Below are the steps to making Mozilla Thunderbird (or any mail client of your choosing) the default mail client for Firefox in Linux.Watch Full Movie Streaming Online and Download

  1. enter about:config in the address field
  2. filter for mailto
  3. make sure that “network.protocol-handler.external.mailto” is set to true (double-click to change).
  4. Add a new preference:
    • right-click on the window
    • choose New, String
    • prefence name is network.protocol-handler.app.mailto
    • value is /path/to/thunderbird (if using another mail client other than thunderbird, enter the path to it here instead)