Kat, sponsorship-committee is a mailing list with a set of admins (Neil in this case), if you are required to have that m-l being able to receive emails (on the To or CC fields) from an email that doesn't match the destination (sponsorship-committee@gnome.org) you have to land an alias on the aforementioned URL, that's what I added. The additional point was you don't need external help as mailing lists are self-service in pretty much all the cases. If that's not what you requested please let me know.