greylisting with procmail

[Martin Marques]

Tim escribió:
> On Tue, 2007-02-06 at 04:21 +0800, Ed Greshko wrote:
>> FWIW, grey listing has cut incoming spam here by 80%.
> 
> What sort of time delay do you find it adds to getting your mail?
> 
> Looking at some systems that uses greylisting for my mail to go through,
> it can take several hours for some messages to get delivered.  It makes
> e-mail utterly useless for some things.  It also makes mail testing a
> right pain in the arse.  You can't set up filters and send yourself a
> test mail, well not unless you fancy spending days doing something that
> should just take minutes.

We're using postfix with postgrey and we don't have that amount of delay.

I also haven't seen such a drastic cut in spam messages as to 80%, but 
maybe 40% or 50%. We do have other spam tools installed as well.

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Martín Marqués          |   Programador, DBA
Centro de Telemática	|     Administrador
                Universidad Nacional
                     del Litoral
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