Re: [Exim] failed to find host name from IP address

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Author: Suresh Ramasubramanian
Date:  
To: zabbe, exim-users
Subject: Re: [Exim] failed to find host name from IP address
At 12:27 AM 28-08-02 +0200, zabbe wrote:
>2002-08-28 00:16:21 recipient <abxxadxxn@???> refused from
>(hotmail.com) [200.27.89.146] sender=<5rdoi3xg@???> (failed to
>find host name from IP address)
>2002-08-28 00:17:17 recipient <mikael.wendt@???> refused from
>(relay.enpia.net) [211.106.159.46] sender=<almohamed@???>
>(failed to find host name from IP address)


Some idiot is trying to use your server as an open relay and failing.

The IP he is connecting from doesn't have any rDNS, so that "failed to find
host name from IP address" is logged as you have reverse DNS checking
enabled in your exim configuration.

         -srs