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From: "Zhang Weiwu" <weiwuzhang@hotmail.com>
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Date: Tue, 23 Mar 2004 22:30:32 +0800
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Subject: Re: tell sendmail to use a different dns server?
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Zhang Weiwu wrote:


>> Zhang Weiwu wrote:
>>
>
>>>> Hello. I'm using the dns service on a router box. This router does 
>
>>
>> provide dns service, on which every computer in the LAN has a local
>> domain name (computername.our.lan)
>>
>
>>>>
>>>> Now the built in dns server's function is limited; it does not relay 
MX 
>
>>
>> type of record. Thus sending mail using sendmail always get hostname
>> lookup failure.
>>
>
>>>> 1. If I change my name server address in resolv.conf to use my ISP's 
dns 
>
>>
>> server, I cannot access lan computers using local hostnames.
>>
>
>>>> 2. If I use our dns server, I cannot send mails through sendmail.
>>>>
>>>> So what should I do? Can I ask sendmail to use ISP's dns server, while 

>
>>
>> the rest programs use local dns server?
>> I just realized I can do this in resolve.conf:
>> ====
>> # our LAN's dns server
>> nameserver 192.168.0.1
>> # ISP
>> nameserver 202.101.103.54
>>
>> Hope this is the best method.


But this works on my notebook but not on my desktop computer, both 5.2
RELEASE

dino is my desktop computer:
dino# cat /etc/resolv.conf
search realss
nameserver 192.168.0.138
nameserver 202.101.103.54
dino# host -t mx hotmail.com
Host not found, try again.

thinkpad is my notebook:
thinkpad# cat /etc/resolv.conf
search realss
nameserver 192.168.0.138
nameserver 202.101.103.54
thinkpad# host -t mx hotmail.com
hotmail.com mail is handled (pri=5) by mx4.hotmail.com
hotmail.com mail is handled (pri=5) by mx1.hotmail.com
hotmail.com mail is handled (pri=5) by mx2.hotmail.com
hotmail.com mail is handled (pri=5) by mx3.hotmail.com

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