diff --git a/Milter/test.py b/Milter/test.py
index 4977cca..1573052 100644
--- a/Milter/test.py
+++ b/Milter/test.py
@@ -37,7 +37,7 @@ class TestBase(object):
 
   def log(self,*msg):
     for i in msg: print(i,file=self.logfp,end=None)
-    print(file=self.logfp,flush=True)
+    print(file=self.logfp)
 
   ## Set a macro value.
   # These are retrieved by the %milter with getsymval.
diff --git a/milter-nomix.py b/milter-nomix.py
index a6686ba..bde0e43 100644
--- a/milter-nomix.py
+++ b/milter-nomix.py
@@ -2,6 +2,7 @@
 # Internal is defined as using one of a list of internal top level domains.
 #  This code is open-source on the same terms as Python.
 
+from __future__ import print_function
 import Milter
 import time
 import sys
@@ -68,12 +69,12 @@ def main():
   timeout = 600
   # Register to have the Milter factory create instances of your class:
   Milter.factory = NoMixMilter
-  print "%s milter startup" % time.strftime('%Y%b%d %H:%M:%S')
+  print("%s milter startup" % time.strftime('%Y%b%d %H:%M:%S'))
   sys.stdout.flush()
   Milter.runmilter("nomixfilter",socketname,timeout)
   logq.put(None)
   bt.join()
-  print "%s nomix milter shutdown" % time.strftime('%Y%b%d %H:%M:%S')
+  print("%s nomix milter shutdown" % time.strftime('%Y%b%d %H:%M:%S'))
 
 if __name__ == "__main__":
   main()
diff --git a/milter-template.py b/milter-template.py
index 076165c..b41c50c 100644
--- a/milter-template.py
+++ b/milter-template.py
@@ -136,7 +136,8 @@ def background():
         end=None)
     # 2005Oct13 02:34:11 [1] msg1 msg2 msg3 ...
     for i in msg: print(i,end=None)
-    print(flush=True)
+    print()
+    sys.stdout.flush()
 
 ## ===
     
@@ -151,7 +152,8 @@ def main():
   flags += Milter.ADDRCPT
   flags += Milter.DELRCPT
   Milter.set_flags(flags)       # tell Sendmail which features we use
-  print("%s milter startup" % time.strftime('%Y%b%d %H:%M:%S'),flush=True)
+  print("%s milter startup" % time.strftime('%Y%b%d %H:%M:%S'))
+  sys.stdout.flush()
   Milter.runmilter("pythonfilter",socketname,timeout)
   logq.put(None)
   bt.join()
diff --git a/sample.py b/sample.py
index 68bb17d..eb1c4ec 100644
--- a/sample.py
+++ b/sample.py
@@ -23,7 +23,7 @@ class sampleMilter(Milter.Milter):
   def log(self,*msg):
     print("%s [%d]" % (strftime('%Y%b%d %H:%M:%S'),self.id),end=None)
     for i in msg: print(i,end=None)
-    print(flush=True)
+    print()
 
   def __init__(self):
     self.tempname = None
@@ -177,6 +177,7 @@ O InputMailFilters=pythonfilter
 Xpythonfilter,        S=local:%s
 
 See the sendmail README for libmilter.
-sample  milter startup""" % socketname,flush=True)
+sample  milter startup""" % socketname)
+  sys.stdout.flush()
   Milter.runmilter("pythonfilter",socketname,240)
   print("sample milter shutdown")
diff --git a/testmime.py b/testmime.py
index f33c538..94e0b25 100644
--- a/testmime.py
+++ b/testmime.py
@@ -26,6 +26,7 @@
 # Revision 1.20  2004/11/20 16:38:17  stuart
 # Add rcs log
 #
+from __future__ import print_function
 import unittest
 import mime
 import socket
@@ -188,7 +189,7 @@ class MimeTestCase(unittest.TestCase):
     script = "<script lang=javascript> Dangerous script </script>"
     filter.feed(msg + script)
     filter.close()
-    #print result.getvalue()
+    #print(result.getvalue())
     self.failUnless(result.getvalue() == msg + filter.msg)
 
 def suite(): return unittest.makeSuite(MimeTestCase,'test')
@@ -201,4 +202,4 @@ if __name__ == '__main__':
       fp = open(fname,'r')
       msg = mime.message_from_file(fp)
       mime.defang(msg,scan_zip=True)
-      print msg.as_string()
+      print(msg.as_string())