- Level
- confirmed
- Worst impact
- Degraded
- Components
- SMTP Delivery - USA
- Regions
- eu, us
What to do
Check whether you use SparkPost SMTP Delivery - USA in eu, us. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 1h 35m it lasted.
Anything that failed between 2025-11-11 14:35 UTC and 2025-11-11 16:10 UTC may need a replay.Subscribe to SparkPost's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=sparkpost works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from SparkPost 3
- investigating
We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)
provider
- identified
The issue has been identified and a fix is being implemented.
provider
- resolved
This incident impacted a limited batch of messages injected via SMTP API. We have quarantined the impacted the node and working on delivering the messages and isolating the root cause. The SMTP API is full operational
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-212907c425
Is SparkPost still down?
No, this incident was resolved 2025-11-11 16:10 UTC. For SparkPost's live state, see https://down.guide/sparkpost.
How long did it last?
1h 35m, from 2025-11-11 14:35 UTC to 2025-11-11 16:10 UTC, by the times SparkPost posted.
What was affected?
SparkPost named SMTP Delivery - USA in eu, us.
What caused it?
SparkPost hasn't published a root cause. If it does, it shows here.
Where does this come from?
SparkPost's official status page, https://status.sparkpost.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.