--- a/suite/browser/browser-prefs.js
+++ b/suite/browser/browser-prefs.js
@@ -824,16 +824,65 @@ pref("services.sync.prefs.sync.dom.disab
 pref("services.sync.prefs.sync.dom.event.contextmenu.enabled", true);
 pref("services.sync.prefs.sync.extensions.update.enabled", true);
 pref("services.sync.prefs.sync.general.smoothScroll", true);
 pref("services.sync.prefs.sync.intl.accept_languages", true);
 pref("services.sync.prefs.sync.javascript.enabled", true);
 pref("services.sync.prefs.sync.layout.spellcheckDefault", true);
 pref("services.sync.prefs.sync.lightweightThemes.isThemeSelected", true);
 pref("services.sync.prefs.sync.lightweightThemes.usedThemes", true);
+pref("services.sync.prefs.sync.mailnews.confirm.moveFoldersToTrash", true);
+pref("services.sync.prefs.sync.mailnews.customDBHeaders", true);
+pref("services.sync.prefs.sync.mailnews.customHeaders", true);
+pref("services.sync.prefs.sync.mailnews.display.date_senders_timezone", true);
+pref("services.sync.prefs.sync.mailnews.display.disable_format_flowed_support", true);
+pref("services.sync.prefs.sync.mailnews.display.disallow_mime_handlers", true);
+pref("services.sync.prefs.sync.mailnews.display.html_as", true);
+pref("services.sync.prefs.sync.mailnews.display.html_sanitizer.allowed_tags", true);
+pref("services.sync.prefs.sync.mailnews.display.prefer_plaintext", true);
+pref("services.sync.prefs.sync.mailnews.display.show_all_body_parts_menu", true);
+pref("services.sync.prefs.sync.mailnews.emptyTrash.dontAskAgain", true);
+pref("services.sync.prefs.sync.mailnews.filters.confirm_delete", true);
+pref("services.sync.prefs.sync.mailnews.headers.extraExpandedHeaders", true);
+pref("services.sync.prefs.sync.mailnews.headers.showMessageId", true);
+pref("services.sync.prefs.sync.mailnews.headers.showOrganization", true);
+pref("services.sync.prefs.sync.mailnews.headers.showReferences", true);
+pref("services.sync.prefs.sync.mailnews.headers.showSender", true);
+pref("services.sync.prefs.sync.mailnews.headers.showUserAgent", true);
+pref("services.sync.prefs.sync.mailnews.localizedRe", true);
+pref("services.sync.prefs.sync.mailnews.mark_message_read.auto", true);
+pref("services.sync.prefs.sync.mailnews.mark_message_read.delay", true);
+pref("services.sync.prefs.sync.mailnews.mark_message_read.delay.interval", true);
+pref("services.sync.prefs.sync.mailnews.messageid.openInNewWindow", true);
+pref("services.sync.prefs.sync.mailnews.message_display.allow_plugins", true);
+pref("services.sync.prefs.sync.mailnews.message_display.disable_remote_image", true);
+pref("services.sync.prefs.sync.mailnews.nav_crosses_folders", true);
+pref("services.sync.prefs.sync.mailnews.offline_sync_mail", true);
+pref("services.sync.prefs.sync.mailnews.offline_sync_news", true);
+pref("services.sync.prefs.sync.mailnews.offline_sync_send_unsent", true);
+pref("services.sync.prefs.sync.mailnews.offline_sync_work_offline", true);
+pref("services.sync.prefs.sync.mailnews.remember_selected_message", true);
+pref("services.sync.prefs.sync.mailnews.reply_header_authorwrote", true);
+pref("services.sync.prefs.sync.mailnews.reply_header_colon", true);
+pref("services.sync.prefs.sync.mailnews.reply_header_locale", true);
+pref("services.sync.prefs.sync.mailnews.reply_header_ondate", true);
+pref("services.sync.prefs.sync.mailnews.reply_header_originalmessage", true);
+pref("services.sync.prefs.sync.mailnews.reply_header_separator", true);
+pref("services.sync.prefs.sync.mailnews.reply_header_type", true);
+pref("services.sync.prefs.sync.mailnews.scroll_to_new_message", true);
+pref("services.sync.prefs.sync.mailnews.sendInBackground", true);
+pref("services.sync.prefs.sync.mailnews.send_default_charset", true);
+pref("services.sync.prefs.sync.mailnews.send_plaintext_flowed", true);
+pref("services.sync.prefs.sync.mailnews.show_send_progress", true);
+pref("services.sync.prefs.sync.mailnews.start_page.enabled", true);
+pref("services.sync.prefs.sync.mailnews.thread_pane_column_unthreads", true);
+pref("services.sync.prefs.sync.mailnews.ui.deleteMarksRead", true);
+pref("services.sync.prefs.sync.mailnews.ui.junk.manualMarkAsJunkMarksRead", true);
+pref("services.sync.prefs.sync.mailnews.view_default_charset", true);
+pref("services.sync.prefs.sync.mailnews.wraplength", true);
 pref("services.sync.prefs.sync.network.cookie.cookieBehavior", true);
 pref("services.sync.prefs.sync.network.cookie.lifetimePolicy", true);
 pref("services.sync.prefs.sync.permissions.default.image", true);
 pref("services.sync.prefs.sync.privacy.donottrackheader.enabled", true);
 pref("services.sync.prefs.sync.privacy.item.cache", true);
 pref("services.sync.prefs.sync.privacy.item.cookies", true);
 pref("services.sync.prefs.sync.privacy.item.downloads", true);
 pref("services.sync.prefs.sync.privacy.item.formdata", true);