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At 5:46 PM -0500 7/1/00, Jerry Pasker wrote:
Re: Reverse DNS
From: Men & Mice Support
Date: Sunday, July 2, 2000
Time: 1:33:42 am
>>Can you tell me if my reverse dns is set up properly? I was having
>>mail rejected by AOL and someone told me that AOL will reject mail if
>>the reverse dns does not come back properly. I am nextnet.com at
>>207.246.235.210
>>
>>Thankyou
>>Mark
>>
>
>I don't know about your entire reverse, but your IP of your mail server
>resolves back just fine. Shouldn't be any problems. Is your mail server
>set up with the right domain name? When your mail server issues a HELO,
>it's going to need to know that it's name is nextnet.com. If it thinks
>it's mail.nextnet.com, because you've set that in the mail server settings,
>but the IP number of the machine resolves back to nextnet.com, it might
>annoy some other mail servers. Maybe even enough to generate and error and
>cause a bounce, or misrouted (or black holed) e-mail. You never can be too
>sure.
The mail server responds as nextnet.com, so that's not the problem.
I was going to suggest adding an MX record (for more reliable
incoming mail service), because initially I didn't see one - I
queried your second server (ns2) first. Then I noticed that ns1 and
ns2 have different versions of your domain - you should configure ns2
to keep itself up-to-date automatically. It's been out of date for a
month.
To do this, remove the "primary domain" on ns2 for nextnet.com. Then
open the Secondary Data window from the Window menu and add a record
for nextnet.com. The fields you should fill in are:
Domain Name: nextnet.com.
Filename: nextnet.com.
IP Address 1: 207.246.235.210
I'm guessing the reason AOL is rejecting email from you is that your
mail server is an open relay. Communigate should have decent
anti-spam rules; configure them. You might also want to check to see
if you're on any of the black-hole lists (ORBS, MAPS, etc.).
____________________________________________________________________
Chris Buxton cbuxton@menandmice.com
Men & Mice http://www.menandmice.com
Makers of: QuickDNS Pro
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