Re: [Asrg] Passive Spam Revocation

[Rich Kulawiec <rsk at gsp.org>]

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