Sendmail takes ages to start at bootup

John Summerfield debian at herakles.homelinux.org
Thu Dec 20 06:08:57 UTC 2007


Simon Slater wrote:
> On Wed, 2007-12-19 at 20:51 -0600, Les Mikesell wrote:
>> That sounds like nothing provides an answer for the current
>>>> addresses (DNS nor the hosts file).
>>>>
>>>       Primary and secondary DNS are set in Network Configuration and
>> whois
>>> says they belong to my ISP.
>> Will they reverse-resolve the IP address of your interface(s)?  What 
>> does "nslookup your_IP_address" return?
>>
> Server:		203.8.183.1
That's the DNS server you asked. It comes from a range assigned to AAPT 
Limited.

> Address:	203.8.183.1#53
> 
> Non-authoritative answer:
The DNS server is providing a cached answer, the real answer might have 
changed (but it might be raining near you. Whoops, it is).

> 96.171.101.59.in-addr.arpa	name = C-59-101-171-96.mel.connect.net.au.
You can be addressed as C-59-101-171-96.mel.connect.net.au - that's your 
unique host name.

> 
> Authoritative answers can be found from:
The following are the authoratative name servers. If you don't believe 
203.8.183.1 then ask one of those.
> 171.101.59.in-addr.arpa	nameserver = warrane.connect.com.au.
> 171.101.59.in-addr.arpa	nameserver = yarrina.connect.com.au.
> yarrina.connect.com.au	internet address = 192.189.54.17
> warrane.connect.com.au	internet address = 192.189.54.33

connect is one of the older wholesalers in Oz. Probably it's an IAP for 
AAPT.

> 
> 	I'm not at all sure what this output means.  The laptop in question is
> connected to the internet over LAN to another box which has the dialup
> serial modem.  This is the current local IP address
? What is "this?"

> from /var/log/messages.

If you're starting up sendmail on your laptop (or any other computer on 
your LAN), those name servers aren't going to help your sendmail match 
up IP addresses it can see on your computer and their host names. That 
has to be organised on your own LAN; I generally set up bind as that 
scales well and I can add more computers, temporarily or permanently 
without any fuss such as fiddling with hosts files.


-- 

Cheers
John

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