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(_dot_)at |
__/ | http://www.hjp.at/ | -- Holger Lembke in dan-am
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