On 6/06/2021 10:55 pm, Jeremy Harris via Exim-users wrote: > On 06/06/2021 13:31, Richard Salts via Exim-users wrote:
>> ARC won't sign relayed messages without an Authentication-Results
>> header, so I need to add it even with authenticated senders.
>
> Thinking on it, perhaps you mean your ARC, in your MSA role (being
> the first MTA in the chain, your user having authenticated to you.
> There is no particular reason to be ARC-signing in that case; it
> doesn't really count as a relay.