diff --git a/postmark/django_backend.py b/postmark/django_backend.py
index 593dc43..481528c 100644
--- a/postmark/django_backend.py
+++ b/postmark/django_backend.py
@@ -156,14 +156,14 @@ def _send(self, messages):
             if to_send is False:
                 # The message was missing recipients.
                 # Bail.
-                return False
+                return False, None
         else:
             pm_messages = list(map(self._build_message, messages))
             pm_messages = [m for m in pm_messages if m]
             if len(pm_messages) == 0:
                 # If after filtering, there aren't any messages
                 # to send, bail.
-                return False
+                return False, None
             to_send = PMBatchMail(messages=pm_messages)
         try:
             to_send.send(test=self.test_mode)
diff --git a/tests.py b/tests.py
index c1f5042..2f16dac 100644
--- a/tests.py
+++ b/tests.py
@@ -342,6 +342,39 @@ def test_message_count_batch(self):
                 sent_messages = connection.send_messages([message1, message2])
                 self.assertEqual(sent_messages, 2)
 
+    def test_send_messages_nothing_to_send_single(self):
+        """Make sure no errors when send results in zero messages."""
+        with self.settings(POSTMARK_RETURN_MESSAGE_ID=False):
+            message1 = EmailMessage(
+                connection=EmailBackend(api_key='dummy'),
+                from_email='from@test.com', to=[], subject='html test', body='<b>hello</b> there'
+            )
+
+            with mock.patch('postmark.core.urlopen') as transport:
+                # Directly send bulk mail via django
+                connection = mail.get_connection()
+                sent_messages = connection.send_messages([message1])
+                self.assertEqual(0, sent_messages)
+
+    def test_send_messages_nothing_to_send_double(self):
+        """Make sure no errors when send results in zero messages."""
+        with self.settings(POSTMARK_RETURN_MESSAGE_ID=False):
+            message1 = EmailMessage(
+                connection=EmailBackend(api_key='dummy'),
+                from_email='from@test.com', to=[], subject='html test', body='<b>hello</b> there'
+            )
+
+            message2 = EmailMessage(
+                connection=EmailBackend(api_key='dummy'),
+                from_email='from@test.com', to=[], subject='html test', body='<b>hello</b> there'
+            )
+
+            with mock.patch('postmark.core.urlopen') as transport:
+                # Directly send bulk mail via django
+                connection = mail.get_connection()
+                sent_messages = connection.send_messages([message1, message2])
+                self.assertEqual(0, sent_messages)
+
     def test_message_id_single(self):
         """Test backend returns message sending single message with setting True"""
         with self.settings(POSTMARK_RETURN_MESSAGE_ID=True):
@@ -415,7 +448,7 @@ def test_send_attachment_bytes(self):
 
         with mock.patch('postmark.core.urlopen', side_effect=HTTPError('', 200, '', {}, None)):
             message.send()
-    
+
     def test_message_stream(self):
         message = EmailMultiAlternatives(
             connection=EmailBackend(api_key='dummy'),