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RE: [Asrg] A response to the critique of my anti-spam system



I noticed at the bottom of your web site the 'Patents Pending' text.

What part of the proposal do you feel is unique and covered by your
patent applications.

Paul

> -----Original Message-----
> From: asrg-bounces at ietf.org [mailto:asrg-bounces at ietf.org] On 
> Behalf Of Michael Kaplan
> Sent: Thursday, December 09, 2004 12:02 PM
> To: asrg at ietf.org
> Subject: [Asrg] A response to the critique of my anti-spam system
> 
> I greatly appreciate everyone for their time and 
> consideration for critiquing the anti-spam system that I 
> presented earlier this week.  I present my response to the critique.
> 
> As a reminder my system it is located at:
> http://home.nyc.rr.com/spamsolution/An%20Effective%20Solution%
> 20for%20Spam.htm 
> 
> 
> First I would like to say a word about efficacy:
> One basic tenet of the anti-spam effort has always been that 
> that is foolish to believe that spammers can't automate 
> puzzle solving, character recognition, or other hoops that 
> legitimate users must jump manually.  This has always been 
> true until the development my CAPTCHA.  This is the first and 
> only CAPTCHA developed that is invulnerable to technical 
> circumvention.  I have to admit that I am surprised that this 
> innovation in and of itself has not generated more discussion.
> This CAPTCHA, in combination with my unique application of 
> it, will likely do what no other system has ever hoped to do: 
>  Allow strangers to communicate with you while preventing 
> spammers from sending you email with near perfect efficacy.  
> On occasion a spammer will harvest an address via one of the 
> usual ways.  I'll guess that every three or four months a 
> TYPICAL user will suffer a day or two of spam and will need 
> to deactivate a single sub-address.  Otherwise this system is 
> beyond any technical subversion.  Is there any other system 
> existing or proposed that can claim this?  
> Every anti-spam system has flaws.  Many of these flaws would 
> be tolerated if the system blocked spam with near perfect 
> efficacy.  Any flaws with my system should be evaluated in this light.
> 
> I have reviewed the posts and the following represents what I 
> believe to have been the major issues that were brought up.  
> I include my responses.
> 
> 
> This system is not appropriate for many people - True.  
> Certain email users such as many business people, people who 
> must maintain email addresses posted on websites or other 
> public venues, and countless others will find this system 
> undesirable and will not be able to use it.  This system is 
> ideal for the typical email user who is plagued by large 
> amounts of spam.  Instead of focusing on who this system 
> cannot help we should be focusing on the enormous number of 
> people for who this system will be ideal and who will 
> experience near total elimination of spam from their lives 
> after employing it.
> 
> 
> The system has flaws - True.  This system is not perfect; it 
> is merely vastly superior to the status quo for most users.  
> If you have an example of a better system then please speak up.
> 
> 
> Bounces - The fact that my system employs bounces seems to 
> greatly disturb many people.  The strongest objection 
> concerns the additional burden these bounces will put on the 
> email system.  The theoretical maximum increase in email 
> traffic that this system could generate would be 100% if we 
> consider an email account that receives emails with invalid 
> sub-addresses exclusively.  The near perfect efficacy of my 
> system for blocking spam would justify such expenditure.  How 
> would you feel if your email provider said to you "I know you 
> are overwhelmed by spam and that this system will virtually 
> eliminate it but doing so could cause a near doubling of your 
> email traffic so you can't use it and you must live with this 
> spam burden forever"?   
> Filters likely increase email traffic to much greater extent, 
> albeit indirectly, as spammers generate vast quantities of 
> spam to get around them.  Spam filters don't even have 
> anywhere near the likely efficacy that my system will have.  
> So a filter is tolerable, but my system isn't?
> 
>      Another concern with bounces is that spammers will forge 
> an innocent person's address and then this innocent person 
> will get flooded with bounces.  Some people with easily 
> guessable email addresses will confront this problem.  People 
> who employ my system will never have to worry about such 
> bounces since their addresses cannot be guessed.  This is a 
> concern, but not a big enough of a concern to halt such a 
> highly efficacious system.
> 
> 
> Language - There was also a lot of concern over how the 
> bounces would be managed by recipients who use different 
> languages.  I would respond that most people who correspond 
> with each other do so in the same language. Also many 
> web-sites use the common technique of showing icons of 
> international flags to represent languages, and clicking on 
> your respective flag will bring up a page with your own 
> language.  This same technique can apply to bounces.  This 
> will cover the vast majority of email users, though I admit 
> that people who can only read a less commonly used language 
> may not be accommodated as easily.  I am confident that it is 
> possible to devise methods to further address this issue, but 
> the aforementioned technique will cover most people.
> 
> 
> Spammers will always be able to reacquire some of your 
> addresses - This obvious truth actually highlights the 
> strength of this system.  Deactivating compromised 
