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Scaleway

SMTP/51.159.208.135 blacklisted on Microsoft/Outlook from classic webhosting service

Partial outage Lasted 199d 17h · started · Scaleway's page

Level
confirmed
Worst impact
Partial outage
Components
Hosting
Down Index
33of 100

What to do

  • Check whether you use Scaleway Hosting. 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 199d 17h it lasted.

    Anything that failed between 2025-11-24 18:34 UTC and 2026-06-12 12:16 UTC may need a replay.
  • Subscribe to Scaleway's feed to hear about the next one first. RSS feed

    https://down.guide/feed?provider=scaleway works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Scaleway 2

  1. identified

    Our service is currently experiencing disruption due to blacklisting by Microsoft. We are actively working with Microsoft to resolve this issue as soon as possible.

    provider

  2. resolved

    No more SMTP blacklist messages reported from Outlook provider.

    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-9976cb6ea6

Is Scaleway still down?

No, this incident was resolved 2026-06-12 12:16 UTC. For Scaleway's live state, see https://down.guide/scaleway.

How long did it last?

199d 17h, from 2025-11-24 18:34 UTC to 2026-06-12 12:16 UTC, by the times Scaleway posted.

What was affected?

Scaleway named Hosting.

What caused it?

Scaleway hasn't published a root cause. If it does, it shows here.

Where does this come from?

Scaleway's official status page, https://status.scaleway.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.