Re: comcast ipv6 PTR

[Cutler James R <james.cutler () consultant com>]

On Oct 15, 2013, at 2:55 PM, Chris Adams <cma () cmadams net> wrote:

> Once upon a time, Barry Shein <bzs () world std com> said:
> > On October 15, 2013 at 03:31 johnl () 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 () cmadams net>

Semantically confusing --

From wooledge.org:

Mail Submission Agent (MSA): a relatively new term in the e-mail field. 

This is the component of an MTA which accepts new mail messages from an MUA, using SMTP.
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