Re: Reverse IP lookups

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Author: Philip Hazel
Date:  
To: Greg A. Woods
CC: T. William Wells, exim-users
Subject: Re: Reverse IP lookups
On Wed, 10 Sep 1997, Greg A. Woods wrote:

> Note also that there's no reason why a given mail site cannot violate
> RFC 1123's "robustness principle" for local policy reasons and simply
> reject HELO's where the greeting parameter doesn't match the peer source
> address (or indeed even if the PTR name doesn't match). It might be
> nice if exim supported such "hard" restrictions too for those that wish
> to make more restricive policy implementations.


OK. Suggestion noted. An option to cause rejection would have to come in
two flavours to cope with the case when the reverse lookup couldn't be
done at the time - accept anyway or reject with soft error.

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



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