Update: Email down. The failed system has been bypassed and service is now restored. Apologies for any inconvenience.
Update: Email down. There is a general Internet routing problem preventing access to some of our mail servers. Engineers are investigating. We have no ETA at present but will update this page as soon as we know more.
We are receiving reports of problems on one of our hosted exchange systems. Engineers are investigating and will update this feed as soon as we know more.