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Re: [Asrg] Proposal: SMTPCR, a kinder/gentler Challenge/Response



On 2006-01-22 23:56:46 -0500, Walter Dnes wrote:
>   - Sending MTA connects to receiving MTA
>   - Receiving MTA accepts email if it is from a whitelisted sender, or
>     contains the "magic password" (or whatever).
>   - Otherwise, if the email is not dropped or rejected (virus, etc), the
>     receiving MTA sends a 599 return *WITH A SHORT MESSAGE/URL POINTING
>     TO A CAPTCHA TEST*.  (It doesn't have to necessarily be 599; this is
>     just an example).
>   - The sender gets the reject message, reads it, and jumps through
>     flaming hoops as per current methodology

I believe I suggested almost the same mechanism almost exactly a year
ago in response to ISACS:
http://www.mhonarc.org/archive/html/ietf-asrg/2005-01/msg00078.html

It was pretty much ignored then. Maybe I should just implement it and
see how it works.

	hp


-- 
   _  | Peter J. Holzer    | Ich sehe nun ein, dass Computer wenig
|_|_) | Sysadmin WSR       | geeignet sind, um sich was zu merken.
| |   | hjp at hjp.at         |
__/   | http://www.hjp.at/ |	-- Holger Lembke in dan-am

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