diff --git a/users/myuser/graphical/default.nix b/users/myuser/graphical/default.nix
index a0e59f3..f814a1a 100644
--- a/users/myuser/graphical/default.nix
+++ b/users/myuser/graphical/default.nix
@@ -37,6 +37,8 @@
       zathura
     ];
 
+    # TODO thunderbird date time format is wrong even though this is C.utf8
+    # TODO yubikey pinentry is curses but should be graphical
     # TODO accounts.concats accounts.calendar
     # TODO test different pinentrys (pinentry gtk?)
     # TODO agenix rekey edit secret should create temp files with same extension
diff --git a/users/myuser/graphical/thunderbird.nix b/users/myuser/graphical/thunderbird.nix
index 14e48df..0b23dec 100644
--- a/users/myuser/graphical/thunderbird.nix
+++ b/users/myuser/graphical/thunderbird.nix
@@ -35,6 +35,50 @@ in {
     profiles.personal = {
       isDefault = true;
       withExternalGnupg = true;
+
+      settings = {
+        "mail.identity.default.archive_enabled" = true;
+        "mail.identity.default.archive_keep_folder_structure" = true;
+        "mail.identity.default.compose_html" = false;
+        "mail.identity.default.protectSubject" = true;
+        "mail.identity.default.reply_on_top" = 1;
+        "mail.identity.default.sig_on_reply" = false;
+      };
+    };
+
+    settings = {
+      # Some general settings.
+      "mail.server.default.allow_utf8_accept" = true;
+      "mail.server.default.max_articles" = 1000;
+      "mail.server.default.check_all_folders_for_new" = true;
+      "mail.show_headers" = 1;
+
+      # Show some metadata.
+      "mailnews.headers.showMessageId" = true;
+      "mailnews.headers.showOrganization" = true;
+      "mailnews.headers.showReferences" = true;
+      "mailnews.headers.showUserAgent" = true;
+
+      # Sort mails and news in descending order.
+      "mailnews.default_sort_order" = 2;
+      "mailnews.default_news_sort_order" = 2;
+      # Sort mails and news by date.
+      "mailnews.default_sort_type" = 18;
+      "mailnews.default_news_sort_type" = 18;
+
+      # Sort them by the newest reply in thread.
+      "mailnews.sort_threads_by_root" = true;
+      # Show time.
+      "mail.ui.display.dateformat.default" = 1;
+      # Sanitize it to UTC to prevent leaking local time.
+      "mail.sanitize_date_header" = true;
+
+      # Email composing QoL.
+      "mail.identity.default.auto_quote" = true;
+      "mail.identity.default.attachPgpKey" = true;
+
+      "app.update.auto" = false;
+      "privacy.donottrackheader.enabled" = true;
     };
   };
 
diff --git a/users/myuser/secrets/user.nix.age b/users/myuser/secrets/user.nix.age
index 773d9ec..2357a46 100644
Binary files a/users/myuser/secrets/user.nix.age and b/users/myuser/secrets/user.nix.age differ