Is Substack Email delivery Down? Check current status
Check if Substack Email delivery is down, official outages, user-reported issues, and outages map.
Current Substack Email delivery status
Substack Email delivery is working normally
Updated from Substack official status page
a few minutes ago
Substack Email delivery service health. Issues reported in the last 24 hours
Check the number of user-reported issues over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem. We only consider an issue widespread if there are multiple reports within a short timeframe.
Working Normally
Possible Incident
Confirmed Outage
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Substack Email delivery recent outages and downtime history
IsDown has tracked 30 incidents for Substack Email delivery since started monitoring Substack status in April 2020. We collect data from 4522+ services, and normalize the data to give you a clear picture of the impact of the outage. It will show official Substack Email delivery outages and also issues that we're started by a spike in crowdsource reports.
| Date | Incident | Duration |
|---|---|---|
|
Oct 20, 2025
09:41 AM EDT
|
Major
We are experiencing delays with processing scheduled posts related to an outage from one of our s...
|
about 11 hours |
|
Oct 04, 2025
12:06 PM EDT
|
Minor
We are experiencing delays in sending out email and push notifications for published posts.
|
about 5 hours |
|
Sep 20, 2025
10:42 AM EDT
|
Minor
We are currently investigating this issue.
|
about 2 hours |
|
Sep 15, 2025
11:24 AM EDT
|
Minor
We are currently investigating reports of increased latency and slow response times across Substack.
|
about 4 hours |
|
Aug 30, 2025
12:17 PM EDT
|
Minor
We are investigating a delay in the sending of scheduled posts.
|
27 minutes |
|
Jun 23, 2025
01:45 PM EDT
|
Minor
We are currently investigating a higher error rate when trying to load Substack
|
about 12 hours |
|
May 24, 2025
10:47 AM EDT
|
Minor
We are currently investigating this issue.
|
about 13 hours |
|
Apr 29, 2025
01:03 PM EDT
|
Major
We are currently investigating this issue.
|
about 2 hours |
|
Mar 11, 2025
12:43 PM EDT
|
Minor
We are investigating reports of delayed email delivery for posts published on Substack.
|
about 1 hour |
|
Dec 13, 2024
11:21 AM EST
|
Major
We are experiencing an outage, but we are recovering.
|
about 1 hour |
Be the first to know when Substack Email delivery goes down
- Monitor external dependencies in one place
- Track outages in real-time
- Keep your team or customers informed
- Create private or public status pages
User comments about Substack Email delivery status
See what users are saying about Substack Email delivery issues that impacted them and how they are affected by the outage. You can see if other users are experiencing the same issues and if there are any workarounds or solutions.
No comments yet
Email delivery service for distributing newsletters directly to subscribers' inboxes as part of the Substack platform.
Monitoring Substack since April 2020
Email delivery is part of Substack. Check the Substack's status.
9 incidents in 2025
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