Optimizely: Delay of E-Mails Submitted via SMTP API
Affected components: Campaign E-Mail Submission via SMTPCampaign (Omnichannel Marketing Solution) - EMEA Region - Campaign E-Mail Submission via SMTP
Timeline of updates
- 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. - resolved
The issue has been fixed and all delayed emails have been processed.
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
In the 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
73e2275a2b4b78a9…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Optimizely, started 2026-09-16 08:33 UTC, resolved after 23 min, 2 update(s).
- Title
- Delay of E-Mails Submitted via SMTP API
- Vendor
- Optimizely
- Date
- URL
- https://rewindex.com/company/optimizely/incidents/yrn88dlg0ct5
Optimizely profileRecent Optimizely incidentsAll outages on September 16, 2026Optimizely in September 2026MarkdownJSON