Mailchimp Outage History

Mailchimp experienced contact count discrepancies affecting the Audience Analytics and Home Page displays for 3.5 hours. The actual contact table data remained accurate and unaffected during the incident. The engineering team resolved the display issue that was causing incorrect contact counts to appear in the analytics and dashboard views.

Mailchimp experienced an issue where email campaigns became stuck in a sending state and were unable to complete delivery. This minor incident affected users' ability to successfully send their email campaigns to recipients. The engineering team resolved the problem after 1.7 hours of investigation and remediation work.

Mailchimp experienced issues with the Segmenting feature in the Audience Segment builder and Email Campaign/SMS builders for 2 hours. The problem also affected scheduled campaigns. The engineering team investigated and resolved the segmentation functionality issues.

Mailchimp experienced an issue where data exports were getting stuck or failing to complete entirely. This affected users' ability to export their data from the platform. The engineering team resolved the issue after 24.5 hours of investigation and remediation work.

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.

Mailchimp experienced a major incident with their eepUrl shortening service that lasted 2 hours. The issue prevented shortened links from working properly, affecting email campaign link functionality. The engineering team resolved the problem, with users advised to use full campaign links as a workaround during the outage.

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.