- Level
- confirmed
- Worst impact
- Degraded
- Components
- Campaign E-Mail Submission via SMTP
- Down Index
- 15of 100
What to do
Check whether you use Optimizely Campaign E-Mail Submission via SMTP. 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 23m it lasted.
Anything that failed between 2026-09-16 08:33 UTC and 2026-09-16 08:56 UTC may need a replay.Subscribe to Optimizely's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=optimizely works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Optimizely 2
- identified
Starting around 10:00 CEST processing of emails submitted via our SMTP API is delayed. We already identified the underlying problem and are in the process of fixing the issue.
provider
- resolved
The issue has been fixed and all delayed emails have been processed.
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-1da7449f3b
Is Optimizely still down?
No, this incident was resolved 2026-09-16 08:56 UTC. For Optimizely's live state, see https://down.guide/optimizely.
How long did it last?
23m, from 2026-09-16 08:33 UTC to 2026-09-16 08:56 UTC, by the times Optimizely posted.
What was affected?
Optimizely named Campaign E-Mail Submission via SMTP.
What caused it?
Optimizely hasn't published a root cause. If it does, it shows here.
Where does this come from?
Optimizely's official status page, https://status.optimizely.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.