diff -r acc7439b1406 Lib/smtpd.py
--- a/Lib/smtpd.py	Sat Aug 31 00:26:02 2013 +0200
+++ b/Lib/smtpd.py	Wed Sep 04 20:50:33 2013 +0200
@@ -780,7 +780,7 @@
         if opt in ('-h', '--help'):
             usage(0)
         elif opt in ('-V', '--version'):
-            print(__version__, file=sys.stderr)
+            print(__version__, file=sys.stdout)
             sys.exit(0)
         elif opt in ('-n', '--nosetuid'):
             options.setuid = 0
diff -r acc7439b1406 Misc/NEWS
--- a/Misc/NEWS	Sat Aug 31 00:26:02 2013 +0200
+++ b/Misc/NEWS	Wed Sep 04 20:50:33 2013 +0200
@@ -1017,6 +1017,9 @@
 - Issue #12990: The "Python Launcher" on OSX could not launch python scripts
   that have paths that include wide characters.
 
+- Issue #18922: Now The Lib/smtpd.py and Tools/i18n/msgfmt.py scripts write
+  their version strings to stdout, and not to sderr.
+
 What's New in Python 3.3.1 release candidate 1?
 ===============================================
 
diff -r acc7439b1406 Tools/i18n/msgfmt.py
--- a/Tools/i18n/msgfmt.py	Sat Aug 31 00:26:02 2013 +0200
+++ b/Tools/i18n/msgfmt.py	Wed Sep 04 20:50:33 2013 +0200
@@ -218,7 +218,7 @@
         if opt in ('-h', '--help'):
             usage(0)
         elif opt in ('-V', '--version'):
-            print("msgfmt.py", __version__, file=sys.stderr)
+            print("msgfmt.py", __version__, file=sys.stdout)
             sys.exit(0)
         elif opt in ('-o', '--output-file'):
             outfile = arg