sendmail not working

HI experts. I am using sendmail and bind on  Red Hat 9.
I recently updated my nameservers IP addresses.  
1. I have used to update the change in ip addresses
2. I have changed /var/named files to reflect the changes

my web page is working fine but the mail server is not....
can someone please help??
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Hi kephillips,
Check /etc/resolv.conf has your correct nameservers listed.

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kephillipsAuthor Commented:
it only has one nameserver listed. The ip address for eth1 which is my external device.
In your named.conf have you got it configured to listen on that IP address?
kephillipsAuthor Commented:
Thanks very much. You were right i hadn't set /etc/resolv.conf right.
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