Re: [Exim] Basic teergrubing with Exim 4.11

Tabor J. Wells wrote:
> On Thu, Dec 12, 2002 at 03:14:44PM -0700,
> Kevin P. Fleming <kpfleming@???> is thought to have said:
>
>
>>Anyone have any more suggestions?
>
>
> You could look for attempted dictionary attacks for any host by using
> $rcpt_fail_count and start delaying when it reachs some threshold.

More interesting is to raise the delay with every failed address

${eval:$rcpt_fail_count*30}

:)))

ciao