SYMPTOMSIn the Legal Hold client the button 'Send as email' only allows you to save the report and not send it via email.
CAUSENo default email client is configured for the workstation you are running Legal Hold on.
RESOLUTIONThis feature allows you to send and email from the Legal Hold client if you have a default mail client installed on the machine running the client. In order for this feature to work you need to configure a default Windows email client for the workstation. Once this is configured you will be able to send reports with the button in Legal Hold.