I've contacted my provider, Bellsouth, requesting they change the record.

Is the test to check the domain of the PTR record against a list of known ISPs?

adamc


Len Conrad wrote:

The IP address of the server that connected directly to our mail server had a reverse DNS lookup that resolved to a dialup or DSL network.


policy of rejecting subscriber access networks based on PTR hostname. highly recommended

Do I need to ask bellsouth to change the ptr to my server's name?


specifically, the PTR record for your server's IP.

Len

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Use the following web site 24 hours after you have your PTR entry changed:
www.dnsreport.com

Here is an example link of the output:

http://www.DNSreport.com/tools/dnsreport.ch?domain=robinsonmfg.com


-Greg.


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