Re: [EXIM] Problems with spam direct from PoPs

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Author: Philip Hazel
Date:  
To: Alan Thew
CC: Exim List
Subject: Re: [EXIM] Problems with spam direct from PoPs
On Mon, 16 Feb 1998, Alan Thew wrote:

> As others may have seen, the "new generation" of spam software does direct
> injection to our/your MTA, no smarthost/3rd part relay etc.
>
> In some cases, the best thing is to just block IP address ranges etc.
> However all attacks seen here so far have blank To: and From: fields. I'm
> still running 1.73 and wondered what the easiest way to trap this.


System filter:

if $h_to is "" and $h_from is "" then .....

-- 
Philip Hazel                   University Computing Service,
ph10@???             New Museums Site, Cambridge CB2 3QG,
P.Hazel@???          England.  Phone: +44 1223 334714



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