SpamCheetah - revolution in spam
           control
  OpenBSD greylisting based spam control


            Girish Venkatac...
What is SpamCheetah?




   Not greylisting alone, very different from
   traditional meaning of greylisting




          ...
What is SpamCheetah?




   Not greylisting alone, very different from traditional
   meaning of greylisting
   The tarpit ...
What is SpamCheetah?




   Not greylisting alone, very different from traditional
   meaning of greylisting
   The tarpit ...
Why is spam control so important?
    E-mail the most important application on the
    Internet




              Girish V...
Why is spam control so important?
    E-mail the most important application on the Internet
    Every mail server needs a ...
Why is spam control so important?
    E-mail the most important application on the Internet
    Every mail server needs a ...
Why is spam control so important?
    E-mail the most important application on the Internet
    Every mail server needs a ...
Why is spam control so important?
    E-mail the most important application on the Internet
    Every mail server needs a ...
Status of SpamCheetah
   Close to 5 downloads a day




             Girish Venkatachalam   SpamCheetah - revolution in sp...
Status of SpamCheetah
   Close to 5 downloads a day
   Selling as a hardware appliance in India




              Girish V...
Status of SpamCheetah
   Close to 5 downloads a day
   Selling as a hardware appliance in India
   Every mail server needs...
Status of SpamCheetah
   Close to 5 downloads a day
   Selling as a hardware appliance in India
   Every mail server needs...
Status of SpamCheetah
     Close to 5 downloads a day
     Selling as a hardware appliance in India
     Every mail server...
Business model of SpamCheetah




    I did the online version on August 6th and
    rechristened Anjal as SpamCheetah



...
Business model of SpamCheetah




    I did the online version on August 6th and rechristened
    Anjal as SpamCheetah
   ...
Business model of SpamCheetah




    I did the online version on August 6th and rechristened
    Anjal as SpamCheetah
   ...
SpamCheetah implementation details




           Girish Venkatachalam   SpamCheetah - revolution in spam control
SpamCheetah implementation details II




           Girish Venkatachalam   SpamCheetah - revolution in spam control
UNIX daemons in SpamCheetah




         Girish Venkatachalam   SpamCheetah - revolution in spam control
SpamCheetah load balancing and failover




           Girish Venkatachalam   SpamCheetah - revolution in spam control
SpamCheetah links

Discussion and questions?
 1   SpamCheetah’s website
 2   Gayatri Hitech - the company behind SpamCheet...
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SpamCheetah internals

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SpamCheetah is an OpenBSD greylist + tarpit + blacklist spam filter. It does not even allow spam to get in. This talk shows your the internal workings as well as some ideas about the business model of the parent company Gayatri Hitech

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SpamCheetah internals

  1. 1. SpamCheetah - revolution in spam control OpenBSD greylisting based spam control Girish Venkatachalam Chennai girish1729@gmail.com October 30, 2009
  2. 2. What is SpamCheetah? Not greylisting alone, very different from traditional meaning of greylisting Girish Venkatachalam SpamCheetah - revolution in spam control
  3. 3. What is SpamCheetah? Not greylisting alone, very different from traditional meaning of greylisting The tarpit does not even allow spam to enter your network, protect your network resources from dirty spammers! Girish Venkatachalam SpamCheetah - revolution in spam control
  4. 4. What is SpamCheetah? Not greylisting alone, very different from traditional meaning of greylisting The tarpit does not even allow spam to enter your network, protect your network resources from dirty spammers! Revolution in spam control Girish Venkatachalam SpamCheetah - revolution in spam control
  5. 5. Why is spam control so important? E-mail the most important application on the Internet Girish Venkatachalam SpamCheetah - revolution in spam control
  6. 6. Why is spam control so important? E-mail the most important application on the Internet Every mail server needs a spam filtering engine Girish Venkatachalam SpamCheetah - revolution in spam control
  7. 7. Why is spam control so important? E-mail the most important application on the Internet Every mail server needs a spam filtering engine But I don’t like the term ”spam filter”. I call SpamCheetah as a spam blocker or spam control application Girish Venkatachalam SpamCheetah - revolution in spam control
  8. 8. Why is spam control so important? E-mail the most important application on the Internet Every mail server needs a spam filtering engine But I don’t like the term ”spam filter”. I call SpamCheetah as a spam blocker or spam control application Massive worldwide market with huge potential Girish Venkatachalam SpamCheetah - revolution in spam control
  9. 9. Why is spam control so important? E-mail the most important application on the Internet Every mail server needs a spam filtering engine But I don’t like the term ”spam filter”. I call SpamCheetah as a spam blocker or spam control application Massive worldwide market with huge potential This talk speaks about the technical aspects of SpamCheetah and how it does its job so well Girish Venkatachalam SpamCheetah - revolution in spam control
  10. 10. Status of SpamCheetah Close to 5 downloads a day Girish Venkatachalam SpamCheetah - revolution in spam control
  11. 11. Status of SpamCheetah Close to 5 downloads a day Selling as a hardware appliance in India Girish Venkatachalam SpamCheetah - revolution in spam control
  12. 12. Status of SpamCheetah Close to 5 downloads a day Selling as a hardware appliance in India Every mail server needs a spam filtering engine Girish Venkatachalam SpamCheetah - revolution in spam control
  13. 13. Status of SpamCheetah Close to 5 downloads a day Selling as a hardware appliance in India Every mail server needs a spam filtering engine Girish Venkatachalam SpamCheetah - revolution in spam control
  14. 14. Status of SpamCheetah Close to 5 downloads a day Selling as a hardware appliance in India Every mail server needs a spam filtering engine Everyone with a mail server needs spam protection! Girish Venkatachalam SpamCheetah - revolution in spam control
  15. 15. Business model of SpamCheetah I did the online version on August 6th and rechristened Anjal as SpamCheetah Girish Venkatachalam SpamCheetah - revolution in spam control
  16. 16. Business model of SpamCheetah I did the online version on August 6th and rechristened Anjal as SpamCheetah Three companies based on online downloads model - Zohocorp Inc(˜1000 employees), Vembu (˜100 employees) and Jijitechnologies Kovilpatti(˜10 employees) Girish Venkatachalam SpamCheetah - revolution in spam control
  17. 17. Business model of SpamCheetah I did the online version on August 6th and rechristened Anjal as SpamCheetah Three companies based on online downloads model - Zohocorp Inc(˜1000 employees), Vembu (˜100 employees) and Jijitechnologies Kovilpatti(˜10 employees) Online business model requires competitive pricing and unique product expertise, Google Adwords and some patience Girish Venkatachalam SpamCheetah - revolution in spam control
  18. 18. SpamCheetah implementation details Girish Venkatachalam SpamCheetah - revolution in spam control
  19. 19. SpamCheetah implementation details II Girish Venkatachalam SpamCheetah - revolution in spam control
  20. 20. UNIX daemons in SpamCheetah Girish Venkatachalam SpamCheetah - revolution in spam control
  21. 21. SpamCheetah load balancing and failover Girish Venkatachalam SpamCheetah - revolution in spam control
  22. 22. SpamCheetah links Discussion and questions? 1 SpamCheetah’s website 2 Gayatri Hitech - the company behind SpamCheetah 3 OpenBSD papers Girish Venkatachalam SpamCheetah - revolution in spam control
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