Subscribing people to the mailing lists still doesn't work
https://gitlab.gnugen.ch/gnugen/members-management/-/commit/20aefaa1b6c8e4ee8c371b6b9a2e4ec887b2905a isn't quite enough apparently.
[4001] warn @0.401056> [hit #18]/usr/bin/gnugen-members-mlmmj-sub exited with status 256 in /usr/share/perl5/GnuGeneration/MembersApp/members.pm l. 95
Running the script manually works, though:
sudo -u gnugen-members-management /usr/bin/gnugen-members-mlmmj-sub someone@epfl.ch