diff --git a/app/dashboard/views/alias_contact_manager.py b/app/dashboard/views/alias_contact_manager.py
index 797309f8..de7b8b9a 100644
--- a/app/dashboard/views/alias_contact_manager.py
+++ b/app/dashboard/views/alias_contact_manager.py
@@ -164,7 +164,7 @@ def alias_contact_manager(alias_id):
     if request.method == "POST":
         if request.form.get("form-name") == "create":
             if new_contact_form.validate():
-                contact_addr = new_contact_form.email.data.strip().lower()
+                contact_addr = new_contact_form.email.data.strip()
 
                 # generate a reply_email, make sure it is unique
                 # not use while to avoid infinite loop