Re: [exim] How to use DKIM with Ed25519 - Dual DKIM signing

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Autor: Evgeniy Berdnikov
Data:  
Para: exim-users
Asunto: Re: [exim] How to use DKIM with Ed25519 - Dual DKIM signing
On Thu, Oct 14, 2021 at 05:50:23PM +0300, Odhiambo Washington via Exim-users wrote:
> On Thu, Oct 14, 2021 at 4:25 PM Evgeniy Berdnikov via Exim-users <
> exim-users@???> wrote:
> > |  dkim_selector        Use: smtp       Type: string list†      Default:
> > unset
> > |
> > |  This sets the key selector string. After expansion, which can use
> > |  $dkim_domain, this can be a list. Each element in turn is put in the
> > |  expansion variable $dkim_selector which may be used in the
> > |  dkim_private_key option along with $dkim_domain.

> >
> > Does the assignment dkim_selector="key1:key2" work?
> >
>
> I don't think that would work, because I have to then match a selector to a
> key.


The last sentense in the cited paragraph explains how this match works.
Read it again carefully. Description of dkim_private_key repeats it:

|  dkim_private_key     Use: smtp     Type: string†     Default: unset

|
| This sets the private key to use. You can use the $dkim_domain and
| $dkim_selector expansion variables to determine the private key to use.

--
Eugene Berdnikov