Independent Tests Applaud OEM’s “Powered by Mailshell” Filters

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Email spam filters that are ‘Powered by Mailshell’ out-perform most competitors’ products according to a series of recent independent tests and reviews.

Email spam filters that are ‘Powered by Mailshell’, the leading provider of Internet security engines for OEMs, out-perform most competitors’ products according to a series of recent independent tests and reviews. In the last two months, ‘Powered by Mailshell’ filters sold by Prague-based Avast Software, Oslo-based Norman ASA, and U.S.-based GFI Software have demonstrated greater accuracy than nearly all industry competitors, including IBM, Symantec, Intel/McAfee, Sophos and others. Thousands of companies, and millions of consumers worldwide, rely on Powered by Mailshell filters for spam filtering, phishing detection, web security and DNS security.

“Our growth and success is based on providing our OEM partners with better results and higher ROI than all other alternatives,” said Eytan Urbas, vice president at Mailshell. “These independent tests demonstrate exactly what our partners expect of us, and the primary reason they choose us.”

The March 2012 VBSpam Comparative Test, the industry's premier independent testing program, cited a detection rate of 99.75% for GFI MailEssentials, a “Powered by Mailshell” filter, along with a false positive rate of only 0.04%. GFI’s product also did not block a single legitimate newsletter. While most products' overall accuracy scores declined since VBSpam’s November 2011 test, GFI's improved, scoring higher than IBM, Symantec, McAfee, Sophos, Kaspersky and other large Internet security vendors. The VBSpam tests are administered by Virus Bulletin and benchmark leading vendors' filters using identical streams of email.

Mailshell’s OEM partners saw similar successes in recent reviews in PC Magazine. According its most recent tests, both Avast and Norton catch more “undeniable spam” than nearly all competing solutions, including those from Norton (Symantec), McAfee, Trend Micro, G Data, Panda, Kaspersky, Zone Alarm, F-Secure, and Bitdefender, among others.

A March 2012 review of Avast’s Internet Security in PC Magazine cited the product’s “simple, accurate spam filter”. The review cited a detection rate higher than nearly all competing products and a false positive rate of only 0.2%, also among the industry’s best. PC Magazine also glowed about the spam filter in Norman Security Suite 9 Pro, another ‘Powered by Mailshell’ filter. The January 2012 review called Norman’s spam filter “amazingly accurate” and “among the best of current suites.” The product’s false negative rate was “less than any current suite.”

Mailshell's Anti-Spam SDK provides complete and consistently accurate protection against email fraud, phishing and spam. The solution includes a locally installed SDK, as well as access to Mailshell LiveFeed, a real-time cloud-based data service that quantifies traffic reputation via advanced statistical models. Mailshell has more than 60 LiveFeed data centers in more than 20 countries on six continents for maximum availability and minimum latency. Mailshell's SDKs are embedded into security, networking and messaging products including software appliances, SaaS platforms, gateway security software, desktop security suites, UTM, mobile devices, wireless access points, firewalls, modems, and other low memory devices.

Mailshell ( is the leading provider of Internet security engines for OEMs. Mailshell's software helps its global network OEM partners generate new revenue, up-sell existing products to new customers and minimize related engineering and support costs. In addition to SDKs for email protection, Mailshell offers a DNS SDK for secure, encrypted DNS protection and the LiveFeed SDK for URL filtering and content categorization. The company's mission is to organize information so people get only what they want, and only when, where and how they want it. Follow Mailshell on Twitter at

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