Hello.

I believe we can quite easily customize mailman 2.1 to match our needs.
The biggest challenge I see is a proper testing as I don't see it easy
to set up a local mailman instance. I've got a patch that changes:

- by date sorting will be done in reverse order
- default link of e.g. https://gcc.gnu.org/pipermail/gcc-patches/2020-April/ will
   point to sorting by date
- email date is added to the listing

Further changes would be possible but I'll need a cooperation from oversees people.

Thanks,
Martin