Re: anti-relaying

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Author: Philip Hazel
Date:  
To: Dom Mitchell
CC: exim-users
Subject: Re: anti-relaying
On Fri, 5 Sep 1997, Dom Mitchell wrote:

> I think various people are already putting together sample
> configuration files for exim an so on, but could we please have
> the default exim configuration have a line like:
>
> sender_host_reject_relay = "*"


I will at the very least put that in commented out, with explanatory
text. If there is lots of support on the list for not commenting it out,
I will leave it uncommented.

> Another option which shuold probably be given much the same treatment
> is "helo_verify_nets", which (I think) will cause the "Received:"
> header to contain the reverse lookup of the IP address, as opposed
> to what is actually given in the "HELO" command. Perhaps there
> should be another string expansion which could then be used to log
> what was said at HELO time in the Received header...


Personally, I feel that reverse-looking up every message that arrives is
a waste of net resources, which is why it isn't the default. But again,
I'm happy to put something in that is commented out.

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



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