diff --git a/Lib/test/test_smtplib.py b/Lib/test/test_smtplib.py

index 1bb6690..28ed25d 100644

--- a/Lib/test/test_smtplib.py

+++ b/Lib/test/test_smtplib.py

@@ -182,6 +182,7 @@ class DebuggingServerTests(unittest.TestCase):

         smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15)

         smtp.quit()

+    @unittest._skipInRpmBuild("Does not work in network-free environment")

     def testNOOP(self):

         smtp = smtplib.SMTP(HOST, self.port, local_hostname='localhost', timeout=15)

         expected = (250, 'Ok')