Anyone using zen.spamhaus.org?

[Ed Bruce]

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Res wrote:
> On Fri, 8 Sep 2006, Logan Shaw wrote:
> 
>> On Fri, 8 Sep 2006, Res wrote:
>>> On Thu, 7 Sep 2006, Logan Shaw wrote:
>>
>>>> Yes, he was saying that, before greylisting, 12-15% of the
>>>> traffic gets marked as clean.  Presumably that is because
>>>> 12-15% of the traffic IS clean, and the rest is not.  Then
>>>> after greylisting, 80% of the traffic got marked as clean.
>>>> Presumably that means 80% of it IS clean.
>>
>>> Then SA cant be that effective for him.
>>
>> That doesn't make any sense mathematically.
>>
>> If I get 100 messages and 20 of them are spam and 80 of them
>> are ham, and if SpamAssassin catches all 20 spams and nothing
>> else, how does that qualify as "not that effective"?
> 
> depends on how you have your SA setup, mines a  'no mercy' approach
> his and yours clearly cant be.
> 
> Like I said try running greylisting on a network that does several
> million emails per day with several MX's, you might say ok retry in 1
> minute, but most daemons wait 10, so by the time one of our guys gets
> his email its 40-50 minutes later, i would want to hope they werent in a
> critical ebay auction.
> 
> 

Well with the greylisting tool I'm using (sqlgrey) that only happens
once. After a 2nd email is received after the specified delay time that
from address is whitelisted. After a set number of different email
addresses from a domain are whitelisted then the whole domain is
whitelisted.

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