Hi!
Recently, I came upon a problem without a solution:
If I trigger an autoreply (for example because of vacations),
how do I get the system to add a DKIM-header for the proper domain ?
This post describes that the recipient of the autoreply
can check the signature by looking for the d= field
i
On 14/08/2024 14:31, Kurt Jaeger via Exim-users wrote:
The problem is that the autoreply driver looses the information
on which sender is used to send out the mail (envelope-from is <>
to avoid mail-loops).
More to the point, there *is no* sender.
It is your choice what to use for a domain for
Hi!
> On 14/08/2024 14:31, Kurt Jaeger via Exim-users wrote:
> > The problem is that the autoreply driver looses the information
> > on which sender is used to send out the mail (envelope-from is <>
> > to avoid mail-loops).
>
> More to the point, there *is no* sender.
I understand, this avoids
On 14/08/2024 15:27, Kurt Jaeger via Exim-users wrote:
So: user1@domain1 has an autoreply, and the autoreply
should be signed with dkim for domain1.
I do not agree.
The DKIM RFC says that anyone can sign a message.
--
Cheers,
Jeremy
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> On 14/08/2024 15:27, Kurt Jaeger via Exim-users wrote:
> > So: user1@domain1 has an autoreply, and the autoreply
> > should be signed with dkim for domain1.
>
> I do not agree.
> The DKIM RFC says that anyone can sign a message.
As a practical matter, we[*] have observed GMail rejecting email
me
Hi!
> > On 14/08/2024 15:27, Kurt Jaeger via Exim-users wrote:
> > > So: user1@domain1 has an autoreply, and the autoreply
> > > should be signed with dkim for domain1.
> >
> > I do not agree.
> > The DKIM RFC says that anyone can sign a message.
>
> As a practical matter, we[*] have observed GMa
On 2024-08-14 Chris Siebenmann via Exim-users wrote:
> > On 14/08/2024 15:27, Kurt Jaeger via Exim-users wrote:
> > > So: user1@domain1 has an autoreply, and the autoreply
> > > should be signed with dkim for domain1.
> > I do not agree.
> > The DKIM RFC says that anyone can sign a message.
> As
> On 2024-08-14 Chris Siebenmann via Exim-users
> wrote:
> > > On 14/08/2024 15:27, Kurt Jaeger via Exim-users wrote:
> > > > So: user1@domain1 has an autoreply, and the autoreply
> > > > should be signed with dkim for domain1.
>
> > > I do not agree.
> > > The DKIM RFC says that anyone can sign
> > As a practical matter, we[*] have observed GMail rejecting email
> > messages with claims that they are doing so because the DKIM signature
> > domain didn't match the From: domain. After observing this, we switched
> > to signing messages with a domain that matched the From: (and generally
> >
Hi!
> On 14/08/2024 15:27, Kurt Jaeger via Exim-users wrote:
> > So: user1@domain1 has an autoreply, and the autoreply
> > should be signed with dkim for domain1.
>
> I do not agree.
> The DKIM RFC says that anyone can sign a message.
Maybe signing it with some other domain works. Still the ques
Hi!
> Maybe signing it with some other domain works. Still the question
> is: Can it also be signed with the domain one *wants* to use
> for this kind of autoreply ?
>
> Would it hurt to implement a mechanism for this ?
>
> How does autoreply know which mail-from it should use ?
>
> I found thi
On 2024-08-14, Jeremy Harris via Exim-users wrote:
> On 14/08/2024 15:27, Kurt Jaeger via Exim-users wrote:
>> So: user1@domain1 has an autoreply, and the autoreply
>> should be signed with dkim for domain1.
>
> I do not agree.
> The DKIM RFC says that anyone can sign a message.
Yes, but it also
Hi!
> On 2024-08-14, Jeremy Harris via Exim-users wrote:
> > On 14/08/2024 15:27, Kurt Jaeger via Exim-users wrote:
> >> So: user1@domain1 has an autoreply, and the autoreply
> >> should be signed with dkim for domain1.
> >
> > I do not agree.
> > The DKIM RFC says that anyone can sign a message.
Kurt Jaeger via Exim-users (Mi 14 Aug 2024 15:31:35
CEST):
> The problem is that the autoreply driver looses the information
> on which sender is used to send out the mail (envelope-from is <>
> to avoid mail-loops).
Maybe I'm a bit naіv here. I'd set the From: of the autoreply to a
sensible val
Dňa 14. augusta 2024 20:58:37 UTC používateľ Heiko Schlittermann via Exim-users
napísal:
>IMHO DMARC requires from: <-> DKIM alignment too, plus from: <->
>mail-from alignment, as someone else pointed out in this thread already.
AFAIK success DMARC requires:
(dkim AND align d= with MIME_Fro
On Wed, Aug 14, 2024 at 08:25:30PM +0100, Julian Bradfield via Exim-users wrote:
> > I do not agree.
> > The DKIM RFC says that anyone can sign a message.
>
> Yes, but it also says very clearly that it's up to the Identity
> Assessor to decide what, if any, trust to place in a message signed by
>
Am 14.08.24 um 15:31 schrieb Kurt Jaeger via Exim-users:
Hi!
Recently, I came upon a problem without a solution:
If I trigger an autoreply (for example because of vacations),
how do I get the system to add a DKIM-header for the proper domain ?
Because of the <> envelope-from, how can the prop
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