OZNZB unable to connect

I have had oznzb running for about a year but now Sonarr is unable to connect to OZNZB.

I get the following error in the logs:

System.Net.WebException: Error: ConnectFailure (Connection refused) —> System.Net.Sockets.SocketException: Connection refused
at System.Net.Sockets.Socket.Connect (System.Net.EndPoint remoteEP) [0x00000] in :0
at System.Net.WebConnection.Connect (System.Net.HttpWebRequest request) [0x00000] in :0
— End of inner exception stack trace —
at System.Net.HttpWebRequest.EndGetResponse (IAsyncResult asyncResult) [0x00000] in :0
at System.Net.HttpWebRequest.GetResponse () [0x00000] in :0
at NzbDrone.Common.Http.HttpClient.Execute (NzbDrone.Common.Http.HttpRequest request) [0x00000] in :0

Likely due to the current issues oznzb is having with their servers. Nothing to do but wait.

Which would explain why I am (still) yet to receive a reply from them regarding activation of my account, no?