1 files changed, 2 insertions, 0 deletions
diff --git a/Mailman/Utils.py b/Mailman/Utils.py
index 09e1bd724..7b3e69b5b 100644
--- a/Mailman/Utils.py
+++ b/Mailman/Utils.py
@@ -235,6 +235,8 @@ _badchars = re.compile('[][()<>|;]')
 def ValidateEmail(str):
     """Verify that the an email address isn't grossly invalid."""
     # Pretty minimal, cheesy check.  We could do better...
+    if not str:
+        raise Errors.MMBadEmailError
     if _badchars.search(str) or str[0] == '-':
         raise Errors.MMHostileAddress
     if string.find(str, '/') <> -1 and \