Re: Posioned MX is a bad idea [Was: Email forwarding and RBL trouble]

On Mon, 2007-08-27 at 12:59 -0700, Marc Perkel wrote:
> I've not run into a single instance where a legit server only tried
> the lowest MX. However, if I did there's a simple solution. If the
> fake lowest MX points to an IP on the same server as the working MX
> then you can use iptables to block port 25 on all IP addresses EXCEPT
> for the one broken server. That would fix the problem.

I think the question is how you would identify a FP occurred, short of a client screaming?

-- 
- Andy

The test of courage comes when we are in the minority. The test of 
tolerance comes when we are in the majority.
  - Ralph W. Sockman