[Mimedefang] change_header doesn't add header

[Marco Berizzi]

David F. Skoll wrote:

>Marco,
>
>I'm wondering if Sendmail treats the "Precedence:" header specially.
>Could you try adding a different header?
>
>       action_change_header('X-My-Custom-Header', 'For testing!');
>
>If that works, then obviously Sendmail doesn't like milters to
>change the Precedence: header for some reason.

No. It doesn't add any header. I have also set the index number (set to 1).
If it doesn't hurt you I can sent you privately my full mimedefang-filter.