From: Chris Knadle <Chris.Knadle@coredump.us>
To: mlmmj@mlmmj.org
Subject: Re: [mlmmj] mlmmj and DKIM
Date: Tue, 24 Jun 2014 19:23:02 +0000 [thread overview]
Message-ID: <3213660.4D4aqjQXdI@trelane> (raw)
In-Reply-To: <53A949B5.8070300@uffe.org>
On Tuesday, June 24, 2014 15:41:11 Uffe Jakobsen wrote:
> On 2014-06-24 13:19, Chris Knadle wrote:
> > On Tuesday, June 24, 2014 12:08:41 Uffe Jakobsen wrote:
> >> On 2014-06-24 12:00, Yuri D'Elia wrote:
> >>> On 06/24/2014 11:49 AM, Uffe Jakobsen wrote:
> >>>> Their posts to the lists gets rejected by receiving parts (sites) that
> >>>> check for DKIM validity - hotmail.com being one site that seem to
> >>>> reject
> >>>> the most.
> >>>>
> >>>> One approach would be to setup proper SRS - I guess - but the number of
> >>>> lists and users that I have are quite low - and hence i was looking for
> >>>> an "easier" solution...
> >>>>
> >>>> Any suggestions - How do you approach such problems ?
> >>>
> >>> Yes, either just forward the message (do not change the content/reply-to
> >>> or anything else) or strip DKIM-Signature from incoming messages (using
> >>> delheaders).
> >>>
> >>> The latter will not work if DMARC is being used, but I didn't have
> >>> problems so far. YMMV.
> >>
> >> Well, I've tried both your suggestions
> >>
> >> The sending domain in question is @post11.tele.dk - and in that
> >> combination the most problems is seen with recipients @hotmail.com
> >>
> >> 1) Plain forwarded messages from DKIM domains are rejected by hotmail. I
> >> guess that they look at MAIL FROM and RCPT TO as well....
> >>
> >> 2) Stripping DKIM headers does not seem til help either - hotmail.com
> >> still rejects.
> >
> > It looks like tele.dk is another domain that is now using DMARC with
> > "p=reject" like AOL and Yahoo:( are. Here's the test as to why I think
> > that's>
> > what's going on:
> > $ dig _dmarc.tele.dk txt +short
> > "v=DMARC1\; p=reject\; sp=none\; pct\x100\;"
>
> Ok, I need to read up on DMARC...
>
> Would such DMARC record as stated above have an effect on a subdomain as
> @post11.tele.dk ?
It isn't clear. This is what I'm able to find on the subject so far:
http://dmarc.org/faq.html#s_21
-- Chris
--
Chris Knadle
Chris.Knadle@coredump.us
next prev parent reply other threads:[~2014-06-24 19:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-24 9:49 [mlmmj] mlmmj and DKIM Uffe Jakobsen
2014-06-24 10:08 ` Uffe Jakobsen
2014-06-24 11:19 ` Chris Knadle
2014-06-24 13:41 ` Uffe Jakobsen
2014-06-24 19:23 ` Chris Knadle [this message]
2014-06-25 6:32 ` A. Schulze
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