Outage in Courier
Slack Deliverability Issues
Resolved MinorIncident Report
Summary AI Generated
Slack experienced messaging and app degradation issues that impacted the deliverability of Slack messages through the Courier service. This was a downstream provider issue affecting Slack's platform directly. The incident was resolved after 10 minutes of monitoring.
Slack has reported messaging, and app degredation on their platform that could be impacting deliverability of Slack messages. This is a downstream provider issue and can be monitored on Slack's statuspage: https://slack-status.com/
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Latest Updates ( sorted recent to last )
RESOLVED
22 days ago - at 05/27/2026 11:16PM
Please continue to monitor Slack's statuspage for any updates related to message deliverability: https://slack-status.com/
MONITORING
22 days ago - at 05/27/2026 11:06PM
Slack has reported messaging, and app degredation on their platform that could be impacting deliverability of Slack messages. This is a downstream provider issue and can be monitored on Slack's statuspage: https://slack-status.com/
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