Hello,
I am trying to setup a LAN server and have installed a server version
of RH8.0. Using the default version of the sendmail.cf file. I am able
to send the mails from my local domain to the outside world (e.g.
yahoo.com,rediffmail.com...etc.). Now I want to exchange mails among
this server and the other machines on the LAN. I have gone through a
tutorial aritcle at www.linuxjournal.com on sendmail: Introduction and
Configuration. 
I tried to check the dns issues by using the command
>> nslookup -sil 192.168.1.42
>> Server : 202.56....
>> Address: 202.56....

** server can't find ......:NXDOMAIN

Then I checked the ports by using the commands
>> netstat -nl
The tcp port 25 was LISTENING 127.0.0.1.
I changed this to my ip address of the server 192.168.1.42.
by changing the following line in the sendmail.cf file
>> # SMTP daemon options
>> 0 DaemonPortOptions=Port=smtp,Addr=127.0.0.1, Name=MTA,
changed to 
>> 0 DaemonPortOptions=Port=smtp,Addr=192.168.1.42, Name=MTA,

After doing this I restarted the sendmail daemon using the rc script
/etc/init.d/sendmail.
Then I tried to send mail to the local host as well as to the outside
world. 
But it saying 
for localhost
>> root....Connecting to localhost.localdomain. via relay...
>> root....Deferred: Connection refused by localhost.localdomain.

and for outside world

>> [EMAIL PROTECTED] to localhost.localdomain. via relay..
>> [EMAIL PROTECTED]: Connection refused by
localhost.localdomain.

Now, when I keep the tcp port open for 127.0.0.1 then it works fine
for sending mails to the localhost as well as the internet.
But when I change it the IP address 192.168.1.42 then it gives the
above "Deferred" message which i feel is abnormal delivery.

I beg your help in this regard. 
Also I would request if someone could guide me setting up this
exchange of mails over LAN using sendmail.
Thanks.
Ashwin



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