Outage in Substack
Post emails delayed
Resolved MajorIncident Report
We are experiencing delays with processing scheduled posts related to an outage from one of our service providers. Our team is investigating.
Components affected
Substack Email deliveryTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
6 months ago - at 10/21/2025 12:52AM
This incident has been resolved.
MONITORING
6 months ago - at 10/20/2025 09:50PM
Scheduled post sends are operational and we have caught up with the backlog.
IDENTIFIED
6 months ago - at 10/20/2025 04:51PM
We continue to experience delays with processing scheduled posts related to an outage from one of our service providers. Users can publish posts manually to bypass this. Our team is still investigating.
IDENTIFIED
6 months ago - at 10/20/2025 02:12PM
We are seeing recovery of our publisher dashboard functionality. Other service functions such as scheduled posts continue to be degraded.
INVESTIGATING
6 months ago - at 10/20/2025 01:49PM
We are also seeing issues with publication dashboards including partial outages across the subscriber tab and some statistics. We are working to mitigate.
INVESTIGATING
6 months ago - at 10/20/2025 01:41PM
We are experiencing delays with processing scheduled posts related to an outage from one of our service providers. Our team is investigating.
Latest Substack outages
Service degraded due to a provider. - 1 day ago
Issue with reported open rates - 27 days ago
We're aware of an issue causing delays in publisher stats - about 2 months ago
Publisher Stats Loading - about 2 months ago
Substack Availability Issues - 2 months ago
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