Slightly OT: Greylisting success or failure stories?

[Craig White]

On Fri, 2005-02-04 at 08:29 -0600, Aleksandar Milivojevic wrote:
> David Cary Hart wrote:
> > BTW, rbldnsd uses considerably less memory than NTPD. Blocking China and
> > Korea is an extremely effective technique. If we ever get a client in
> > the PRC, I'll be sure to whitelist them -;)
> 
> Some people tend to have Canada in the list too.  For whatever reason. 
> One person added entire .ca because he got single spam from Canadian 
> address (talk about trigger happy).
> 
> Anyhow, in todays world, blocking entire countries sucks.  It kills 
> mobility.  If somebody who's on vacation or bussiness trip in one of 
> those countries sends email to one of your users, it'll get blocked. 
> Now, you can say that possibility of that is low, but you never know 
> when you'll get bitten.  If you are doing such limitations, why stop 
> half-way, why not create a list of countries you want to communicate 
> with, and ban all the rest? 
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spoken like a true American  ;-)
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>  Because it is bad idea?
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that would not be the conclusion of a true American ;-)

This post by an American replying to post by non-American

Craig