Re: Extension "envelope-auth"?

Michael Haardt wrote:

> Hello,
>
> some time ago, we talked about "envelope-auth" to introduce "auth" to the
> envelope test, which accesses the authenticated sender (AUTH parameter
> in MAIL FROM, in case the mail system decides not to ignore it, and an
> empty string otherwise).
>
> Is there a draft already or somebody working on it?
>  
If I remember correctly Ned has volunteered to author it.