If emails do not show up correctly inEntertainment, it may be necessary to reset the default email app on your computer.
To do so, open Apple Mail, Outlook or Thunderbird.
Open the preferences pane from the “Mail” menu.
In preferences, change the “Default E-mail Reader” to your mail app either Apple Mail, Outlook, Thunderbird or…
Close the preferences window in Apple Mail.
In inEntertainment open the preferences under the inEntertainment menu and select the “Email & Printing” tab.
Next click inside the field for Default email app. Click on the word in the field. It should switch from “Other“, or whatever you had previously, to your selected email app.