Substack incident

Post email delivery is delayed

Notice Resolved View vendor source →

Substack experienced a notice incident on September 20, 2025 affecting Email delivery, lasting 1h 42m. The incident has been resolved; the full update timeline is below.

Started
Sep 20, 2025, 02:42 PM UTC
Resolved
Sep 20, 2025, 04:25 PM UTC
Duration
1h 42m
Detected by Pingoru
Sep 20, 2025, 02:42 PM UTC

Affected components

Email delivery

Update timeline

  1. investigating Sep 20, 2025, 02:42 PM UTC

    We are currently investigating this issue.

  2. monitoring Sep 20, 2025, 04:08 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Sep 20, 2025, 04:25 PM UTC

    This incident has been resolved.