RC auto email creation

[MObeta]

Hi anyone, I am trying to the HWS Roundcude Auto Account Creation & administration Installation in an cPanel environment but am getting this warning message:

Warning:/fopen(http://[email protected]/frontend/x/mail/doaddpop.html?email=myusername@&domain=mydomain.com&password=mypassword"a=10) [function.fopen]: failed to open stream: HTTP request failed! HTTP/1.0 404 Not Found in /home/mydomain/public_html/mail/emsu/install/do_install.php on line 116

Warning: feof(): supplied argument is not a valid stream resource in /home/mydomain/public_html/mail/emsu/install/do_install.php on line 121

Warning: fgets(): supplied argument is not a valid stream resource in /home/mydomain/public_html/mail/emsu/install/do_install.php on line 122

Any ideas? am a newbee on this stuff I just want visitor to be able to sign up for an account on my site.

thanks

Mobeta