Zoho Mail Desktop and Web Not Working

Zoho Mail Desktop and Web Not Working

For the last week or two, both ZOHO Mail desktop client and ZOHO Mail Web client have not been working.

After logging in - both mail clients hang at the 'Loading ... <my email address> screen (screen shot below), the icons are rotating visually.

Tried calling support, but they are currently too busy - can't email you because my email isn't working.