Can we discuss the next steps for PQC signing for DKIM/DKIM2?  I think the
algorithm choice has settled on ML-DSA-44 but there is debate around hybrid
and non-hybrid constructs.  This risks repeating some of the contentious
conversations that already occurred in the TLS WG.  One saving grace is
that DKIM2 supports multiple signatures per DKIM2 signature header field,
which might offer a solution.  Alternatively it could be whatever approach
people want to rally behind.
-Wei

On Fri, Sep 18, 2026 at 1:20 PM Murray S. Kucherawy <[email protected]>
wrote:

> Colleagues,
>
> This is a reminder that we have an interim meeting scheduled for
> 13:00-15:00 PDT (20:00-22:00 UTC) on Wednesday, September 23rd.
>
> Proposed agenda items:
>
> * From header field authentication (Richard?)
> * Modifying DMARC to support DKIM2 (Wei?)
> * AOB
>
> Please suggest changes to the above or any additions by COB Monday,
> September 21st.
>
> -MSK, for the Chairs
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