Re: OT: fighting rbl's

[Thomas Zehetbauer]

On Die, 2004-11-30 at 15:31 +0000, Paul Howarth wrote:
> Having reverse DNS with a non-generic-looking name is also a good way of 
> demonstrating that the IPs are static rather than dynamic.

I have that.
> Last week, over on SPAM-L, an Israeli ISP listed their dynamic IP range and 
> *requested* that everyone block it until they could get their outgoing port 25 
> block in place.

Great, what does this prove?
> As the OP actually has a static IP, the real solution for that should be to 
> get the incorrect listings fixed, rather than stopping using dynamic IP lists 
> altogether.

It would be more useful to implement SPF and block every domain that
does not designate senders.

Tom