Outage report · Major outage
Campaign Monitor outage on Jul 16, 2026
Customers are unable to login to accounts
What happened
Campaign Monitor reported a major outage starting Jul 16, 2026, 11:07 UTC. It was marked resolved at Jul 16, 2026, 12:16 UTC.
- The incident lasted 1h 9m from first report to resolution.
- Campaign Monitor had reported no other partial or major outages in the 90 days before it.
- 12 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Campaign Monitor
The application is now working normally and customers can now login without any issues. Any campaigns scheduled to send during the period the application was unavailable will now send. Unfortunately, Transactional emails that were triggered during this period won't have been sent and will need to be re-triggered. Our team has resolved the issue, and the application is now operating as normal. 
 We will continue to monitor the situation closely and will update the status page with any further information. Our engineering team continues to investigate the issue and is working to resolve it as quickly as possible. While the application is currently unavailable, this does not affect emails that have already been sent — links and images within those emails will continue to work as expected. It is not possible to login to Campaign Monitor at this time, our team are aware of the cause and are working to have this sorted as soon as possible.
What our independent monitoring saw
Our independent monitoring of Campaign Monitor started after this incident, so this report is based on Campaign Monitor's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Campaign Monitor's overall reliability
Campaign Monitor has a reliability score of 59.2/100, with 99.50% effective uptime and 1 incidents over the last 90 days.
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