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Features

Accuracy

Capture Rates

SNF consistently captures more than 98.5% of spam on average (calculated from spamtrap processing data, customer reports, telemetry, and lab tests on live messages).

Our rulebase is managed 24x7x365 by a highly trained, professional staff using the most sophisticated tools in the business.

SNF's collaborative learning technologies ensure that as more SNF nodes are activated, accuracy and response time continually improves.

False Positives

SNF has the lowest false positive rates in the industry. SNF scans more than half a billion messages per day while we receive fewer than 300 false positive reports per month! Visit our Live Data section to see real-time data on false positive submissions.

Rulebase Quality

Here are some of the reasons our false positive rates are so low while our capture rates are so high:

• SNF rules are based on a discrete-logic system - they are either in or out. They are not combined in a weighting system. This simple distinction mathematically simplifies the quality control process by eliminating the inherent interactions between rules in a weighted system. The result is that our quality control decisions can be made more accurately and more quickly.
  
  
• All of our rules undergo a continuous review process where each member of our rule coding staff (the sortmonsters) reviews all active rules for quality several times per day.
  
  
• A number of our largest customers employ full-time staffers to monitor false positives on their systems and report them to us when appropriate - often before any user complaints are registered!
  
  
• All rules are also continuously monitored by robots for performance and any signs of false-positive activity. The new SNF engine is able to automatically disable (auto-panic) any new rule that fires against known good senders thus eliminating many false positives and reporting the situation to us immediately for correction.
  
  
• The SNF network acts as a broad-spectrum virtual spamtrap that automatically sends us samples of new spam sent by known spam sources. (Sampling can be disabled if required for security reasons). Unlike conventional spamtraps which use addresses harvested by blackhats, our virtual spamtrap network captures new spam sent to any address - there is nowhere to hide.