Barracuda Networks Inc., the worldwide leader in email and Web security appliances, recently announced a new feature in the Barracuda Spam Firewall that can differentiate legitimate Non-Delivery Report (NDR) messages – also known as bounce messages – from invalid NDR messages resulting from spoofing attacks. Using [tag]Invalid Bounce Suppression[/tag], the [tag]Barracuda Spam Firewall[/tag] prevents “backscatter” messages from reaching innocent email senders.
“Backscatter is an unfortunate side effect of the continued prevalence of email spoofing by spam campaigns that is now plaguing corporate email servers,” said Stephen Pao, vice president of product management for Barracuda Networks. “It is also a frustrating, and sometimes confusing, problem for email users who are the innocent victims.”
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