I am presently using WebAccessRedirect650.nsf, from the sandbox,as my home page and my redirecting tool for employees logging in for their mail.I see that I have additional functionality in a database called DOMCFG.NSF.
The DOMCFG.NSF is mainly used to customize “error-pages” (replacements for the “404”-type stuff) and login-pages (for session-based authentication) server-wide. It doesn’t provide redirection-capabilities. However, both work together fine (just independently of each other)