Re: [exim] Tarpit SPAM valid in this day in age.

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著者: Dennis Davis
日付:  
To: exim-users
題目: Re: [exim] Tarpit SPAM valid in this day in age.
On Mon, 10 Dec 2018, Brent Clark via Exim-users wrote:

> From: Brent Clark via Exim-users <exim-users@???>
> To: exim-users@???
> Date: Mon, 10 Dec 2018 09:42:12
> Subject: [exim] Tarpit SPAM valid in this day in age.
>
> Just something I thought I would like to double check with the
> community.
>
> I am part of a team that has inherited some mail servers, and
> going through the Exim config, we are seeing some very old
> terminologies and methods used to try and curb spam.
>
> One that I am seeing is
>
> https://pastebin.com/RqDkQJUD
>
> So my question is, is Exim tarpitting still a valid tool to try
> and tie up spammers resources in this day and age?
>
> I tried Googling, but the latest I could find was from 2011.


OpenBSD uses a specific daemon:

https://man.openbsd.org/spamd

to perform blacklisting, greylisting, tarpitting etc.

(Don't confuse this with SpamAssassin's "spamd". They're completely
different.)

I gather that spamd used in conjunction with pf (their packet
filter) and a real mail daemon can be effective. I've never had to
use such a setup myself.
--
Dennis Davis <dennisdavis@???>