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9780471053187
"Everything you technically need to know regarding e-mail security. Especially important for business and financial documents, this is recommended reading for system managers. For the average user, stick to common-sense. Anything sent via e-mail will be posted on someone's bulletin board.Schneier, Bruce is the author of 'E-Mail Security How to Keep Your Electronic Messages Private' with ISBN 9780471053187 and ISBN 047105318X.
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