Hello,
Google search is the option I've looked for.I've tried it with "site:sparemint.org" which doesn't work at all, as the real name is "sparemint.atariforge.net".
please read again my post. What i suggest is to put a bit more than "site:sparemint.org" : i proposed to ask google with "site:sparemint.atariforge.net/mailinglist" and i works for me.
HTH, Arnaud.