[ExchangeList] Re: Mail Sending problem to some domains, Urgent help needed

  • From: Supreet Singh <supreet20in@xxxxxxxxx>
  • To: exchangelist@xxxxxxxxxxxxx
  • Date: Mon, 11 Sep 2006 13:45:48 +0100 (BST)


As i mentioned it earlier we already have a reverse
entry for our server's public ip.

--- Jaspreet Singh <jsjolly@xxxxxxxxx> wrote:

Hi Supreet,
What you mentioned here is bit confusing.
Why are your DNS entries pointing to two different
hosts and that too not you server but ISP. (As i
understood from the mail).
Your MX record should be pointing towards your
server's "Public IP".
Also your published A record should be for the same

Also are you sure that you have reverse lookup entry
of your server on Public DNS? just to be doubly sure
go to http://network-tools.com and in this check
"Lookup" field for your server's "A" record and verify
the result. If you get the result like the one
mentioned below then your reverse entry is either not
configured properly or maybe not configured at all, as
was with me.Hope this should be of some help.
For eg.
IP address: xxx.xxx.xxx.xxx
No reverse lookup configured.
Host name: abc.xyz.com 
Jaspreet Singh Jolly

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