On Wed, 19 Apr 2006, I wrote:
> It occurs to me that
>
> errno = 0
> call tcpwrappers
> if result is "reject" then
> if errno = 0 or errno = ENOENT then reject 5xx
> else reject 4xx
> fi
>
> is simple, and probably "does the right thing mostly".
Experiments have confirmed this. I have therefore added the code to
Exim and committed it. It will be in tonight's snapshot.
Philip
--
Philip Hazel, University of Cambridge Computing Service.