diff --git a/home/thunderbird/default.nix b/home/thunderbird/default.nix
index 9ef3820..dc12299 100644
--- a/home/thunderbird/default.nix
+++ b/home/thunderbird/default.nix
@@ -7,6 +7,11 @@
       "mail.pane_config.dynamic" = 2;
       "mail.biff.play_sound" = false;
       "mail.chat.play_sound" = false;
+      # Never allow cookies
+      "network.cookie.cookieBehavior" = 2;
+      "mailnews.start_page.enabled" = false;
+      # Date descending
+      "mailnews.default_sort_order" = 2;
     };
     profiles.nico = {
       isDefault = true;