Outage in Mailchimp
Delayed Deliveries via Mandrill
Resolved Minor
September 15, 2026 - Started about 16 hours ago
- Lasted about 4 hours
Incident Report
Summary AI Generated
Mailchimp's Mandrill service experienced delayed email deliveries affecting a subset of customers for approximately 4.5 hours. The Engineering team investigated and resolved the issue. No broader Mailchimp services were impacted beyond Mandrill's sending functionality.
We are currently aware of and investigating an issue affecting a subset of customers with delayed deliveries while sending through Mandrill. Our Engineering team is working on a resolution and we will provide further updates as they become available.
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