State of the art spam control?

[Fraser Campbell]

Taavi Burns wrote:

> I've been using greylist for a while now, and it seems to work pretty
> well.  The greylist scheme is:
> * The first time address A sends mail from IP B to address C, it is
> rejected with a temporary failure.
> * If A tries again form B to C within a certain timeframe (there is a
> minimum and maximum time limit, configurable), then the mail is
> accepted.

Excellent, I've thought so little about spam that I'd almost forgotten 
greylisting.  I wrote a little postfix policy daemon at one point that 
did this, I'm sure by now there's something I can drop in.  Will hunt 
for one and see how it goes.

Thanks
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