Service Unavailable error 500

[Miramar Sailing]

It is now Thursday and since Monday I have been experiencing incredibly slow service, and often no service, from my Roundcube email and websites. I usually use Chrome, but have tried IE and Firefox with the same problems. My router is sound as it whisks me through other non roundcube sites very swiftly. Is there a problem Roundcube, or anyone else for that matter? This is getting tedious!!

[SKaero]

RoundCube is not a service you need to contact your email provider and ask them for support.