Spam fighters face attacks on blacklists
Spamhaus is one of many spam-busters that emerged to aid ISPs and businesses desperate to filter out spam before it reaches consumers. Their mission generally is to offer antispam protection to stave off an onslaught of "unsolicited bulk e-mail." But international authorities have yet to agree precisely on the definition of spam, leaving antispam groups vulnerable to challenges.
At CIO Today.
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