comcast ipv6 PTR

[cma at cmadams.net (Chris Adams)]

Once upon a time, Barry Shein <bzs at world.std.com> said:
> 
> On October 15, 2013 at 03:31 johnl at iecc.com (John Levine) wrote:
>  > >it's a lot of work for example.com to return something like:
>  > >
>  > >   2001-0db8-85a3-0042-1000-8a2e-0370-7334.example.com
>  > 
>  > Add some NSEC3 records and, yeah, it's a lot of work.  And for what?
> 
> Many mail servers require it as a minimum standard for speaking to
> their MTA.

Random end users shouldn't be talking to MTAs.  They should be using
MSAs instead.
-- 
Chris Adams <cma at cmadams.net>