gordon v cormack zixgfqeiuwaterlooca ceas 2007 live spam challenge thursday august 2nd friday august 3rd 2007 microsoft research silicon valley mountain view california call participation conference email antispam ceas invites participation ceas live spam challenge participants compete filtering live 24hour email stream delivered using standard protocols smtp imap4 pop3 types antispam technology welcome including servers appliances proxies personal filters participants allowed use network resource including realtime blacklists realtime whitelists reversedns queries privately owned updated databases simulated userfeedback provided train learningbased filters filters evaluated based weighted combination percentage spam blocked false positive percentage challenge held conjunction fourth annual conference email antispam ceas conference registration attendance required participation please see httpwwwceasccchallenge competition details instructions joining competition email list key dates toolkit available may 1st 2007 test stream beginning may 1st 2007 competition august 2nd august 3rd 2007 contact organizers reached informationceascc organizers richard segal ibm research httpwwwresearchibmcompeoplerrsegal gordon cormack university waterloo httpplguwaterloocagvcormac ceasannounce mailing list hwgfqazypeenlistsstanfordedu httpsmailmanstanfordedumailmanlistinfoceasannounce tue 05 aug 2008 193235 0400 ceas 2007 live spam challenge