romang: ~>cat ~/.thunderbird/default/dr9gvgir.slt/prefs.js | grep app
user_pref("network.protocol-handler.app.ftp", "/usr/local/bin/firefox");
user_pref("network.protocol-handler.app.http", "/usr/local/bin/firefox");
user_pref("network.protocol-handler.app.https", "/usr/local/bin/firefox");
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