we use Volera Excelerator 2.3 ( alternative Bordermager 3.5 )and Mozilla
1.7 Browser for Internetworking.
Some Users have to work on a Special Website, were they have to log in.
The Server is a simple Apache 1.3.9 with htaccess and NTLM.
With IE or Opera is the authentication via Proxy no Problem. With Mozilla
without Proxy also. If we use the Mozilla with the Excelerator, we can not
authenticate on this website. After login we get HTTP 400.
What can it be?

With best regards