On Sun, 24 Nov 2019 at 23:34, Richard Damon
wrote:
> On 11/24/19 6:21 PM, Wesley Peng wrote:
> > Why it doesn’t break From: header SPF? Just curious
> >
> > On Mon, Nov 25, 2019, at 4:12 AM, Chris Wedgwood wrote:
> >> > Or in short: DMARC intentionally breaks every mailinglist and every
> >> > ma
That's great explation. Thanks Richard.
On Mon, Nov 25, 2019, at 7:33 AM, Richard Damon wrote:
> On 11/24/19 6:21 PM, Wesley Peng wrote:
> > Why it doesn’t break From: header SPF? Just curious
> >
> > On Mon, Nov 25, 2019, at 4:12 AM, Chris Wedgwood wrote:
> >> > Or in short: DMARC intentionally
On 11/24/19 6:21 PM, Wesley Peng wrote:
> Why it doesn’t break From: header SPF? Just curious
>
> On Mon, Nov 25, 2019, at 4:12 AM, Chris Wedgwood wrote:
>> > Or in short: DMARC intentionally breaks every mailinglist and every
>> > mail-forwarding. So, if a mail-provider uses a strict DMARC-polic
* Wesley Peng:
> Why it doesn’t break From: header SPF? Just curious
See https://tools.ietf.org/html/rfc7208, in particular the "MAIL FROM
Definition" section.
-Ralph
Why it doesn’t break From: header SPF? Just curious
On Mon, Nov 25, 2019, at 4:12 AM, Chris Wedgwood wrote:
> > Or in short: DMARC intentionally breaks every mailinglist and every
> > mail-forwarding. So, if a mail-provider uses a strict DMARC-policy,
> > it effectively says: "Our mail-addresses
On 11/24/19 3:12 PM, Chris Wedgwood wrote:
>> Or in short: DMARC intentionally breaks every mailinglist and every
>> mail-forwarding. So, if a mail-provider uses a strict DMARC-policy,
>> it effectively says: "Our mail-addresses may not be used for
>> mailinglists."
> this message (i am replying t
> Or in short: DMARC intentionally breaks every mailinglist and every
> mail-forwarding. So, if a mail-provider uses a strict DMARC-policy,
> it effectively says: "Our mail-addresses may not be used for
> mailinglists."
this message (i am replying to) from you on this mailing list is not
broken
On 11/23/19 12:30 PM, Ralph Seichter wrote:
> * Roland Köbler:
>
>> Or in short: DMARC intentionally breaks every mailinglist and every
>> mail-forwarding.
> I doubt that it is broken "intentionally". ;-)
>
> "[Ich habe] gefunden, daß Mißverständnisse und Trägheit vielleicht
> mehr Irrungen in
* Roland Köbler:
> Or in short: DMARC intentionally breaks every mailinglist and every
> mail-forwarding.
I doubt that it is broken "intentionally". ;-)
"[Ich habe] gefunden, daß Mißverständnisse und Trägheit vielleicht
mehr Irrungen in der Welt machen als List und Bosheit. Wenigstens sind
On 11/23/19 4:13 AM, Roland Köbler wrote:
> Hi,
>
>> when validating DMARC, it use the envelop address, or use from address from
>> the header?
> it unfortunately uses the from-header.
> (If it would use the envelope address, it would not cause that much
> problems.)
>
> Or in short: DMARC intenti
On 11/23/19 4:26 AM, Dominic Raferd wrote:
>
>
> On Sat, 23 Nov 2019 at 09:14, Roland Köbler
> mailto:rk-l...@simple-is-better.org>>
> wrote:
>
> Hi,
>
> > when validating DMARC, it use the envelop address, or use from
> address from the header?
> it unfortunately uses the from-head
I’m not sure , you may refer this discussion,
https://serverfault.com/questions/779730/why-dont-my-domains-messages-to-a-google-group-get-their-headers-rewritten-so
On Sat, Nov 23, 2019, at 7:23 PM, Jaroslaw Rafa wrote:
> Dnia 23.11.2019 o godz. 19:10:51 Wesley Peng pisze:
> >
> > if you have u
Dnia 23.11.2019 o godz. 19:10:51 Wesley Peng pisze:
>
> if you have used a mail.ru email for google groups, when you posted
> message to group, it will replace From header with the list address.
Does it re-sign the message then? Because replacing the From: header would
break DKIM, as this header
Hello
if you have used a mail.ru email for google groups, when you posted message to
group, it will replace From header with the list address.
On Sat, Nov 23, 2019, at 6:43 PM, Jaroslaw Rafa wrote:
> Dnia 23.11.2019 o godz. 17:19:53 Wesley Peng pisze:
> > Google groups replace the from: with th
Dnia 23.11.2019 o godz. 17:19:53 Wesley Peng pisze:
> Google groups replace the from: with their group address.
I have never seen it and I'm subscribed to many Google-based mailing lists.
They replace the envelope from address (like almost every mailing list
server does), but keep the original Fro
On Sat, 23 Nov 2019 at 09:14, Roland Köbler
wrote:
> Hi,
>
> > when validating DMARC, it use the envelop address, or use from address
> from the header?
> it unfortunately uses the from-header.
> (If it would use the envelope address, it would not cause that much
> problems.)
>
> Or in short: DMA
Google groups replace the from: with their group address. What I know the big
providers having strict DMARC setting are:
mail.ru
laposte.net
I am glad the more large providers like gmail, outlook don’t have this stupid
setting.
Regards
On Sat, Nov 23, 2019, at 5:13 PM, Roland Köbler wrote:
>
Hi,
> when validating DMARC, it use the envelop address, or use from address from
> the header?
it unfortunately uses the from-header.
(If it would use the envelope address, it would not cause that much
problems.)
Or in short: DMARC intentionally breaks every mailinglist and every
mail-forwardi
On 11/22/19 7:12 PM, Wesley Peng wrote:
> Hi
>
> when validating DMARC, it use the envelop address, or use from address
> from the header? Thanks
>
DMARC specifically says that validation is to be based on the From:
Header of the message (which is different than how SPF and DKIM work by
themselves
Hi
when validating DMARC, it use the envelop address, or use from address from the
header? Thanks
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