[syslinux] dmarc_moderaction_action

Gene Cumm gene.cumm at yahoo.com
Sun Jan 4 12:33:12 PST 2015


On Sunday, January 4, 2015 12:53 PM, Geert Stappers <stappers at stappers.nl> wrote:
> On Sun, Jan 04, 2015 at 03:14:51PM +0100, Geert Stappers wrote:
> > >  dmarc_moderation_action (privacy): Action to take when anyone posts
> > >    to the list from a domain with a DMARC Reject/Quarantine Policy.
> > >
> > >    Wrap Message -- applies the "from_is_list Wrap Message" transformation
> > >      to these messages.
> > >
> > >  from_is_list (general): Replace the From: header address with the
> > >    list's posting address to mitigate issues stemming from the original
> > >    From: domain's DMARC or similar policies.
> > >
> > >  Wrap Message
> > >    Just wrap the message in an outer message with the From: header
> > >    containing the list's posting address and with the original From:
> > >    address added to the addresses in the original Reply-To: header and
> > >    with Content-Type: message/rfc822. This is effectively a one message
> > >    MIME format digest.
> > >
> > > Just, 2015-01-04, 12:30 UTC, was dmarc_moderation_action set to 'Wrap Message'
> >
> > A first message came through,
> 
> A first message from yahoo.com ( http://www.syslinux.org/archives/2015-January/023060.html )
> did arive at my e-mail server, _without_ modified 'From:', _without_ Content-Type: message/rfc822
> and _without_ 'Reply-To' header.
> 
> I have pressed (again??) "submit" in the mailman web interface,
> loaded another mailman admin webpage, reloaded the page 'dmarc_moderation_action'
> and have seen the setting 'Wrap Message'


In reading Mailman docs, there are sometimes where apply is enough and sometimes a daemon restart is needed (though docs would indicate this isn't needed for this).
 
> > we shall see how it goes further.
> 
> As in "Let it happen". There will be messages from domains that
> have DMARC policy "reject". I have you such an address, use it. Try to do
> two things at the same time: Regular postings and "test DMARC postings".


Hope this is wrapped.  From web client.


> Groeten
> Geert Stappers
> 
> $ host -t txt _dmarc.yahoo.com
> _dmarc.yahoo.com descriptive text "v=DMARC1\; p=reject\; sp=none\; pct=100\; rua=mailto:dmarc-yahoo-rua at yahoo-inc.com, mailto:dmarc_y_rua at yahoo.com\;"


p=reject is the annoying and aggressive part.


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