diff -r b758351d191f -r cc9b7e14412b web/lib/django/core/mail/backends/base.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/core/mail/backends/base.py	Tue May 25 02:43:45 2010 +0200
@@ -0,0 +1,39 @@
+"""Base email backend class."""
+
+class BaseEmailBackend(object):
+    """
+    Base class for email backend implementations.
+
+    Subclasses must at least overwrite send_messages().
+    """
+    def __init__(self, fail_silently=False, **kwargs):
+        self.fail_silently = fail_silently
+
+    def open(self):
+        """Open a network connection.
+
+        This method can be overwritten by backend implementations to
+        open a network connection.
+
+        It's up to the backend implementation to track the status of
+        a network connection if it's needed by the backend.
+
+        This method can be called by applications to force a single
+        network connection to be used when sending mails. See the
+        send_messages() method of the SMTP backend for a reference
+        implementation.
+
+        The default implementation does nothing.
+        """
+        pass
+
+    def close(self):
+        """Close a network connection."""
+        pass
+
+    def send_messages(self, email_messages):
+        """
+        Sends one or more EmailMessage objects and returns the number of email
+        messages sent.
+        """
+        raise NotImplementedError