public void addAttachment( String filePath )
public void addAttachment( InputStream in, String fileName ) throws MessagingException
    public void addAttachment( String filePath )    {        MimeBodyPart mbp = new MimeBodyPart();        try        {            FileDataSource fds = new FileDataSource( filePath );            mbp.setDataHandler( new DataHandler( fds ) );            mbp.setFileName( fds.getFile().getName() );            mp.addBodyPart( mbp );        }        catch ( MessagingException e )        {            e.printStackTrace();        }    }