Wietse Venema:
> Ricardo Signes:
> > DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com;
> > s=s2048;
> > t=1412607024; bh=ZJ8Kpz6ZlqWM7sz40HW3fMAm5i4O9s27k2poen3h01U=;
> >
> > h=Received:Received:Received:X-Yahoo-Newman-Property:X-Yahoo-Newman-Id:X-YMail-OSG:Date:From:Reply-To:To:Message-ID:Subject:MIME-Version:Content-Type:Content-Length:From:Subject;
> > ...
> >
> > Putting everything else aside, THEY SIGNED CONTENT-LENGTH.
> >
> > Unless I am mistaken, cleanup(8) quite reasonably *deletes* Content-Length.
>
> Good catch. Unfortunately, this behavior is not configurable.
> Changing Postfix behavior requires either patching one bit in the
> executable file, or rebuilding Postfix from source.
I'm hunting down people who might be able to do something about this
on the sending side.
Wietse