INN problem

[Christian Dickmann]

> > the correct error string is: "Hostname does not resolve or 'domain' in
> > inn.conf is missing"
> So like it says your host's name isn't resolving or You didn't put right
> things in inn.conf
really? why didn't i reallize it too??

I know what this message says, but how to solve the problem? 
i dont know how to configure my inn.conf
my computer name is linux.dickmann.de (dickmann.de is the domain)

Christian