Re: [exim] ORDB blackilisting

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Author: Jeremy Harris
Date:  
To: exim-users @ exim. org
Subject: Re: [exim] ORDB blackilisting
Clive McDowell wrote:
> Folks,
>
> one of our mailhubs running exim 4.51 has found its way onto the ordb blacklist for open relaying. The headers of the relayed
> test message are as follows -
>
> Return-Path: <>
> X-Original-To: marvin@???
> Delivered-To: marvin@???
> Received: from ourhub [xxx.xxx.xxx.xxx]
>     by groundzero.ordb.org (Postfix) with ESMTP id E4A5B2AAFA
>     for <marvin@???>; Wed, 23 Nov 2005 17:31:33 +0000 (GMT)
> Received: from [217.157.38.18] (helo=ordb.org)
>     by ourhub with esmtp (Exim 4.51)
>     id 1EeySy-0000yd-MP
>     for marvin@???; Wed, 23 Nov 2005 17:31:33 +0000
> From: 
> To: marvin@???
> X-ORDB-Envelope-From: 
> X-ORDB-Envelope-To: marvin@???
> Subject: ORDB.org check (0.6707320564041690.2829569746) ip=xxx.xxx.xxx.xxx
> Message-Id: <20051123173133.E4A5B2AAFA@???>
> Date: Wed, 23 Nov 2005 17:31:33 +0000 (GMT)

>
> Are there any circumstances under which such messages should be allowed through or can I simply refuse messages with blank from
> headers? If the latter is there a routine way of doing this with exim.


Wouldn't you be better off not relaying from anyone
apart from a specific lists of IP addresses under your control,
plus senders who AUTH ?

The route you are taking would only patch that specific test done
by ORDB.

- Jeremy