Re: [Exim] An idea re stopping spam

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Autor: Andreas Metzler
Datum:  
To: exim-users
Betreff: Re: [Exim] An idea re stopping spam
On Tue, Dec 02, 2003 at 05:51:52PM +0000, Adam Newby wrote:
> This may have been thought of before, but...


> If spam filtering (not just RBL, but rules-based filtering) were built
> into Exim, *and a time penalty were introduced on receipt of a spam*, ie
> the connection was held open but Exim failed to respond for a long period,
> might this, if widely used, make it harder for spammers to operate?


Perhaps. ;-)

> Would it be possible to implement this in exim.conf using the current
> version of exim?


This is called "teergrubing" (tarpitting?), and exim4 enhanced with
the sa-exim plugin can do this.
                cu andreas
--
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