diff --git a/host/secret_sauce.py b/host/secret_sauce.py
new file mode 100644
index 0000000..bf183ac
--- /dev/null
+++ b/host/secret_sauce.py
@@ -0,0 +1,7 @@
+
+class SpamError(ValueError):
+    def __str__(self):
+        return ' '.join(self.args)
+
+def check_spam(addr, data):
+	pass