John R. Levine

John R. Levine is an Internet author and consultant specializing in email infrastructure, spam filtering, and software patents.

He chaired the Anti-Spam Research Group (ASRG) of the Internet Research Task Force (IRTF), is president of CAUCE (the Coalition Against Unsolicited Commercial Email), is a member of the ICANN (Internet Corporation For Assigned Names and Numbers) Stability and Security Advisory Committee, and runs Taughannock Networks. He has co-authored many books, including The Internet For Dummies (with Carol Baroudi and Margaret Levine Young), UNIX For Dummies (with Margaret Levine Young), Fighting Spam for Dummies (with Margaret Levine Young, Ray Everett-Church), qmail (O'Reilly), and flex & bison (O'Reilly).