Email security and content filtering

Axway MailGate SC

Strenghts: Full feature set with secure file sharing and secure mail. Weaknesses: Lack of pre-loaded compliance policy templates.

Barracuda Spam & Virus Firewall

Strengths: Full virus and spam protection for inbound and outbound email. Weaknesses: Web-based management GUI is slightly confusing to use.

Cisco Email Security Appliance

Strengths: Easy to deploy and manage with many policy templates out of the box. Weaknesses: None that we found.

Clearswift SECURE Email Gateway

Strengths: Full featured and easy to use. Weaknesses: None that we found.

DataMotion SecureMail Gateway

Strengths: Full email encryption that is transparent to end-users. Weaknesses: Can be quite expensive as a recurring cost.

Echoworx Encrypted Mail Gateway

Strengths: Seamless cloud-based email encryption at a reasonable cost. Weaknesses: Documentation could have been more complete.

Fortinet FortiMail-400C

Strengths: Powerful and versatile feature set; IBE encryption hosted entirely on-device. Weaknesses: Complicated configuration.

Halon Security Virtual Spam Prevention (VSP)

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.

Trend Micro InterScan Messaging Security

Strengths: Very easy content filtering. Weaknesses: Poor documentation, difficult-to-reach support, overly complicated encryption.

WatchGuard Technologies XCS 570

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.

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