Outage in Substack
Email delivery delays
Resolved MinorIncident Report
We are investigating reports of delayed email delivery for posts published on Substack.
Components affected
Substack Email deliveryOne place to monitor all your cloud vendors. Get instant alerts when an outage is detected.
Try IsDown risk-free
14-day free trial · No credit card required
Latest Updates ( sorted recent to last )
RESOLVED
7 months ago - at 03/11/2025 05:35PM
This incident has been resolved.
MONITORING
7 months ago - at 03/11/2025 04:57PM
The issue causing delays to email delivery on posts has been addressed.
IDENTIFIED
7 months ago - at 03/11/2025 04:52PM
We have identified the cause of the email delays and are working to resolve.
INVESTIGATING
7 months ago - at 03/11/2025 04:43PM
We are investigating reports of delayed email delivery for posts published on Substack.
Latest Substack outages
Post notifications are delayed - 14 days ago
Post email delivery is delayed - 28 days ago
Substack experiencing increased latency - about 1 month ago
Delay in sending scheduled posts - about 2 months ago
Livestream creation not working - about 2 months ago
The Status Page Aggregator Built for IT Teams
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 4522 services available
Integrations with
