Strengths: High performance, beautiful administration interface and powerful extensibility via API and scripting. Weaknesses: Advanced functionality requires learning proprietary scripting language.
McAfee Email Protection
Strengths: Numerous pre-compiled compliance dictionaries, easy encryption, simple yet powerful rules-based mail flow. Weaknesses: Does not officially support all modern browsers, and that’s a stretch.
Strengths: Easy deployment, central management, comprehensive filtering and user-friendly encryption. Weaknesses: SecureEmail is essentially a hosted solution, which may not be appropriate for users with more stringent security requirements.
The SC Magazine Labs team examined email security and content filtering products currently on the market and reported their strengths and weaknesses.