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Most people are not happy with their anti-spam products, according to a new survey.
From McAfee and Symantec to Apple and Microsoft, most anti-spam vendors are failing to fully satisfy customers, according to the survey by Brockmann & Company.
The best-performing technology by a large margin is made by challenge-response vendors like Sendio and SpamArrest, which challenge the identity of first-time senders, the report states.