nslookup and postfix

[bibhor dhungel]

thanks,
i will look into that. any advice regarding postfix?
bibhor

On 7/17/05, Corey Edwards <tensai at zmonkey.org> wrote:
> On Sun, 2005-07-17 at 19:17 -0600, bibhor dhungel wrote:
> > hi,
> > I just transferred the DNS for a company to another server (FedoraCore
> > 3) and i have been playing with the postfix. one of the problems i am
> > having is nslookup not working properly. For example when i type:
> > "nslookup servername" i get the "correct ip". But when i type
> > "nslookup ip.ip.ip.ip" i dont get the correct "servername". i heard
> > that some of the servers (like aol) do a reverse lookup when receiving
> > mail and then reject the email if these give two different results.
> > Is there a way to change this?
> 
> Lots of mail servers will do a reverse lookup. AOL is probably the most
> notable one who will reject mail if it fails, so you're right to get
> this set up properly.
> 
> You need to contact the responsible party for your IP block. That will
> likely be your network provider (also try 'whois <ip>'). They'll know
> what you're talking about.
> 
> Corey
> 
> 
> 
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