Unable to send email "Relaying denied"

[Craig White]

On Tue, 2005-06-14 at 22:06 +0100, nick wrote:
> Guys Help
> 
> I get this message when sending mail from email client, through FC3.
> Can anyone help to reslove this probelm?
> 
> our message did not reach some or all of the intended recipients.
> 
>       Subject:	RE: test message
>       Sent:	13/06/2005 23:46
> 
> The following recipient(s) could not be reached:
> 
>       'nick' on 13/06/2005 23:46
>             550 5.7.1 <xxxxx at xxxx.com>... Relaying denied. IP name
> lookup failed [192.168.1.2]
> 
----
<http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/ref-guide/s1-email-mta.html>

Craig