Investigates tools and techniques to mitigate the effects of spam.

Telecommunications Research and Action Center (TRAC), the nation's oldest and largest telecommunications consumer group.

Fight Spam in Australia [CAUCE Partner]

Coalition Against Unsolicited Commercial Email - the preeminent anti-spam group.

Stopping spam in India.

CAUCE partner in EU.

Organization working to eliminate blocking of a particular netblock.

Providing analysis, information, and consulting on industry issues relating to public policies and processes regarding spam, email, and the Internet.

MAPS maintains the Realtime Blackhole List.

Working to free inboxes of spam. Find news, tools, resources and contact information.

Organization that fights SPAM and offers SPAM-fighting techniques. Both in French and in English since 1996.

Supports measures to reduce spam. Newsletters, mission statement, and history.