Outage in Mailchimp
Segmenting and Campaign Builder Checklist Issues
Resolved Minor
April 28, 2026 - Started 13 days ago
- Lasted 3 days
Incident Report
Summary AI Generated
Mailchimp experienced issues with their Segmenting feature that caused campaign sending to fail, along with problems in the Campaign Builder Checklist functionality. The service disruption lasted approximately 73 hours and was classified as a minor incident. Mailchimp identified the root cause and worked on implementing a resolution during this period.
We've identified the source of the issue causing Segmenting to fail when sending Campaigns and are still working on a resolution. Thank you for your continued patience while we resolve this matter.
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