On Fri, Nov 07, 2008 at 04:20:17PM +0200, Henrik K wrote:
> On Fri, Nov 07, 2008 at 03:09:29PM +0100, Per Jessen wrote:
> >
> > I'm not sure I like the ideas of whitelisting based on IP-addresses,
> > it's too inflexible. Why would you not use hostnames?

>
> Hmm.. ok I think you both (mouss) are right. Ignore my last post. The trust
> would go from hostname to hostname, so it's ok. Too little time to think.
> IMO the right option is wildcards. You might as well ask then, why can't the
> sender part be regexed for convienence..


One thing I still have to add. IPs are a pretty foolproof way to whitelist.
With hostnames there is a bigger change of failure (by just using a domain
instead of exact hostname, letting f.e. dialup users from the domain forge
the path).