Re: Understanding about dns and exchange

  • From: Danny <nocmonkey@xxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 24 Sep 2004 15:00:38 -0400

On Fri, 24 Sep 2004 14:44:13 -0400, Musser, Dale <musser@xxxxxxxxxxxxxx> wrote:
> http://www.MSExchange.org/
> 
> OK
> I must be new at this because I am lost.
> I have no idea where to go next.
> This is my problem.
> We have a new exchange 2003 server installed and I am having the same
> problem with multiple people.
> Some emails come back as failures because the virtual SMTP server can
> not confirm the dns examples : yahoo and aol.
> I liked the days when we just sent all emails from our company to our
> internet providers smtp and let figure this all out but instead we send
> directly.
> I can look at the queues and see failures like yahoo.com and 3 emails
> trying to get out but no good.
> There must be something I am missing here, I have been reading books and
> doing searches on the internet and nothing.

It appears that you do not have reverse DNS setup on the IP address
your mail server utilizes. Go to http://www.dnsreport.com and type in
your domain.

...D


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