Outage in Scaleway
[Transactional Email] - Low IP reputation with Microsoft servers
Resolved MinorIncident Report
Summary AI Generated
Scaleway's transactional email service experienced delivery delays and retries when sending emails to Microsoft domains (Outlook, MSN, Hotmail) due to temporary rate limiting caused by IP reputation issues. The incident lasted over 6 weeks, affecting email delivery to Microsoft email services. The issue was resolved and email delivery returned to normal operation.
We are noticing an increase in issues with Microsoft, with the message: "temporarily rate limited due to IP reputation."
Our team is already taking action to mitigate the issue, but you may notice some delays and retries when sending to Outlook, MSN, or Hotmail.
Microsoft has acknowledged the issue and is currently investigating on their side.
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Latest Updates ( sorted recent to last )
RESOLVED
21 days ago - at 04/10/2026 07:51AM
Customers may have experienced delays when sending emails to Microsoft domains (Outlook, MSN, Hotmail) due to temporary rate limiting. The issue has been resolved and email delivery should now be operating normally.
IDENTIFIED
2 months ago - at 02/27/2026 09:33AM
We are noticing an increase in issues with Microsoft, with the message: "temporarily rate limited due to IP reputation."
Our team is already taking action to mitigate the issue, but you may notice some delays and retries when sending to Outlook, MSN, or Hotmail.
Microsoft has acknowledged the issue and is currently investigating on their side.
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