diff --git a/ETS-WS/ETS-WS/WebShipUtils.cs b/ETS-WS/ETS-WS/WebShipUtils.cs
index ed6920d..65ab71d 100644
--- a/ETS-WS/ETS-WS/WebShipUtils.cs
+++ b/ETS-WS/ETS-WS/WebShipUtils.cs
@@ -382,6 +382,10 @@ namespace ETS_WS
 
             DirectoryInfo dir = new DirectoryInfo(destFolder);
             FileInfo file = dir.GetFiles("*.eml", SearchOption.TopDirectoryOnly).OrderByDescending(m => m.CreationTimeUtc).First();
+            // hack: inserisco il campo "non inviato" nel file di testo della email... "X-Unsent: 1"
+            StreamWriter sw = file.AppendText();
+            sw.Write("X-Unsent: 1");
+            sw.Flush();
             return file.Name;
         }
         /// <summary>
diff --git a/ETS-WS/ETS-WS/bin/ETS-WS.dll b/ETS-WS/ETS-WS/bin/ETS-WS.dll
index 21c72a4..d459a36 100644
Binary files a/ETS-WS/ETS-WS/bin/ETS-WS.dll and b/ETS-WS/ETS-WS/bin/ETS-WS.dll differ