[Baypiggies] Challenge/Response email systems
marilyn at deliberate.com
Sat Jun 17 16:44:42 CEST 2006
----- On Friday, June 16, 2006 aahz at pythoncraft.com wrote:
> On Fri, Jun 16, 2006, Marilyn Davis wrote:
>> I haven't looked at other CR systems in a long time. They used to all
>> go to the web. I don't quite understand how to do it as a reply-to-
>> the-email-message. The challenge would have one image in the email
>> and ask you to put the response where?
> Oh, an image. And where does that put those of us who mostly use
> text-only systems or blind people?
Now that is an issue! What is the right thing? Provide a telephone number?
After a night's sleep I remembered the problem we see with Ken's suggestion:
> My understanding is that there are a couple kinds of CR systems. One kind
> is blind, and sends a
> challenge to anyone not on a whitelist (call this Blind CR), and another
> kind that only sends a challenge when the email is:
> 1. Not on whitelist.
> 2. Has a moderately high spam score.
> 3. Doesn't have a super high spam score (just dump these in the spam
Say that Guido's message had a low spam score and was delivered into my inbox. Does that automatically put him on my white list? What if his second message has a high spam score? Does he get a challenge on his second message?
Ken, do you know how that works?
> Aahz (aahz at pythoncraft.com) http://www.pythoncraft.com/
> "I saw `cout' being shifted "Hello world" times to the left and stopped
> right there." --Steve Gonedes
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