Daniel Gerald Kluge writes:
> Hija,
> we're gona replace a machine (SS1+), which serves for various purposes, like 
> mail-host, www-cache, remote-logins and so forth.
>
> [ ... ]
>
> P.S. The new machine will be a SS20 with probabely 16-32MB of ram

Make 32MB a minimum, 64MB if possible, especially as a mail host and
www cache. That will make more difference in a lot of cases that
increasing CPU.