[AusNOG] IPv6 reverse DNS and Mail ...

[staticsafe]

On Mon, May 20, 2013 at 02:27:16PM +1000, Paul Brooks wrote:
> On 20/05/2013 2:06 PM, Scott Howard wrote:
> > How many of these are from people that are actually aware that they are actually
> > using IPv6 for email?
> >
> > I've seen this countless time where people enabled IPv6 on their local network, and
> > their mail server automatically started attempting to use it for delivery.  At least
> > one major appliance vendor also has this problem - as soon as it found an IPv6
> > router being advertised, it would attempt to deliver all mail over IPv6 to any host
> > with an AAAA address - all sourced from it's auto-configured address with no reverse
> > DNS...
> Which is how IPv6 is supposed to work, no?
> 
> P.

Sure, but isn't it also common sense to assign addresses to *servers* in a
static manner and configure RDNS as necessary?
-- 
staticsafe
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