DNS problem

Michael Voight mvoight at cisco.com
Fri Jul 30 05:21:14 UTC 1999


Perhaps you could give us the address. It looks like you mailer can't
find the PTR record for the originator of the mail. What happens on the
mail system if you do a "nslookup <ip address>"?

Kandhalu Bhaskar wrote:
> 
> Hi all,
> 
>      We have a Linux 4.2 machine as firewall and running BIND 4.9.6. Apart
> from that, we have 2 Windows NT machines as Primary and Secondary DNS
> servers. The secondary also acts as mail server running MS Exchange 5.5 /
> Internet mail servcice.
> 
>      Of late, we are having problems receiving mail from the internet,
> while we are able to send outbound mails. The following error message
> appears in the bounced mail.
> 
> "The specified address contains a host or domain name that could not be
> found by the Domain Name Server or local hosts file."
> 
>      Can you help me out in identifying the bug and how to fix it ?
> 
> Thanking in Advance
> 
> Cheers
> 
> Bhaskar


Michael

K


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