[BlueOnyx:06816] Re: Reverse DNS does not match SMTP Banner

[Larry Smith]

The SMTP banner has nothing to do with DNS, it is the local
name the server has for that IP address based on the /etc/hosts
file.  Check that file and make sure each IP on the box has the
correct name in the /etc/hosts file, restart sendmail and then
check (telnet <ip> 25) and the box should helo with the name
you put in the hosts file for that IP address.

-- 
Larry Smith
lesmith at ecsis.net

On Sat March 26 2011 19:21, KA0JON wrote:
> HI list,
>
> I moved my our-klan.com domain over to my other server, which is
>
> svr1.501ep.com , it has the domain 501ep.com on it at ip address
>
> 174.79.107.68.        When I use http://mxtoolbox.com
> <http://mxtoolbox.com/>   501ep.com
>
> Domain will pass the smtp test but when I do a test on our-klan.com
>
> Domain (at ip address 174.79.107.66 )
>
> I get a Warning - Reverse DNS does  not match SMTP Banner
>
>
>
> Could someone give me some idea what to do to clear it?
>
> I am running DNS on the svr.501ep.com Box.
>
>
>
>              David E. Kreifels
>
>
>
>
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