CAUCE (The Coalition Against Unsolicited Commercial Email)
CAUCE, The Coalition Against Unsolicited Commercial Email is an ad hoc, all volunteer organization, created by Netizens to advocate for a legislative solution to the problem of UCE (a/k/a "spam").
http://www.cauce.org/
MAPS (Mail Abuse Prevention System)
MAPS is a not-for-profit California organization whose mission is to defend the Internet's e-mail system from abuse by spammers. Their principal means of accomplishing this mission is by educating and encouraging ISP's to enforce strong terms and conditions prohibiting their customers from engaging in abusive e-mail practices.
http://mail-abuse.org/
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