Some authors have reported problems in reaching the Jurix 2004 online submission system at http://vortex.uvt.nl/conftool/index.php .This is due to the fact that some DNS servers have an outdated cache.

Alternative routes to the submission system are:
http://pi1980.uvt.nl/conftool/index.php or
http://137.56.43.202/conftool/index.php