Re: [Exim] system filter and null return path messages

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Author: Philip Hazel
Date:  
To: Dr. Douglas Gray Stephens
CC: Exim-users
Subject: Re: [Exim] system filter and null return path messages
On Mon, 26 Mar 2001, Dr. Douglas Gray Stephens wrote:

> I was considering modifying the system filter to use
>  if $header_from: contains "@sexyfun.net" then
>    if $return_path is "" then
>      seen finish endif

>
>    fail text "This message has been rejected since it has\n\
>                  \tthe signature of a known virus in the header."
>    seen finish
>  endif

>
> so that copies of the virus that have a null return path are
> discarded.


Seems very reasonable.

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.