Re: Greylisting (was Re: "Fairly-Secure" Anti-SPAM Gateway Using OpenBSD, Postfix, Amavisd-new, SpamAssassin, Razor and DCC ? Can I get your opinion?)

[Andrzej A. Filip]

On 11/29/2012 09:53 PM, David F. Skoll wrote:
> On Thu, 29 Nov 2012 21:27:19 +0100
> "Andrzej A. Filip" <andrzej.fi...@gmail.com> wrote:
>
>> Do you treat "yahoo like" spam sources in the same way?
> With respect to greylisting, of course.  If a machine passes greylisting once,
> it's extremely likely to pass it in future and it's an utter waste of
> time to greylist it.
Does greylisting increase chances of bulk detectors (razor/pyzor/dcc) in
case of "yahoo like" spam sources?
[ based on your experience ]