Web: Field Email umí kontrolovat domény

mo/web/fields.py

@@ -74,13 +74,16 @@ class Points(Decimal):
 
 
 class Email(Stripped, EmailField):
-    def __init__(self, label="E-mail", validators=None, **kwargs):
+    check_existence: bool
+
+    def __init__(self, label="E-mail", validators=None, check_existence: bool = False, **kwargs):
+        self.check_existence = check_existence
         super().__init__(label, validators, **kwargs)
 
     def pre_validate(field, form):
         if field.data:
             try:
-                field.data = mo.users.normalize_email(field.data)
+                field.data = mo.users.normalize_email(field.data, check_existence=field.check_existence)
             except mo.CheckError as e:
                 raise wtforms.ValidationError(str(e))