rewindex

CompaniesSubstackIncidents

Substack: Email delivery delays

MinorStatus: resolvedStarted Resolved (52 min)4 updatesstspg.io (opens in new tab)

Affected components: Email delivery

Timeline of updates

  1. investigating

    We are investigating reports of delayed email delivery for posts published on Substack.

  2. identified

    We have identified the cause of the email delays and are working to resolve.

  3. monitoring

    The issue causing delays to email delivery on posts has been addressed.

  4. resolved

    This incident has been resolved.

Archive proof

Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.

How the archive is checked, and what it cannot prove.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).

Cite this

Status incident (vendor impact label: minor) posted by Substack, started 2025-03-11 16:43 UTC, resolved after 52 min, 4 update(s).

Title
Email delivery delays
Vendor
Substack
Date
URL
https://rewindex.com/company/substack/incidents/1nn1fd6jpxrl

Substack profileRecent Substack incidentsAll outages on March 11, 2025Substack in March 2025MarkdownJSON