[mod_python] Authentication and Publisher Handler

hi,
i am reffering to :
http://www.modpython.org/live/mod_python-2.7.8/doc-html/tut-more-complicated.html
after all i get Internal Server Error.
actually is it completely the same if i put 
AddHandler python-program .py
PythonHandler myscript
PythonAuthenHandler myscript
in apaches httpd.conf or .htaccess ?

and

http://www.modpython.org/live/mod_python-2.7.8/doc-html/tut-pub.html
there are 3 files : config, html file and form.py
i created it, but when i submit the html form, :
The requested URL /mptesting/form/email was not found on this server

thanks
Ales Zemene
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