Thunderbird (yes, Mozilla’s email client) doesn’t know how to open URL’s in Firefox out of the box. How is stuff like that even possible? I’m continually amazed that Thunderbird doesn’t get more love from Mozilla. Fix it like this:

  • Close Thunderbird
  • Get the path to firefox with [which firefox]
  • Find the Thunderbird preferences file, something like this:
    /home/user/.thunderbird/####.default/prefs.js
  • Add this:
    user_pref("network.protocol-handler.app.http", "/path/to/firefox");
    user_pref("network.protocol-handler.app.https", "/path/to/firefox");
    user_pref("network.protocol-handler.app.ftp", "/path/to/firefox");

Ahhh much better. Silly!

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