On Mon, Sep 19, 2016, Ian Zimmerman wrote:
> On 2016-09-19 03:39, Claus Assmann wrote:

> > went wrong with the mail that you got (and maybe compare it with
> > the same mail stored in some archive?).

> The BADs I see are with multipart/signed emails, like all the signed

So download the same mail from an archive and compare it with the
one that you have on your system. Let us know what you find.