// Default start page
//pref("mailnews.start_page.url", "chrome://messenger/content/start.xhtml");
pref("mailnews.start_page.url", "about:");

// first launch welcome page
//pref("mailnews.start_page.welcome_url", "chrome://messenger/content/start.xhtml");
pref("mailnews.start_page.welcome_url", "about:");

// start page override to load after an update
//pref("mailnews.start_page.override_url", "chrome://messenger/content/start.xhtml");
pref("mailnews.start_page.override_url", "about:");

pref("app.vendorURL", "http://www.mozillamessaging.com/%LOCALE%/thunderbird/");