Re: [Exim] Nice way to cut down on spam.

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Autor: Sam Michaels
Fecha:  
A: Juha Saarinen, Eric Bullen
Cc: Phil.Pennock, exim-users
Asunto: Re: [Exim] Nice way to cut down on spam.
I'm sure there's a better way to do this in a DB, but I use:

sender_reject = lsearch;/usr/exim/reject_domains

in the conf file, and then reject_domains contains a list of domains from
spammers. Doesn't do much for the average hotmail spammer, but the big
repeat spammers get blocked quite effectively. Also works really well for
those annoying mailing lists you get stuck on that never remove you.

-Sam

----- Original Message -----
From: "Juha Saarinen" <juha@???>
To: "Eric Bullen" <ericb@???>
Cc: <Phil.Pennock@???>; <exim-users@???>
Sent: Monday, August 13, 2001 4:58 PM
Subject: Re: [Exim] Nice way to cut down on spam.


> On Mon, 13 Aug 2001, Eric Bullen wrote:
>
> > This is hardly anything to get confused about. I appreciate the concern
> > though- with a 99.5% hitrate, I'll take my chances (which is hardly

one).
> > Wait- it's down to 99% since Juha replied to me, and that bounced.
>
> Risking another mail bounce here, but... the reality of spam is that next
> to none comes directly from .cn, .kr or .jp. In the vast majority of cases
> it's US spammers relaying via Asian servers.
>
> If you are the only user on your system, or the other users are in total
> agreement with you, refusing mail from various IP blocks is fine. However,
> it's a very blunt weapon, as you've noticed, because the NIC information
> doesn't always tell you exactly where a certain IP range has been
> allocated. You are guaranteed to block mail that you want to receive.
>
> Unfortunately, I can't think of a good alternative, short of monitoring
> mail logs and keeping a manual blacklist.
>
> Hey... that would be a nice feature for Exim... a simple way to create and
> maintain a file or database of blocked senders. I don't mean keeping the
> addresses in exim.conf -- wouldn't it be good to have an "exim_blocked"
> file (e.g) for lookups, without exim.conf ju-ju?
>
> --
>
>
>
>
> Regards,
>
>
> Juha
>
>
> --
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