checking encryption, fixing module calling

email_server/tool_box.py

@@ -0,0 +1,13 @@
+"""
+Utility functions for the email server.
+"""
+
+import os
+
+def ensure_folder_exists(filepath):
+    """
+    Ensure that the folder for the given filepath exists.
+    """
+    if filepath.startswith("sqlite:///"):
+        filepath = filepath.replace("sqlite:///", "", 1)
+    os.makedirs(os.path.dirname(filepath), exist_ok=True)