[rt-users] mail problem

[naveen]

Hi,
        I have just installed  rt-1.0.7  on RedHat 7.0.But when i try to
click on
reply for any user in it shows that correspondence is dne,but actually
it does't happen.It gives the following error

[Tue Mar  6 16:14:21 2001] [error] [client 192.168.1.68] (13)Permission
denied: mod_mime_magic: can't read `/opt/rt/bin/cgi/webrt.cgi'

can any body help me?
and one more query can we use  QMAIL instead of SENDMAIL if possible
tell the settings for that
thanks
Naveen