> sub-addresses becomes progressively less disruptive as more 
> and more of your correspondents use uniquely generated 
> sub-addresses.  You also will know the source of the 
> compromise so that you can chastise your friend for 
> distributing your address in an email chain letter.  The 
> typical user is not exposing their email address multiple 
> times a day to spammers.  The typical user's email address is 
> revealed to a spammer a finite number of times but it only 
> takes one exposure to bring on the spam onslaught.  This 
> explains why a single security breach at AOL in which more 
> than 90 million email addresses were sold to spammers was so 
> devastating.  Many of those users would have remained spam 
> free for a prolonged time if it wasn't for that one breach.
> 
>      There is of course the situation of having an 
> acquaintance that unwittingly has malware on their computer 
> that is constantly raiding their address book and passing 
> your address on to spammers.  Now my system is a real 
> blessing as the problem becomes obvious and corrective action 
> can be taken, thus saving not only you but everyone else who 
> would have their addresses entered into your acquaintances 
> address book.
> 
> 
> This system is reminiscent of challenge/response - I thought 
> I did a sufficient job contrasting this system with 
> challenge/response but obviously I didn't.  My system allows 
> third party emails to arrive unimpeded.  My system issues 
> challenges in an extraordinarily selective way, only 
> challenging people not white listed who were given an 
> inactive sub-address.  People will need to deal with my 
> challenge with only a small fraction of the frequency that 
> they would need to deal with a challenge associated with a 
> traditional challenge/response system.  With my system 
> dealing with a CAPTCHA will be a relatively rare event.  Is 
> there anyone who does not think that this system is 
> profoundly superior to every other challenge/response system? 
>  Again I am surprised; my system makes every other 
> challenge/response system obsolete and yet it has not sparked 
> real discussion or enthusiasm.  Isn't this the Anti-Spam 
> Research Group?
> 
> 
> Seeing the CAPTCHA requires a system that either allows for a 
> graphics capable MUA or allows activation of a hyperlink - 
> True.  You would need to access a system that would allow you 
> to see graphics.  A graphics capable MUA is the most 
> convenient, but all you would really need is a computer with 
> a web browser so you can paste the link into the browser and 
> view the CAPTCHA.  Don't most people have access to web browsers?  
> Typical users can see email graphics.  I obviously travel in 
> different circles since I don't know a single person who uses 
> an email system that is not graphics capable.  I would argue 
> that most typical users would not worry enough about the 
> minority of people who cannot access graphics via their mail 
> system.  The incentive to use a system that effectively 
> eliminates spam would outweigh the need to cater to this minority.
> 
> 
> 
> I am not arguing that my system is absolute perfection, or 
> that it suits the needs of every email user in the world.  I 
> only argue that it is vastly superior to anything else out 
> there.  Take for example a typical AOL user.  Almost every 
> AOL user is plagued by tremendous amounts of spam and there 
> is no hope that any filter will be able to stop the onslaught 
> directed at this highly lucrative population.  No AOL user 
> who uses the system will care on a personal level that 
> additional bounces are being generated.  Almost none of the 
> AOL users will care that people who can only read a less 
> common language may not be able to read the bounce; common 
> languages will still be accommodated.  Spam is such a 
> tremendous burden for the average AOL user that few will care 
> that a small number of people have no ability to view 
> graphics on their system and thus will be forced to go to 
> another system to view a CAPTCHA.
> 
> I ask you:  Is there any other system out there that, even 
> when applied to a hundred million people, could eliminate 
> nearly 100% of spam as my system would for a typical user 
> (I'm sure once every couple of months or so a single 
> sub-address will become compromised and the user will suffer 
> a day or two of spam before the sub-address is cancelled).  
> Is there any other system out there that can protect so many 
> millions of users who elect to activate it and yet remain 
> secure?  Is there any other comparable system that is as easy 
> to integrate into current email architecture?
> 
> Not challenge/response; it is excessively burdensome and the 
> traditional challenges are too weak to protect millions of people.
> 
> Not sender-ID proposals; no one is even pretending that these 
> proposals will have anything more than a subtle impact.
> 
> Does the fact that as only 30-40% (a wild guess) of people 
> may want to use this system argue against it?
> 
> Before you reject my system can you suggest one that is in 
> any way comparable?  Is the status quo superior?  Are you 
> holding out hope for an as of yet unknown but better system?  
> Have you totally given up any hope for a truly effective 
> anti-spam system?
> 
> I accept your criticisms, but I view them as relatively minor 
> given the likely efficacy of this system.  Many people such 
> as business people may decide to forgo this system.  However, 
> this system would be the FUSSP for the enormous population of 
> typical users out there for whom the relatively minor 
> detractions are not important.
> 
> Michael G. Kaplan
> 
> 
> 
> 
> 
> 
> --
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