It's the nature of the beast, Louis. The Proxy calculates a signature based on the content of the message, ctasd submits that to CYREN's servers and an answer comes back that determines if the email is rejected, quarantined or delivered. I find more false positives than false negatives. If this is just the top guy complaining, maybe you can add a product like SpamBayes to his workstation. Then again, most such complaints aren't about "real" spam. People inadvertently sign up for a mailing list and then don't realize that they need to unsubscribe both from the current mailing and the master list. Show us a spam with its headers so that we can see which problem you're having. Cheers - Bob
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