Index: JndiJavamailMailSender.java
===================================================================
--- JndiJavamailMailSender.java	(revision 7332)
+++ JndiJavamailMailSender.java	(working copy)
@@ -52,7 +52,7 @@
         {
             Context ctx = new InitialContext();
             Session s = (Session) ctx.lookup( jndiSessionName );
-            Properties props = new Properties( s.getProperties() );
+            Properties props = s.getProperties();
 
             if ( "smtps".equals( props.getProperty( AbstractJavamailMailSender.MAIL_TRANSPORT_PROTOCOL ) ) )
             {
@@ -64,7 +64,7 @@
                 props.put( AbstractJavamailMailSender.MAIL_SMTP_TIMEOUT, "30000" );
             }
 
-            return Session.getInstance( props, null );
+            return s;
         }
         catch ( NamingException e )
         {