[ClusterLabs] Antw: [EXT] Re: @ maillist Admins ‑ DMARC (yahoo)
Ulrich.Windl at rz.uni-regensburg.de
Tue Jul 13 04:23:14 EDT 2021
>>> <kgaillot at redhat.com> schrieb am 12.07.2021 um 16:50 in Nachricht
<08471514b28d1e3f6859707f5951f07887336865.camel at redhat.com>:
> On Sat, 2021‑07‑10 at 12:34 +0100, lejeczek wrote:
>> Hi Admins(of this mailing list)
>> Could you please fix in DMARC(s) so those of us who are on
>> Yahoo would be able to receive own emails/thread.
>> many thanks, L.
> I suppose we should do something, since this is likely to be more of an
> issue as time goes on. Unfortunately, it's not as simple as flipping a
> switch. These are the two reasonable choices:
> (1) Change the "From" on list messages so that they appear to be from
> the list, rather than the poster. For example, your posts would show up
> as "From: lejeczek via ClusterLabs Users <users at clusterlabs.org>"
> rather than "From: lejeczek <peljasz at yahoo.co.uk>". This is less
> intrusive but makes it more difficult to reply directly to the sender,
> add the sender to an address book, etc.
> (2) Stop adding [ClusterLabs] to subject lines, setting ReplyTo: to the
> list instead of original author, and adding the list signature. This is
> more standards‑compliant, since the List‑* headers can still be used
> for filtering, unsubscribing, and replying to the list, but not all
> mail clients make those easy to use.
> Anyone have preferences for one over the other?
I have no idea about DMARC, so I'm qualified for an opinion ;-)
My guess is that the changes mentioned to the original message make the DMARC
IMHO the best solution would be to (if at all) chack DMARC on receipt, and
"re-sign" before sending it out to the list.
> (Less reasonable options include wrapping every post in MIME, and
> disallowing users from DMARC domains to post to the list.)
> Ken Gaillot <kgaillot at redhat.com>
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