The Increasing Problem Of FOSS Mailing List Flooding Attacks

This is a guest post by Tom Li, a Phoronix reader wishing to share his views on the increasing problems of free/open-source software public mailing lists being flooded with spam and other garbage. There are some extreme situations where there can be "flooding attacks" of list subscribers receiving thousands of mailing list messages per day from attackers. Tom is hoping the open-source community can come up with better solutions to fend off this problem...