[exim] Re: ARC

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Autor: Athanasius
Data:  
A: exim-users
Assumpte: [exim] Re: ARC
On Sat, Dec 16, 2023 at 06:55:53PM +0000, Jeremy Harris via Exim-users wrote:
> On 12/16/23 18:33, Randy Bush via Exim-users wrote:
> > with gobble et alia forcing ARC upon us[0]. i would hope it would be in
> > the distributed .debs
>
> To be fair to Debian, we still regard it as experimental - having
> had little evidence of it's actual use in the wild, and interoperability
> of the Exim implementation.
>
> So does the IETF; RFC 8617 is Experimental, not Standards-Track.
>
> As I read that G note, they only use it as a negative signal.


Just to be sure it wasn't a case of "nobody asked", I did:

    <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1058808>


So, yes, we're left with needing to compile a 'custom' exim4 package
ourselves[1], and then put the relevant packages on hold so this doesn't
get undone by a Debian update *and* then updating our custom packages
quickly if there's a security fix or similar.
Or *is* there some method within an exim4 configuration file to check
if a feature is available? If not, then attempting to run a 'vanilla'
Debian exim4 with a configuration that has ARC-related configuration
options will result in an error, yes ?

[1] - See `debian/rules` in an `apt-get source exim4` unpacking of the
sources.  You can get an `exim4-daemon-custom` package built with your
own options toggled.
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- Athanasius (he/him) = Athanasius(at)miggy.org / https://miggy.org/
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