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CompaniesPostmarkIncidents

Postmark: Delayed Message Delivery

MinorStatus: resolvedStarted Resolved (4.0 h)1 updatestatus.postmarkapp.com (opens in new tab)

Timeline of updates

  1. resolved

    This incident has been resolved. The backlog of messages queued during the delay between 9:49 AM and 10:07 AM CT (10:49–11:07 AM ET) has been fully processed and delivered. New messages continue to be accepted and delivered normally. No messages were lost.

    If you have questions about a specific message, please reach out to us at support@postmarkapp.com.

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 status.postmarkapp.com (opens in new tab).

Cite this

Status incident (vendor impact label: minor) posted by Postmark, started 2026-09-28 13:49 UTC, resolved after 4.0 h, 1 update(s).

Title
Delayed Message Delivery
Vendor
Postmark
Date
URL
https://rewindex.com/company/postmark/incidents/510410

Postmark profileRecent Postmark incidentsAll outages on September 28, 2026Postmark in September 2026MarkdownJSON