Re: Unable to send mail to a particular domain

  • From: Danny <nocmonkey@xxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 30 Sep 2004 22:05:13 -0400

On Thu, 30 Sep 2004 21:04:47 -0600, Gautam <jkakkar@xxxxxxxxx> wrote:
> http://www.MSExchange.org/
> 
> Hi
> We are using Exchange 2000 Enterprise Editioin. Since couple of days we
> are not able to send mails to a particular domain whereas we are able to
> send mails to all other domains. We have spoken to the Exchange Admin of
> that firm and he says that he hasn't filtered anything nor has he blocked
> us.They are using Sendmail as a MailServer.
> But the firm have the same ISP and I have also spoken to our ISP but they
> also say that they haven't put an Access List so that we are not able to
> route mails to that domain.
> I even tried to create a connector but when i give the address space its
> give an error that the domain does not exist. But when i do a NSLOOKUP it
> resolves and i am also able to do telnet on port 25.
> Please tell me what should i do to resolve the issue.

Post the NDR (non-delivery report) error message you receive when you
attempt to send them an email.

Tell them to check their Sendmail server logs at the same time. Compare notes.

...D


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