Index: Lib/email/generator.py
===================================================================
--- Lib/email/generator.py	(revision 58469)
+++ Lib/email/generator.py	(working copy)
@@ -288,7 +288,7 @@
         for part in msg.walk():
             maintype = part.get_content_maintype()
             if maintype == 'text':
-                print(part.get_payload(decode=True), file=self)
+                print(part.get_payload(decode=False), file=self)
             elif maintype == 'multipart':
                 # Just skip this
                 pass