fix: writing mail with no content

process/Email_lib/process.js

@@ -127,6 +127,8 @@ Email.prototype.getRFCmail = function ()
 
     if (this.body)
         mail.addText(mailId, this.body, "text/html", ENCODING, null);
+    else
+        mail.addText(mailId, "", "text/html", ENCODING, null);
     
     //"X-Unsent" is a very badly, non-standardised header to gently ask the mail client that the mail should open in a compose-mode
     //this is mainly done for Microsoft Outlook for Windows.