[GLOBAL][Collaborative solutions] - MX Plan incident notification

Incident Report for Web Cloud

Update

We are currently investigating an incident affecting our Collaborative solutions offering for MX Plan, which is causing temporary availability issue in the GLOBAL region to Microsoft domains (outlook.com, live.com and hotmail.com).

Here are some supplementary details :

Start time : 07/05/2026 14:00 UTC
Impacted Service(s) : MX Plan delivery outgoing mails to Microsoft domains (outlook.com, live.com and hotmail.com) is temporarily unavailable.
Customers Impact : Customers using MX Plan are temporarily unable to send mails to Microsoft accounts (Outlook, Live, Hotmail).
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 May 11, 2026 - 14:56 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 May 11, 2026 - 14:51 UTC

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