Re: [Asrg] Passive Spam Revocation

Yao Ziyuan <yaoziyuan@gmail.com> Mon, 26 October 2009 18:34 UTC

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Date: Tue, 27 Oct 2009 02:35:07 +0800
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From: Yao Ziyuan <yaoziyuan@gmail.com>
To: Anti-Spam Research Group - IRTF <asrg@irtf.org>
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Subject: Re: [Asrg] Passive Spam Revocation
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On Mon, Oct 26, 2009 at 9:26 PM, Pars Mutaf <pars.mutaf@gmail.com> wrote:
> What if the CAPTCHA needs to be solved before the status can be seen?
> That would work?

Right. The sender can set a "wait period" for every outgoing message
-- if the wait period is over and there is no reply, his mail client
can remind him to solve the CAPTCHA to see and fix the status.

>
> pars
>
> On Mon, Oct 26, 2009 at 1:41 PM, Rich Kulawiec <rsk@gsp.org> wrote:
>>
>> On Mon, Oct 26, 2009 at 11:08:15AM +0100, Jose-Marcio Martins da Cruz
>> wrote:
>> > On the other hand, consider valid the hypothesis that spammers don't
>> > know what kind of filter is being used (by some particular site) is also
>> > a bad idea.
>>
>> Oh, I agree.  It's long been known that [some] spammers have taken pains
>> to track the characteristics of target sites/systems/networks/etc.  And
>> some of those sites are (in various ways) "announcing" details of their
>> configuration to the outside world, which makes that task easier.
>>
>> ---Rsk
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