On Sat, 2014-08-23 at 13:01 +0100, Jeremy Harris wrote:

> On 23/08/14 01:50, Systems Controllor wrote:
> > The above condition, found on the Internet, can not discriminate between
> > the absence of a host name and the absence of a Reverse DNS entry.
> 
> What are you defining as "absence of a host name" ?


A look-up using the sender's IP address produces:  3(NXDOMAIN) 

-- 
Regards,

Paul.
England, EU.

   Centos, Exim, Apache, Libre Office.
   Linux is the future. Micro$oft is the past.


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