Postmark: Delays processing Inbound messages
Timeline of updates
- investigating
Investigating: some customers have reported that inbound messages have been delayed before reaching your webhook.
Sending isn’t affected. We’re working on a fix and will update this post as soon as we know more.
What you can do: Nothing for now. Your Inbound messages are still being received, and we’ll deliver them to your webhook as the delay clears.
- identified
We've identified the cause of the Inbound delay and put a fix in place, and we're monitoring while the delayed messages reach your webhook as the delay clears.
- resolved
Inbound processing is back to normal. The fix is holding, and all delayed messages have been delivered to your webhooks. We'll keep monitoring to make sure it stays that way.
Changes Rewindex caught on this incident
- Incident updated: Delays processing Inbound messages
- Incident updated: Delays processing Inbound messages
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 these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-11-04 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
cb23724cb1922019…Version 2 captured
In the 2026-11-04 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
5ab13273fb6b0afd…Version 3 captured
In the 2026-11-04 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
c809076b35103863…
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 2026-11-04 13:30 UTC, resolved after 3.5 h, 3 update(s); edited after publishing.
- Title
- Delays processing Inbound messages
- Vendor
- Postmark
- Date
- URL
- https://rewindex.com/company/postmark/incidents/513586
Postmark profileRecent Postmark incidentsAll outages on November 4, 2026Postmark in November 2026MarkdownJSON