Outage report · Partial outage
Mailjet outage on Sep 30, 2025
Delays in emails processing and general app.mailjet.com login issues
What happened
Mailjet reported a partial outage starting Sep 30, 2025, 10:21 UTC, affecting Mailjet App, Website (Mailjet.com), SEND API, REST API, Outgoing SMTP, Statistics Display. It was marked resolved at Sep 30, 2025, 18:05 UTC.
- The incident lasted 7h 44m from first report to resolution.
- It was the 2nd longest of 6 significant outages Mailjet reported in the 12 months up to it.
- Mailjet had reported 2 other partial or major outages in the 90 days before it.
- 4 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Mailjet
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.
What our independent monitoring saw
Our independent monitoring of Mailjet started after this incident, so this report is based on Mailjet's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Mailjet's overall reliability
Mailjet has a reliability score of 99.6/100, with 100% effective uptime and 1 incidents over the last 90 days.
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