EarthLink: Users Fighting Spam; 20% Stop All Unknown Senders, Investor’s Business Daily, 29 Dec 2004

“About 20% of EarthLink e-mail customers set their spam filters on "high," which blocks all messages from everyone who's not in their personal address book, the Internet service provider revealed Tuesday in an interview. That's a lot. This spam-filter setting, the highest possible, blocks almost all e-mails. The heavy use of "high" is more proof that e-mail users are fed up with junk mail.�

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