Sending email to Microsoft-hosted email addresses may not be possible

Incident Report for Fasthosts

Resolved

The systems are stable and all services are functioning normally again.
Posted May 07, 2026 - 16:11 BST

Monitoring

We have eliminated the disruption for almost everyone affected. We are monitoring the situation to ensure that the issue does not reoccur.
Posted May 07, 2026 - 13:11 BST

Update

We have found the cause for the disruption and are working on resolving it.
Posted May 06, 2026 - 16:04 BST

Identified

Some emails sent to Microsoft-hosted email addresses may be rejected due to Microsoft blocking some of our IP addresses.

Please accept our apologies for any inconvenience you may be experiencing.
Posted May 06, 2026 - 11:28 BST
This incident affected: Email (Sending Mail).