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

You do realize the difference between the:

1. Envelope sender (Not necesarily visible in any header)
2. Various Header sender addresses (From:, Sender:, Reply-To)
3. The sender-host.


If I connect to an SMTP server and say:


HELO WHATEVER
MAIL FROM:<johndoe@???>
RCPT TO:<juha@???>
DATA
From: friend@???
To: friend@???
Subject: spam spam spam

Hi there! Make money fast! Buy my product! blah blah blah!

.
QUIT

1. in this case is johndoe@???

The only item that fits 2. is the "From: friend@???"

3. Is determined by the IP address of the host I connect to your host
from..


sender_reject blocks based on 1.

This email would NOT be stopped by "sender_reject=friend@???"


On Tue, 14 Aug 2001, Juha Saarinen wrote:

> Maybe this is a FAQ (apologies if it is), but I'd like to have a simple
> "sender_reject_file =" (or "sender_reject_db =" option in exim.conf.
>
> Tried Suresh suggestion:
>
> sender_reject = @@partial-lsearch*;/etc/eximextra/blocked.senders
>
> prohibition_message = "${lookup{$prohibition_reason}lsearch
> {/etc/eximextra/reject.messages}{${expand:$value}}}"
>
>
> but it doesn't seem to work always.
>
> Cheers,
>
>

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