I am getting the same thing and I have had a blueyonder email for almost 20 yrs with the same password. Husband has a virginmedia.com account. His laptop packed up, so I have been accessing both accounts on the same machine but at different times.
Today is the first day I have not been able to get into my BY mailbox. I can get into his VM one. And the login screen is doing as this customer stated for mine. Not for the VM one.
Using webmail for both.
Clear cookies????
ETA: Getting the blue screen 'service unavailable' Retury....
I GOT IN ON MY PHONE WITH WEBMAIL... so is it a cookies thing???