Hi , I am using the javamail api in a webapplication we are developing. In order to pass a session object to the constructor of a MIMEMessage object I was using the syntax Session session = Session.getDefaultInstance(props, null); where props was the property object that contained information like SMTPHost etc. It works fine for all scenarios except where I need to update the property of the session for e.g if I had given a wrong SMTP host name and I now want to change it, the change is not reflected till I restart the web server. The definition of the getDefaultInstance method syas that is is expected behviour since in case of getDefaultInstance the properties are read by the session object the very first time it is created .After that it is ignored. The other alternative would be to use the session.getInstance() method which creates a new session object on every call. I just wanted to know whether there is any major downside in using the getInstance method instead of thegetDefaultInstance method since there will a lot of emails sent in our application due to a comprehensive notifiaction mechanism. Thanks in advance. Regards, Siva S
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