Re: Yahoo DMARC breakage

[Jim Popovitch <jimpop () gmail com>]

On Wed, Apr 9, 2014 at 8:12 PM, William Herrin <bill () herrin us> wrote:
> On Wed, Apr 9, 2014 at 6:11 PM,  <bmanning () vacation karoshi com> wrote:
> >         and just how is an algorithm supposed to detect that
> >         <jeff-kell () utc edu> is a single human and not a list?
>
> If the autoresponder is sane, it looks for:
>
> List-Id: North American Network Operators Group <nanog.nanog.org>
> List-Unsubscribe: <http://mailman.nanog.org/mailman/options/nanog>,
>  <mailto:nanog-request () nanog org?subject=unsubscribe>
> List-Archive: <http://mailman.nanog.org/pipermail/nanog/>
> List-Post: <mailto:nanog () nanog org>
> List-Help: <mailto:nanog-request () nanog org?subject=help>
> List-Subscribe: <http://mailman.nanog.org/mailman/listinfo/nanog>,
>  <mailto:nanog-request () nanog org?subject=subscribe>
> Precedence: list

and if the autoresponder/MUA is smart it only autoresponds where To:
is the target address.

-Jim P.