 18m Event API

Started Jul 06, 2025, 09:07 AM UTC· resolved Jul 06, 2025, 09:26 AM UTC

  1. investigating Jul 06, 2025, 09:07 AM UTC

    Our team is currently investigating a potential issue impacting some customers on webhook connection.

  2. monitoring Jul 06, 2025, 09:11 AM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Jul 06, 2025, 09:26 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor January 31, 2025 Campaigns may experience getting queued and not sent 2h 26m Mailjet App

Started Jan 31, 2025, 11:39 AM UTC· resolved Jan 31, 2025, 02:05 PM UTC

  1. investigating Jan 31, 2025, 11:39 AM UTC

    We are currently investigating this issue.

  2. identified Jan 31, 2025, 12:09 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Jan 31, 2025, 01:46 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Jan 31, 2025, 02:05 PM UTC

    This incident has been resolved.

Read the full incident report →

Major October 23, 2024 Event sending issues related to Event API 3h 1m

Started Oct 23, 2024, 11:55 AM UTC· resolved Oct 23, 2024, 02:56 PM UTC

  1. investigating Oct 23, 2024, 11:55 AM UTC

    We are currently investigating issues with our Event API partially sending events.

  2. identified Oct 23, 2024, 01:30 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Oct 23, 2024, 01:32 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Oct 23, 2024, 02:56 PM UTC

    This incident has been resolved.

Read the full incident report →