We have determined, through log analysis, that server NC027 was shut down at 14:03 and restarted at 14:24 UTC. So the server was unavailable for 21 minutes this afternoon.
Any email sent to addresses on this server would have been queued on the sending servers until this server was back online, and would have been delivered at that time or shortly thereafter. You will have received any such email by this time.
When we receive more details from the data centre we will post them here. We apologise for any inconvenience caused and will post additional details here as soon as we have them. Thanks for your patience.