diff --git a/lib/filters/__init__.py b/lib/filters/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/lib/filters/email.py b/lib/filters/email.py
new file mode 100644
index 0000000..a625f1a
--- /dev/null
+++ b/lib/filters/email.py
@@ -0,0 +1,3 @@
+"""
+The email filter in pure Python.
+"""
\ No newline at end of file