Mail delayed to Microsoft

Microsoft appear to have resolved the issue and mail is now flowing as normal.

There is currently an ongoing issue on the Microsoft email platform that means outbound emails to a Microsoft email accounts may be delayed. MS has an open incident on the matter.

Users may experience delays receiving email messages from external domains in Exchange Online

Issue ID: EX1467029

Affected services: Exchange Online

Status: Service degradation

Issue type: Incident

Start time: Sep 4, 2026, 12:19 PM GMT+2

User impact

Users may experience a delay in receiving email messages from external domains in Exchange Online.

We have put measures in place to try and work around this issue and have to an extent seen mail flowing more easily but we are reliant on MS resolving the issues on their platform.

We will update this status as an when MS make progress with a resolution.