In some cases older email clients were getting tripped up by our mail servers SSL handshakes requirements. We've made some changes to make it handle things a bit more gracefully and hopefully prevent any issues.
Opening a ticket with us via the Support Centre in the Control Panel (which is always better than emailing us directly) now provides us more information about what you're requesting help with. This will allow us to provide faster and hopefully better support and process that information to do smart things.
We've fixed an issue that was preventing Private Cloud customers upgrading disk space on their Virtual Servers and Cloud Containers running on private hardware nodes via the Control Panel or API.