[Mailman-Users] Reverse DNS

[Dave Klingler]

Hi Paul.  

Note that these instructions require you to have your own DNS.  If you don't
you'll have to get your upstream ISP to make these changes to their reverse
DNS host lookup database.

Contact your upstream ISP and ask them to delegate authority for your domain
to your primary DNS.  Then set up a reverse DNS host lookup file for your 
own DNS, if you haven't already done so.

To test it, get into nslookup and type an IP address on your network.  You
should get the host name associated with that IP address back.  For instance:

$ nslookup
Default Server:  iath.commercedata.com
Address:  208.248.173.1

> 208.248.173.32
Server:  iath.commercedata.com
Address:  208.248.173.1

Name:    mail.commercedata.com
Address:  208.248.173.32

> exit
$

Hope that helps.

- Dave Klingler



> I have been having trouble delivering my mailing lists to AOL 
> subscribers....today I spoke with a tech at AOL and he told me that the 
> problem was the my site didn't have its "reverse DNS" set up correctly and 
> therefore my emails were considered "suspect". His solution was to correct 
> the Reverse DNS.
> 
> Anyone have any clues as to how I go about doing this and exactly what it 
> entails?
> 
> TIA
> 
> Paul
> 
> 
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