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South Carolina Public Radio's offices will be closed Monday, May 27, in observance of the Memorial Day holiday. Our local news and programming will return Tuesday, May 28.

Anti-Spam Technology

Michele Norris talks with Paul Mockapetris, who has been working on technology that makes e-mail addresses more secure from spammers. Mockapetris is chairman and chief scientist at Nominum, a provider of Internet address software.

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