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External Agent Definitions

External Agents are independently developed tools to enhance or extend the use of ORF in order to tackle specific problems.
Note that using these definitions is not required for compatibility with the listed software.

Third-Party Agents

Highlighted

ClamAV for Windows
Last updated: February 15, 2010 by Vamsoft e-Security Kft.
ClamAV is a free, open source anti-virus engine. Use it with ORF to get another layer of email security at no additional cost. Find out more in our step-by-step guide on using ClamAV with ORF. Visit vendor
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Spam filtering agents

These agents can introduce new filtering technologies to ORF's toolset.

MessageSniffer
Last updated: September 22, 2009 by ARM Research Labs.
MessageSniffer is a commercial anti-spam engine from ARM Research Labs. Visit vendor
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SpamAssassin
Last updated: August 25, 2005 by Vamsoft e-Security Kft.
SpamAssassin is a free, open source antispam engine/proxy from the Apache Foundation. Visit vendor
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invURIBL
Last updated: September 29, 2005 by Invariant Systems.
Description by the vendor: invURIBL is a commercial anti-spam engine from Invariant Systems. invURIBL is a tool that is used to identify SPAM by extracting URI's (domain names in links) from emails and checking them against URI based blacklists. Our application extends basic URI checking functionality by incorporating features that will allow you to check the URI's IP address and name servers against DNS based blacklists. In addition, we have added a unique feature that allows you to check the URI's IP address and remote mail server against Senderbase, the world's leading email traffic monitoring network. Visit vendor
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PTR Blacklist Agent
Last updated: May 27, 2008 by Simon Taeuber.
This external agent was developed by Simon Taeuber to blacklist individual PTR names. Visit vendor
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Anti-Virus agents

Using anti-virus software as agents can be useful if you do not have the email scanning module for the software. If your anti-virus already scans emails, using it as an ORF agent is redundant.

Avast! 4 Server Edition
Last updated: July 28, 2006 by Vamsoft e-Security Kft.
Avast! is a commercial antivirus software from ALWIL Software. This agent definition is for the "Avast! Server Edition" package. Visit vendor
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AVG AntiVirus 2015
Last updated: Jul 27, 2015 by Vamsoft e-Security Kft.
AVG is a commercial antivirus software from AVG Technologies. This agent definition is for the "AVG AntiVirus 2015" package, but it should work with any package which contains the "avgscan" command-line scanner. Visit vendor
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Avira AntiVir
Last updated: August 12, 2009 by Vamsoft e-Security Kft.
Avira is a commercial antivirus software from Avira. This agent definition is for the "Avira AntiVir Command-line Scanner" package. Visit vendor
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CA eTrust 7
Last updated: October 5, 2005 by Vamsoft e-Security Kft.
CA eTrust is a commercial antivirus software from Computer Associates International, Inc. This agent definition is for the "eTrust 7" package, but it should work with any package which contains the "Inocmd32.exe" command-line scanner. Visit vendor
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F-Prot for Windows
Last updated: August 25, 2005 by Vamsoft e-Security Kft.
F-Prot is a commercial antivirus solution from FRISK Software International. This agent definition is for the "F-Prot for Windows" package. Visit vendor
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F-Prot for Windows Version 6
Last updated: March 22, 2007 by Vamsoft e-Security Kft.
F-Prot is a commercial antivirus solution from FRISK Software International. This agent definition is for the "F-Prot for Windows Version 6" package. Visit vendor
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Kaspersky Anti-Virus 5 for Windows
Last updated: December 6, 2006 by Stephen Challen.
Kaspersky Anti-Virus 5 is a commercial antivirus software from Kaspersky Lab. This agent definition is for the "Kaspersky Anti-Virus 5" package. Visit vendor
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Kaspersky Anti-Virus 6 for Windows
Last updated: April 2, 2007 by Stephen Challen.
Kaspersky Anti-Virus 6 is a commercial antivirus software from Kaspersky Lab. This agent definition is for the "Kaspersky Anti-Virus 6" package with the "avp.exe" command-line virus scanner. Visit vendor
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McAfee VirusScan for Windows
Last updated: August 20, 2005 by T. Hernlund
VirusScan is a commercial antivirus software from McAfee. This agent definition is for the "VirusScan for Windows" package, but it should work with any package which contains the "scan" command-line scanner. Visit vendor
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NOD32
Last updated: August 9, 2006 by Vamsoft e-Security Kft.
NOD32 is a commercial antivirus software from Eset. This agent definition is for the "NOD32 Antivirus for Windows" package. Visit vendor
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Sophos Anti-Virus
Last updated: August 20, 2005 by T. Hernlund.
Sophos Anti-Virus is a commercial antivirus package from Sophos Plc. This agent definition uses the Sophos Anti-Virus for Win32 Command Line Interface (http://www.sophos.com/readmes/readcli.txt). Visit vendor
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Vamsoft Agents

We occasionally release ORF External Agents against certain spam campaigns. Find these agents below.

  • Backscatter Protection Agent

    This agent offers protection against "backscatter" (or "reverse NDR") attacks which occur when a spammer sends large amounts of email in the name of your domain and your email server gets bombed by bounce reports from legitimate servers.

  • PDF Spam Agent

    Provides protection against spam campaigns when the payload of the spam arrives in PDF documents.

  • Image Spam Agent

    This agent can blacklist certain variants of spam campaigns when the payload arrives as embedded images.

Notes

Using agent definitions with ORF

The definition ZIP file contains a readme.txt file. Follow the instructions in this file to set up your agent.

Created an Agent or a Definition?

Have you created an External Agent (or just a definition) which is not listed here? Contact our Customer Service to get it published.