mail filtering based on reverse DNS

[Kurt Jaeger]

Hi!

> > I think rejecting on no DNS for ipv6 is going to be eve more a necessity
> > than ever before with all thee IP's being dished out to end users.
> 
> Without siding for or against this policy, I would say that the right
> time to get this hammered out is rapidly passing.  This is something
> that could, IMHO, still be enforced, albeit with some possible pain
> for existing IPv6 MTA operators depending on the outcome.  It might
> not be too late.

Yes, if the specs for the check are well-defined and easily testable.

That would be very a big help.

-- 
pi at opsec.eu            +49 171 3101372                         9 years to go !