Re: [exim] Add a header when reverse DNS fails or defers?

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Author: Philip Hazel
Date:  
To: Marc Sherman
CC: exim-users
Subject: Re: [exim] Add a header when reverse DNS fails or defers?
On Fri, 21 Jan 2005, Marc Sherman wrote:

> > Indeed. host_lookup_failed is badly documented. I will improve the
> > description for the next release. What a value of '1' means is "I tried
> > to look up a host name, and there wasn't one".
>
> How about setting it to "2" for the defer ("dunno") case?


The problem with that is that it is an incompatible change. All
configurations that are testing for "not zero" would start behaving
differently. As this is a sensitive area, I'm very wary of making such a
change. A safer approach, I suppose, would be to invent
host_lookup_deferred.

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