diff --git a/util/useremails.py b/util/useremails.py
index 5a217fbbe..8dbbc5216 100644
--- a/util/useremails.py
+++ b/util/useremails.py
@@ -41,6 +41,7 @@ def send_email(recipient, subject, template_file, parameters):
   try:
     mail.send(msg)
   except Exception as ex:
+    logger.exception('Error while trying to send email to %s', recipient)
     raise CannotSendEmailException(ex.message)
 
 def send_password_changed(username, email):