How do I post to the wxPython mailing list?

[Terry Reedy]

mmanns at gmx.net wrote:
> Hi
> 
> Since I have been told in this group to post wxPython related topics in
> the wxPython-users mailing list instead of here, I just tried doing
> that.
> 
> However, I always get an error message back when using gmane.

Which is ???