Mailchimp Outage History

Mailchimp experienced an issue where email campaigns became stuck in a partially sending state, preventing complete delivery to subscriber lists. The engineering team investigated and resolved the problem after 2 hours. This was classified as a minor service disruption affecting campaign delivery functionality.

Mailchimp experienced a major incident where email campaigns appeared to be sending in the system but were not actually being delivered to recipients. The issue affected campaign delivery functionality for 18.6 hours. The engineering team investigated and resolved the problem that was preventing campaigns from sending despite showing a sending status.

Mailchimp experienced a major service incident where email campaigns became stuck in "Preparing" or "Sending" status, preventing users from successfully sending their email campaigns. The issue affected campaign delivery functionality across the platform. The incident was resolved by the engineering team after 56 minutes.

Mailchimp performed application maintenance that caused slower loading times for users. The maintenance was actively monitored by engineers and lasted 2.7 hours. Performance was fully restored once the maintenance was completed.

Mailchimp experienced a major incident affecting Segments and Audience data functionality. The engineering team actively worked to resolve the segmentation issues that impacted users' ability to access and manage their audience data. The incident was resolved after 1.9 hours.