diff --git a/systems/x86_64-linux/mx/rspamd.nix b/systems/x86_64-linux/mx/rspamd.nix
index 8b006e4..65fa807 100644
--- a/systems/x86_64-linux/mx/rspamd.nix
+++ b/systems/x86_64-linux/mx/rspamd.nix
@@ -5,28 +5,52 @@
     mode = "0660";
   }];
   services.rspamd.locals = {
+    "settings.conf" = {
+      bogenschiessen = {
+        from = "bogensport-jugend@gmx.de";
+        apply = {
+          actions = {
+            reject = 100.0;
+            greylist = null; # Disable greylisting (from 1.8.1)
+            "add header" = 100.0; # Please note the space, NOT an underscore
+          };
+        };
+      };
+    };
     "maps.d/spf_whitelist.inc.local" = {
       text = ''
         epicgames.com
         dmail.ai
+        twitter.com
+        x.com
+        gmx.de
       '';
     };
     "maps.d/spf_dkim_whitelist.inc.local" = {
       text = ''
         epicgames.com
         dmail.ai
+        twitter.com
+        x.com
+        gmx.de
       '';
     };
     "maps.d/dmarc_whitelist.inc.local" = {
       text = ''
         epicgames.com
         dmail.ai
+        twitter.com
+        x.com
+        gmx.de
       '';
     };
     "greylist-whitelist-domains.inc" = {
       text = ''
         dmail.ai
         epicgames.com
+        twitter.com
+        x.com
+        gmx.de
       '';
     };
   };