Fixed #7966 -- Send email if it has "bcc" recipients and no "to" recipients.

Patch from Zal.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@8086 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/mail.py

@@ -175,7 +175,7 @@ class SMTPConnection(object):
 
     def _send(self, email_message):
         """A helper method that does the actual sending."""
-        if not email_message.to:
+        if not email_message.recipients():
             return False
         try:
             self.connection.sendmail(email_message.from_email,