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Spamjadoo offers complete protection to prevent spam from entering your email server. Spamjadoo is the only antispam product that actively discourages spammers. The powerful ESP engine incorporates over 100 rules at the server, domain and user levels. A highly optimized architecture ensures virtually no delay in mail delivery. No other product is as thorough or as fast. ESP combines a number of innovative techniques to avoid the problems that plague other products based on content-filtering, challenge/response, disposable mailboxes, or any other technique. .....