Re: [Exim] TARPIT ACL - for Spam Control

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Συντάκτης: Tony Earnshaw
Ημερομηνία:  
Προς: exim-users
Αντικείμενο: Re: [Exim] TARPIT ACL - for Spam Control
man, 12.05.2003 kl. 13.32 skrev Giuliano Gavazzi:

> >I'd like to use this to warn a sender why they see a slow response:
> >they are on
> >a DUL list.
>
> the sender is not a human (at this level). If you accept it means
> that the message will be delivered. So it cannot generate a temporary
> or permanent failure, the only way to have an error message generated
> and sent back to the sender. And note that under temporary error
> conditions the error message is only generated after the delivery
> attempt has failed for a certain amount of time.


Then why would a seasoned mailadmin like Marc Merlin both have built
just this facility into SA-Exim and take great pleasure in exploiting
it? (http://marc.merlins.org/linux/exim/sa.html) His version tarpits and
taunts with an exhortation per line of data.

I use SA-Exim with huge profit, but don't use this method personally,
since I agree with you that there is a machine on the other end.
However, the MTA submitting the spam would definitely have this in its
logs - if the spammer is bright enough to know about logs.

Personally, I don't give an eff about tarpitting or spam, as long as I
never receive the latter, which is what I use SA-Exim and SpamAssassin
for.

Best,

Tony

--
Tony Earnshaw

There's none so daft as them as will not learn.

http://www.billy.demon.nl
Mail: tonni@???