Postmark: Email Sending Delays
Timeline of updates
- resolved
The backlog of messages have been sent and system performance has returned to its expected state. Sending delays occurred between 4:50 – 6:35pm CT (21:50 – 23:35 UTC) for both transactional and broadcast mail. Engineering will continue to monitor.
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.
First version captured
In the 2026-10-22 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
c9e353a332fd72f7…
Impact, status and times are the vendor’s own, as last archived. View on status.postmarkapp.com (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Postmark, started 2026-06-04 20:50 UTC, resolved after 3.8 h, 1 update(s).
- Title
- Email Sending Delays
- Vendor
- Postmark
- Date
- URL
- https://rewindex.com/company/postmark/incidents/499743
Postmark profileRecent Postmark incidentsAll outages on June 4, 2026Postmark in June 2026MarkdownJSON