[ILUG] Re: [GLUG-tech] exim and grey listing
davisc at skynet.ie
Thu Aug 2 19:58:07 IST 2007
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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.
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