[ILUG] Re: [GLUG-tech] exim and grey listing

[Cian Davis]

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Colm Buckley wrote:
> On 02/08/07, Daniel Shaw <dshaw78 at gmail.com> wrote:
>>> How well does grey listing work ?
>> Very very very well.
>
> If you can live with the false positive rate.  Which is nonzero

I do agree that it works very, very well but there is a gotcha.
Depending on the sending MTA, the delay can be minutes or hours. I
would imagine that business people would be unwilling to wait that
long. It does become a PITA every now and again. However, it's cut my
spam from >150/day to about 5-6 a day.

Regards,
Cian


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