Engineers have confirmed that the previous service alert has been resolved.
The service is now back to full health and is working as normal.
Thank you for your patience.
Nov 19, 10:07 GMT
Microsoft appear to have resolved their issue and the service has returned to normal, we will continue to monitor for any anomalies.
Nov 19, 08:08 GMT
We are investigating a service alert.
Issue: We are investigating an issue whereby some messages are not being imprinted.
Symptoms: Customers may notice that some messages are delayed and may not have a signature imprinted on the received message.
Update: There appears to be an issue with O365. Investigation with Microsoft is ongoing. Customers may still see minor delays in message delivery.
Next Update In: 120 minutes.
Nov 19, 03:26 GMT