Courier: Message send delays
Timeline of updates
- investigating
We are currently investigating an issue that is affecting send times for some messages.
- investigating
We are continuing to investigate this issue.
- monitoring
A fix has been deployed to Courier's production systems. The engineering team will continue to monitor as operations return to normal state.
- resolved
System is back to a healthy state.
Changes Rewindex caught on this incident
- Nov 2, 2023Major incident: Message send delays
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 18:33 UTC
In the 2026-10-19 checkpoint, timestamped by FreeTSA and DigiCert on Oct 20, 00:41 UTC. Record hash
40a2a5782f992437…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).