The email I just wrote came with the correct set of headers.
On Mon, 2012-09-17 at 22:13 +0200, Stefan G. Weichinger wrote:
Am 17.09.2012 22:09, schrieb Michael Tremer:
I had a look at an older email, which had these headers...
Restarted mailman and disabled -> enabled the RFC 2369 option.
Let's see...
I don't see it :-)
As mentioned: I can filter for other header-info.
AFAI know mailman is capable to provide that info, as I use it for many other lists.
Stefan