[Web Cloud][Collaborative solutions - MX Plan] - Microsoft Mailbox Delivery Issue

Incident Report for Web Cloud

Resolved

We are pleased to inform you that the incident affecting our Collaborative solutions offer has been resolved.

Start time : 13/02/2026 15:00 UTC
End time : 10/03/2026 17:00 UTC
Root Cause : This incident was caused by our provider.

We apologize for any inconvenience caused and appreciate your understanding.

Posted Mar 11, 2026 - 10:43 UTC

Update

We have received updated information regarding the incident affecting your service(s).

Part of the mailbox delivery service is now restored.

Ongoing Actions : The provider has identified the root cause of the issue and is currently working on implementing a fix to fully restore and stabilize the service.

We will keep you informed of any progress and the final resolution.

We apologize for the inconvenience and appreciate your patience and understanding.

Posted Mar 06, 2026 - 09:01 UTC

Identified

We have received updated information regarding the incident affecting your service(s).

Part of the mailbox delivery service is now restored.

Ongoing Actions : The provider is continuing to work on this issue to ensure long-term service stability.

We will keep you informed of any progress and the final resolution.

We apologize for the inconvenience and appreciate your patience and understanding.

Posted Mar 02, 2026 - 17:23 UTC

Investigating

We have received updated information regarding the incident affecting your service(s).

Part of the mailbox delivery service is now restored.

Ongoing Actions : The provider continues to investigate the issue to ensure long-term service stability.

We will keep you informed of any progress and the final resolution.

We apologize for the inconvenience and appreciate your patience and understanding.

Posted Feb 26, 2026 - 14:01 UTC

Monitoring

Service has been fully restored since 23/02/2026 15:50 UTC. Monitoring remains active to ensure long-term stability.

Here are some supplementary details :

Start time : 13/02/2026 15:00 UTC
Impacted Service(s) : Mailbox delivery
Customers Impact : Emails sent to Microsoft‑managed services (Outlook.com, Hotmail, Live, Office 365/Exchange Online) are being delayed, rejected, or not delivered. Deliveries to other providers (e.g., Gmail, Orange) remain unaffected.
Root Cause : This incident is caused by our provider.

We apologize for any inconvenience caused and appreciate your understanding.

Posted Feb 23, 2026 - 16:04 UTC

Update

We are currently investigating an incident affecting our Collaborative solutions offering, which is causing temporary functionality issue in the MX Plan solution.

Here are some supplementary details :

Start time : 13/02/2026 15:00 UTC
Impacted Service(s) : Mailbox delivery
Customers Impact : Emails sent to Microsoft‑managed services (Outlook.com, Hotmail, Live, Office 365/Exchange Online) are being delayed, rejected, or not delivered. Deliveries to other providers (e.g., Gmail, Orange) remain unaffected.
Ongoing Actions : Our teams are investigating to determine the origin of the incident and fix it.

We will keep you updated on the progress and resolution.

We apologize for any inconvenience caused and appreciate your understanding.

Posted Feb 19, 2026 - 14:58 UTC

Investigating

We are currently experiencing an event affecting our Collaborative solutions offer.

Our teams are fully committed to investigating this issue and working towards a resolution as soon as possible. As investigations are ongoing, we will share any new findings or updates with you as soon as possible.

We apologize for any inconvenience caused and appreciate your understanding.

Posted Feb 19, 2026 - 14:20 UTC

This incident affected: Collaborative solutions || MX Plan (Delivery email, Delivery).