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Message Sniffer For Windows

Message Sniffer (SNF) is an intelligent anti-spam scanner that uses advanced pattern recognition and collaborative learning technologies to accurately identify spam, scams, viruses, and other email borne malware at your email server or gateway (before it gets to your inbox).

Message Sniffer for Windows uses an installer to install SNF on your server or gateway. The installer offers options for several common platforms and gateways (see installation tab below). It also offers a custom install option to allow you to configure it with other platforms or gateways not directly supported.

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The Message Sniffer software is designed to be installed on an email server or filtering appliance. Message Sniffer is driven by a professionally managed rulebase, available via subscription, that is continuously monitored and updated by intelligent machines and highly trained analysts. This teamwork between synthetic intelligence and extraordinary people reduces your administrative workload to a minimum and allows SNF to respond quickly (within minutes) to new threats while also predicting future hazards so they can be blocked before they arrive.

The Message Sniffer software has two components: SNFServer and SNFClient. SNFServer provides message scanning and collaborative IP reputation services (GBUdb) via the XCI protocol. GBUdb responds quickly to emerging threats and saves system resources by providing IP blocking information and modifying message scan results in real-time. SNFClient provides a command line interface to SNFServer via the XCI protocol. The SNFClient utility can be used to connect SNFServer to virtually any email server or filtering system that supports external antispam and antivirus tools.

SNF accurately captures more than 99% of spam without tuning. We calculate this statistic from real-world data collected by our monitoring system using system telemetry, data from spam-traps, user submissions and a comparative analysis with several dozen high quality spam tests.

In addition, Message Sniffer's highly optimized engine has very modest hardware requirements and typically uses only a small fraction of the resources required by other engines. (SNF typically has less than 10% of the CPU requirement of SpamAssassin when processing the same message stream!)

Message Sniffer is used by ISPs, ASPs, SaaS providers, spam filtering services, antispam appliance vendors, schools, businesses, and consultants worldwide to protect systems from spam, scams, viruses, and other email borne threats.

Learn More about what Message Sniffer is and how it works.

We have designed Message Sniffer (SNF) to be a complete anti-spam solution for your email servers. Let us help you reduce the time and effort you spend dealing with spam.

  • Anti-Spam & Anti-Virus
  • Anti-Malware & Anti-Spyware
  • Anti-Spoofing & Anti-Phishing
  • Automated Tuning
  • Collaborative Learning
  • Multi-Platform
  • No Per User License Fee
  • Free Responsive Support
  • Fail Safe Design Strategy
  • Low False Postive (FP) Rate
  • Interactive FP Resolution Process
  • High Availability, Continuous Monitoring
  • Highly Adaptive Rulebase System
  • Continuous Automated Updates
  • Works With ANY Email Server
  • Low Use of System Resources

Read more about the Full List of SNF Features.

Basic Sniffer Install:

  • Enables the client to install the SNF directory in any location. Registry will indicate
    the location in HKEY_LOCAL_MACHINE\SOFTWARE\MessageSniffer\Install_Dir

  • Installer uses the following registry keys to support the install and uninstall:
    • Install_Dir (Location of the SNF Installation)
    • SNFMailServer_DIR (Location of the Mail Server)
    • SRS_COMPLETE (Did the Install Complete Nicely)
    • SRS_INSTDIR (Location of the Current Install's Rollback File)
    • SRS_LogName (Rollback File Name)
    • SRS_RollbackPath (Target Path for Rollback)
    • SRS_SERVDIR (Mail Server Path for Rollback)

  • The Base Installer places the following files in the main SNF folder:
    • Installer Files (Restorer.exe, uninstall.exe, LocalRoot.txt, shortcuts.xml)
    • SNF Files (SNFClient.exe, SNFServer.exe, SNFClient_readme.txt, **License**.snf )
    • SNF Required Files (send_shutdown.cmd, identity.xml, snf_xci.xml, snf_engine.xml, getRulebase.cmd/.txt, snf2check.exe, mingwm10.dll, exchndl.dll)
    • All Curl files (Curl.exe, CurlMANUEL.rtf, CURLReadme.rtf)
    • XYNT Service Files (XYNTService.ini, XYNTService.exe, XYNTServiceReadMe.txt)
    • AuthenticationProtocol.swf
    • ChangeLog.txt
    • GBUdbIgnorelist.txt (Read about GBUdb)
    • License.txt
    • The SNFRollback folder, at the root level w/ Archive_rllbck.log and some duplicate files.

  • The Installer Alters the following files:
  • The Installer performs the following command line actions:
    • Executes a download of the rulebase and creates first .snf file.
    • Performs authentication test with snf2check against the rulebase.
    • Starts a service wrapper with XYNTService named SNFService.
    • Tests SNFService with "SNFClient.exe -status.second" to verify xml reply.
  • Refer to SNF Documentation for info on setting custom header injection
30 Day
Free Trial
Includes:
  • Free fully functioning subscription with no obligation
  • Free installation support and personalized support for tuning and customizing rulebase(s) to fit the needs of your system
Free 30 Day Trial
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ANNUAL
$495/inst/yr
Includes:
  • All Message Sniffer software updates.
  • Rulebase updates multiple times a day with the latest anti-spam rules.
  • Full support for your subscription year, including personalized support for tuning and customizing rulebase(s) to fit the needs of your system.
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SMB
$199/inst/yr*
*For Qualifying Systmes
Includes:
  • All Message Sniffer software updates.
  • Rulebase updates multiple times a day with the latest anti-spam rules.
  • Full support for your subscription year, including personalized support for tuning and customizing rulebase(s) to fit the needs of your system.
    Buy Now!    
SOHO
$99/inst/yr*
*For Qualifying Systmes
Includes:
  • All Message Sniffer software updates.
  • Rulebase updates multiple times a day with the latest anti-spam rules.
  • Full support for your subscription year, including personalized support for tuning and customizing rulebase(s) to fit the needs of your system.
    Buy Now!    
Monthly
$45/inst/mo
Includes:
  • No long term contacts. Cancel at any time.
  • All Message Sniffer software updates.
  • Rulebase updates multiple times a day with the latest anti-spam rules.
    Buy Now!    
LARGE SYSTEMS
Contact Sales
Includes:
  • All Features of the Annual Subscription
  • Special pricing and deployment options for systems needing 10 or more SNF instances for their own use.
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Reseller & OEMs
Contact Sales
Includes:
  • Developers who wish to bundle Message Sniffer technology with their own solutions for their privately branded products.
  • Significant discount on rulebase licensing as well as a private source code license.
  Learn More  

Your Message Sniffer subscription comes with free support to help get Message Sniffer installed on your system.

Get the Windows Installer

For complete instructions on how the Installer works, please see the Windows Installer Guide found in the Documentation section of the site.

The Installer directly supports the following platforms:

  • Alligate
  • IceWarp
  • Imail + Declude
  • Imail stand alone (using MINIMI - ARM Research Labs developed email shim)
  • MDaemon (as a plugin)
  • SmarterMail + Declude
  • SNFClient + SNFServer Custom
This installer can also be used to install SNFServer on windows systems using SpamAssassin with our new SNF4SA antispam plugin and MDaemon plugin.