Re: CAPTCHA over smtp (yet another spam solution to discuss)

David Sanchez wrote:

>Please, please, agree with me in something :-D

Here:

>> >> >>On the Internet, unless we're talking yesteryear's UUCP 
>> >> >>connections, you can approach anyone instantly.
>> >> >
>> >> >This is, from my point of view, not necesarily true.
>> >>
>> >>Example?
>> >
>> >When i send you an e-mail, you can be off-line :-)
>>
>>But an agent of mine will happily accept your email on my behalf.
>
>Like an MTA? :-P

Yes, like an MTA.

However, the "transfer" in that suggests there may be a chain of them.  
I take exception to the claim that there is a fundamental need to chain 
MTAs.

[Greylisting]
>> >This has little to do with being the sender who stores the mail.
>>
>>Greylisted senders have got to store greylisted messages in their 
>>output queues.
>
>I meant, greylisting is not related with im2000.

But it is.  It is a clunky implementation of it, although mostly 
backwards-compatible with SMTP.

>I meant a transition plan from current e-mail and this C/R thingy :-P

Ah, I see.  Get a critical mass to adopt it.  If you can't do that, you 
can roll out neither "clean" IM2000 nor captcha-SMTP nor general-purpose 
C/R email nor anything.


--Joachim