Fixed #15750 -- Handle empty mail server credentials gracefully. Thanks, LeandroSouza and bedmondmark.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16494 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 8 insertions, 2 deletions

diff --git a/django/core/mail/backends/smtp.py b/django/core/mail/backends/smtp.py
index bb184ab312..3ee283b5f1 100644
--- a/django/core/mail/backends/smtp.py
+++ b/django/core/mail/backends/smtp.py
@@ -18,8 +18,14 @@ class EmailBackend(BaseEmailBackend):
         super(EmailBackend, self).__init__(fail_silently=fail_silently)
         self.host = host or settings.EMAIL_HOST
         self.port = port or settings.EMAIL_PORT
-        self.username = username or settings.EMAIL_HOST_USER
-        self.password = password or settings.EMAIL_HOST_PASSWORD
+        if username is None:
+            self.username = settings.EMAIL_HOST_USER
+        else:
+            self.username = username
+        if password is None:
+            self.password = settings.EMAIL_HOST_PASSWORD
+        else:
+            self.password = password
         if use_tls is None:
             self.use_tls = settings.EMAIL_USE_TLS
         else: