Monitoring - Mail flow for customers connected through Microsoft Graph has improved, and delayed messages are being processed.
Our team has retried affected queued messages and is checking any remaining failures. Some recipients may receive duplicate emails as a result of these retries.
We are continuing to monitor the situation and will provide an update once recovery is confirmed.
Nov 13, 2026 - 14:57 GMT
Our team has retried affected queued messages and is checking any remaining failures. Some recipients may receive duplicate emails as a result of these retries.
We are continuing to monitor the situation and will provide an update once recovery is confirmed.
Nov 13, 2026 - 14:57 GMT
Identified - This outage is caused by an ongoing Microsoft 365 incident affecting Exchange Online. Customers connected through MS Graph are unable to receive or send emails in Sedna until Microsoft resolves the issue. We are monitoring closely and will update once mail flow is restored. For Microsoft’s updates, see https://status.cloud.microsoft.
Nov 12, 2026 - 21:43 GMT
Nov 12, 2026 - 21:43 GMT
Investigating - We are investigating an outage affecting Sedna’s mail ingress and egress services for customers using MS Graph. Affected users are currently unable to receive or send emails. Our engineering team is treating this as a top priority, and we will share another update as soon as we have more information.
Nov 12, 2026 - 18:25 GMT
Nov 12, 2026 - 18:25 GMT
SEDNA - www.sednanetwork.com
Partial Outage
SEDNA - Private Hosting
Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.