rem: shell.openPreferredApplication(Components.interfaces.nsIShellService.APPLICATION_MAIL); 
add: shell.openApplication(Components.interfaces.nsIShellService.APPLICATION_MAIL); 
context:   readMail: function ()  {    var shell = getShellService();    if (shell)      shell.openPreferredApplication(Components.interfaces.nsIShellService.APPLICATION_MAIL);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ed0bc04db8fe0693a48a85af4583f1d201050126/browser.js/clean/browser/base/content/browser.js