On 2016-09-21 08:02, Jean-Christophe Bach wrote:

> > I conjecture that the BAD result in the case of Jean-Christophe's
> > message, #4 above, results from him inserting a non-standard X- header
> > in the signed MIME part.  I don't have an explanation for the other BAD
> > results.
> 
> OK, I try without any custom header (this email). I removed all my_hdr
> fields to try. Note that this email is sent from another computer than
> the previous one (dev-libs/libgcrypt-1.7.3, mail-client/mutt-1.5.24-r2,
> app-crypt/gnupg-2.1.14-r1).

And voila - this one is GOOD here!  Dragons slain: 1.

Of course, there's the question on how your sending mutt managed to
insert a MIME part header, reacting to a my_hdr directive - if in fact
all you did was a my_hdr.  That would definitely be a flea.

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