# Delay of E-Mails Submitted via SMTP API

- Provider: [Optimizely](https://down.guide/optimizely)
- Level: confirmed
- Impact: Degraded
- lasted 23m
- started 2026-09-16 08:33 UTC
- Campaign E-Mail Submission via SMTP
- id: DWN-1da7449f3b
- Official page: https://stspg.io/8vwzdbhmvldd

## Updates from Optimizely
### 2026-09-16 08:33 UTC: 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.

### 2026-09-16 08:56 UTC: resolved
The issue has been fixed and all delayed emails have been processed.

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