I've stopped being able to access one of my virginmedia email addresses through my mobile android devices. It happened yesterday evening.
I have deleted the account from my phone and tried to add it again but it comes back with server error. It says can't open connection the server.
The address is accessible through web access and on my pc (thunderbird). And my other accounts (all ntworld.com ones) continue to sync happily.
Its odd that is just the one account that I use the most.