# Substack: Posts not being delivered via email

- Impact (vendor’s label): major
- Status: resolved
- Started: 2024-10-01 14:04 UTC · Resolved: 2024-10-01 15:06 UTC · Duration: 1.0 h
- Updates: 5 · Affected components: Email delivery
- [Vendor status page: https://stspg.io/cnllzzg4g4d1](https://stspg.io/cnllzzg4g4d1)
- [Company: Substack](https://rewindex.com/company/substack.md)

## Summary

Substack reported a major email delivery incident affecting some posts, starting 2024-10-01 14:04 UTC and resolved at 2024-10-01 15:06 UTC, lasting 1 h 1 min. At 14:32 UTC, Substack said delivery delays were resolved and previously scheduled posts were being delivered. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2024-10-01 14:04 UTC: We are investigating reports that some posts are not being delivered via email.
- **identified** 2024-10-01 14:08 UTC: We can confirm delays in email deliveries for Substack posts starting at 9am EDT. We are working to resolve the issues.
- **identified** 2024-10-01 14:24 UTC: We are continuing to work on addressing delays in email deliveries.
- **monitoring** 2024-10-01 14:32 UTC: The delays in post delivery have been resolved and previously scheduled posts are currently being delivered. We are monitoring our systems to ensure delivery.
- **resolved** 2024-10-01 15:06 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2024-10-01 14:04 UTC: [Major incident: Posts not being delivered via email](https://rewindex.com/change/i87ad1893dcd2e3.md)


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Canonical: https://rewindex.com/company/substack/incidents/r8s5rplw6sv9 · Markdown: https://rewindex.com/company/substack/incidents/r8s5rplw6sv9.md · JSON: https://rewindex.com/api/v1/companies/substack/incidents/r8s5rplw6sv9 · Generated 2026-10-18T10:29:22.393Z