diff --git a/sharing/service.py b/sharing/service.py
index 7ee18846..84445a9c 100644
--- a/sharing/service.py
+++ b/sharing/service.py
@@ -86,8 +86,7 @@ def create_share(request, item, emails, type, share_user=None):
             'to': email,
             'subject': 'You Were Added on a ' + type,
             'text': email_text_template.render(ctx),
-            'html': email_template.render(ctx),
-            'h:x-mailgun-native-send': 'true'
+            'html': email_template.render(ctx)
         }
 
         send_email_message(message_data)