Autor: Jeremy Harris Datum: To: exim-users Betreff: Re: [exim] ARC signing and verification
On 22/04/2020 20:10, Tom Crane via Exim-users wrote: > Now I get "ARC: no Authentication-Results header for signing" logs for
> each email processed in /var/log/exim/main.log and no emails get any
> ARC-* header fields added or an added "Authentication-Results:" field.
>
> From the experimental-spec.txt file,
> Caveats:
> * There must be an Authentication-Results header, presumably added
> by an ACL
> while receiving the message, for the same ADMD, for arc_sign to
> succeed.
> This requires careful coordination between inbound and outbound
> logic.
>
> Is this the reason I get no ARC-* header added?
Yes
> If so why is the above
> add_header statement not doing so?
Did your test mail go through that ACL? Did the logwrite show in the
log?