Substack Email delivery status. Is Substack Email delivery down right now?
Substack status updated a few minutes ago
Is Substack Email delivery down?
Substack Email delivery is working normally
IsDown last checked Substack Email delivery status on at . We've received 0 user reports in the past 24 hours.
Monitoring since Apr 2020
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30 incidents caught
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5 components tracked in real-time
Substack Email delivery service health over the last 24 hours
This chart shows the number of user-reported issues for Substack Email delivery service health 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.
Email delivery Outage Map
See where users report Substack Email delivery is down. The map shows recent Substack Email delivery outages from around the world.
Email delivery Outage Map
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Latest Substack Email delivery outages detected by IsDown
Check Substack Email delivery status history below. IsDown detects when Substack Email delivery is down, tracking both official outages and user-reported issues.
| Title | Started At | Duration |
|---|---|---|
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We are experiencing delays with processing scheduled posts related to an outage from one of our s...
|
Oct 20, 2025 at 01:41 PM UTC
|
about 11 hours |
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We are experiencing delays in sending out email and push notifications for published posts.
|
Oct 04, 2025 at 04:06 PM UTC
|
about 5 hours |
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We are currently investigating this issue.
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Sep 20, 2025 at 02:42 PM UTC
|
about 2 hours |
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We are currently investigating reports of increased latency and slow response times across Substack.
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Sep 15, 2025 at 03:24 PM UTC
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about 4 hours |
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We are investigating a delay in the sending of scheduled posts.
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Aug 30, 2025 at 04:17 PM UTC
|
27 minutes |
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We are currently investigating a higher error rate when trying to load Substack
|
Jun 23, 2025 at 05:45 PM UTC
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about 12 hours |
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We are currently investigating this issue.
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May 24, 2025 at 02:47 PM UTC
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about 13 hours |
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We are currently investigating this issue.
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Apr 29, 2025 at 05:03 PM UTC
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about 2 hours |
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We are investigating reports of delayed email delivery for posts published on Substack.
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Mar 11, 2025 at 04:43 PM UTC
|
about 1 hour |
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We are experiencing an outage, but we are recovering.
|
Dec 13, 2024 at 04:21 PM UTC
|
about 1 hour |
Get alerts when Substack Email delivery is down
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- Get instant alerts when outages are detected
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- Keep your team informed
