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End User Feature Comparison
| Email Defense | Spam Assassin | | False Positive Rate (legitimate mail blocked) | 0.002% * | 14.77% ** | | Spam Capture Rate | 98% * | 88% ** | | Real-time protection against email attacks | Yes | No | | Daily email summary of quarantined Messages | Yes | No | | Easy setup (i.e., no email client setup required) | Yes | No | Administrator Feature Comparison
| Email Defense | Spam Assassin | | Admin interface to manage entire domain | Yes | No | | Filtering policy management | Yes | No | | Mail traffic & threat reports | Yes | No | | End user permission setting | Yes | No | | Ability to associate alias with primary Address | Yes | No | | Domain and user quarantine for spam, virus, content & attachments | Yes | No | | Content & attachment filtering options | Yes | No | | Multiple options for handling spam (e.g., quarantine, tag, deny delivery) | Yes | No | ** Based on independent testing conducted by Infoworld.com July 2004
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