diff --git a/sharepoint/auth.py b/sharepoint/auth.py
index 0fac642..62be1b8 100644
--- a/sharepoint/auth.py
+++ b/sharepoint/auth.py
@@ -5,6 +5,7 @@
 except ImportError:
     from urllib2 import BaseHandler, HTTPPasswordMgrWithDefaultRealm, build_opener
 
+from ntlm import HTTPNtlmAuthHandler
 
 class PreemptiveBasicAuthHandler(BaseHandler):
 
@@ -31,3 +32,9 @@ def basic_auth_opener(url, username, password):
     auth_handler = PreemptiveBasicAuthHandler(password_manager)
     opener = build_opener(auth_handler)
     return opener
+
+def ntlm_auth_opener(url, user, password):
+	password_manager = HTTPPasswordMgrWithDefaultRealm()
+	password_manager.add_password(None, url, user, password)
+	auth_NTLM = HTTPNtlmAuthHandler.HTTPNtlmAuthHandler(password_manager)
+	return build_opener(auth_NTLM)