On 25/09/2023 08:10, Cyborg via Exim-users wrote:
> acl_smtp_dkim = acl_check_dkim
>
> acl_check_dkim:
>
> # skip if it's from an authenticated user
> accept condition = ${if eq{$authenticated_id}{} {0}{1}}
>
> deny sender_domains = $sender_address_domain
> dkim_signers = $sender_address_domain:$dkim_signers
> dkim_status = none:invalid:fail
> log_message = "DKIM: Mail from $sender_address_domain rejected with $dkim_verify_status"
> message = "DKIM FAILED - SIGNATURE INVALID"
>
> accept
>
> acl_check_data:
> ...
> deny condition = ${if eq{$h_DKIM-Signature:}{}{1}{0}}
> condition = ${if eq{$authenticated_id}{} {1}{0}}
> log_message = "NO DKIM-SIGNATURE found"
> message = "NO DKIM-SIGNATURE found, but it is required by the receiver"
> ...
Overkill.
acl_check_mail:
...
# save computation effort
warn condition = ${if def:authenticated_id}
control = dkim_disable_verify
...
acl_check_data:
...
deny condition = ${if !inlist {pass}{$dkim_verify_status}}
--
Cheers,
Jeremy
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