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USA.NET, a message service hosting provider, saw the quality of its message services threatened by a jump in image-based spam in late 2006. Symantec analysts developed new tools and techniques for an antispam solution that more than quadrupled the catch rate for image-based spam. This virtually eliminated it from USA.NET customer mailboxes, ending complaint calls from customers about spam, and helping to reduce the processing and storage burden from image based spam by as much as 95 percent.

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