Anyone using zen.spamhaus.org?

[Glenn Steen]

On 06/09/06, Res <res at ausics.net> wrote:
> On Wed, 6 Sep 2006, Logan Shaw wrote:
>
> >>> 12-15% of email id as clean. Now it is regularly 75-80% clean. And so
>
> >> ummm those figures are strange, you have 12-15% of clean mail accepting
> >> all, but yet 75-80% on all accepted with greylisting.. that doesnt compute,
>
> > It made sense to me.  Greylisting should reduce the amount
> > of spam.  Thus the amount of ham (things that are "accepted")
> > should go up as a percentage of total mail (that reaches
> > MailScanner).
>
> Ok I know it was late when i posted that, and its early now and im just
> sitting down to my first coffee of the day, but... does this still not
> mean SA is still missing 60% or so of spam, greylistd or not, if its spam
> SA would/should have picked it up regardless, just being greylisted meant
> it had to wait a bit of time before marking it as spam rather than
> instantly.
>
Why do you assume the spammers use an MTA that can handle a temp fail?
The point of greylisting isn't "wait a bit", it is "retry if you're real":-).
So Eds figures add up just fine.
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se