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Spam Filters: Learn More about Barracuda
The Barracuda Spam Firewall is the No. 1 most widely used spam filtering appliance used by more than 70,000 businesses in over 80 countries. To see a partial list of customers, click here.

Barracuda offers a wide array of customized options. The application has chosen to use the default settings, but because this filter can be highly customized, you may come across more strict implementations that may filter out your mail.

Barracuda does provide reason information regarding why mail was filtered but no documentation explaining the reasons.

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