SecurityGateway for Exchange/SMTP Servers

From Alt-N Technologies:

SecurityGateway E-mail Spam Firewall for Exchange/SMTP Servers provides affordable inbound and outbound email security with a powerful spam filter that serves as a Microsoft Exchange or SMTP firewall. Its multiple analysis tools separate threats from legitimate email, while leveraging proven anti-spam, anti-virus, anti-phishing, and anti-spoofing technologies to produce a 99% spam blocking rate and achieve nearly zero false-positive results. SecurityGateway E-mail Spam Firewall for Exchange/SMTP Servers features simple administration using intuitive, task-oriented interface and offers comprehensive reporting that identifies email traffic patterns and potential problems. Its powerful filtering engine is based on the industry standard Sieve mail filtering language and its Defense Layer Customization can prioritize operations a specific security rule will execute when analyzing incoming or outgoing mail traffic. Simple administration, powerful filtering, accurate results.

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