TREC has a spam corpus albeit dated at this point http://plg.uwaterloo.ca/~gvcormac/treccorpus/ http://plg.uwaterloo.ca/~gvcormac/treccorpus/ 92k messages, 52

TREC has a spam corpus albeit dated at this point http://plg.uwaterloo.ca/~gvcormac/treccorpus/ http://plg.uwaterloo.ca/~gvcormac/treccorpus/ 92k messages, 52k of which are labelled as spam messages in the 05 corpus. Totals 300mb or so