[NTLUG:Discuss] Sendmail slow to respond

Jay Urish j at unixwolf.net
Thu May 12 14:31:07 CDT 2005


I fubared...
here is how I got nslookup to talk to that server.

It looks ok.


root> nslookup
 > server 66.17.131.9
Default server: 66.17.131.9
Address: 66.17.131.9#53
 > ti.com
Server:         66.17.131.9
Address:        66.17.131.9#53

Non-authoritative answer:
Name:   ti.com
Address: 192.91.75.213
Name:   ti.com
Address: 192.91.75.214
 > yahoo.com
Server:         66.17.131.9
Address:        66.17.131.9#53

Non-authoritative answer:
Name:   yahoo.com
Address: 66.94.234.13
Name:   yahoo.com
Address: 216.109.112.135
 > sex.com
Server:         66.17.131.9
Address:        66.17.131.9#53

Non-authoritative answer:
Name:   sex.com
Address: 209.81.7.23

Neil Aggarwal wrote:
> Jay:
> 
> Here is the content of the /etc/resolv.conf file:
> 
> search homexcorp.com
> nameserver 66.17.131.9
> nameserver 66.17.131.10
> nameserver 206.123.70.52
> 
> When I do nslookup 66.17.131.9 on my laptop, I get
> this output:
> 
> C:\Documents and Settings\Neil Aggarwal>nslookup 66.17.131.9
> *** Can't find server name for address 192.168.1.1: Non-existent domain
> *** Default servers are not available
> Server:  UnKnown
> Address:  192.168.1.1
> 
> Name:    ns1.americanwebhost.net
> Address:  66.17.131.9
> 
> Does this help?
> 
> Thanks,
> 	Neil
> 
> --
> Neil Aggarwal, JAMM Consulting, (214)986-3533, www.JAMMConsulting.com
> FREE! Valuable info on how your business can reduce operating costs by
> 17% or more in 6 months or less! http://newsletter.JAMMConsulting.com
> 
> 
>>-----Original Message-----
>>From: discuss-bounces at ntlug.org 
>>[mailto:discuss-bounces at ntlug.org] On Behalf Of Jay Urish
>>Sent: Thursday, May 12, 2005 1:50 PM
>>To: brad angelcyk; NTLUG Discussion List
>>Subject: Re: [NTLUG:Discuss] Sendmail slow to respond
>>
>>
>>I'm telln ya'
>>Its gotta be DNS.
>>Neil,
>>
>>Take the first host in resolv.conf and do a nslookup <host IP>
>>
>>That will fire up nslookup and tell it to look at that IP for name 
>>resolution. 10bux sez it just times out.
>>
>>
>>brad angelcyk wrote:
>>
>>>How long does it take to restart the sendmail process?  I had this
>>>same problem, and just restarting the process would take a good
>>>minute.  Fixing DNS/hosts got it working like it should, though.
>>>
>>>
>>>On 5/12/05, Neil Aggarwal <neil at jammconsulting.com> wrote:
>>>
>>>
>>>>Hello:
>>>>
>>>>This is strange.  Today, two different clients called me telling me
>>>>that they are unable to send email from Outlook.  They keep getting
>>>>a message that their connection timed out when connecting 
>>
>>to the SMTP
>>
>>>>server.
>>>>
>>>>I am at one of these clients' sites and when I do:
>>>> telnet 192.168.1.1 25
>>>>it takes about 30 seconds to give me a response from sendmail.
>>>>
>>>>I eventually get back:
>>>> 220 www.homexcorp.com ESMTP Sendmail 8.12.11/8.12.11; 
>>
>>Thu, 12 May 2005
>>
>>>>11:55:22 -0500
>>>>which looks like, but it takes a long time to get it.
>>>>
>>>>I believe this is the source of the problem -- Outlook gives up when
>>>>waiting for sendmail to respond.
>>>>
>>>>Any ideas what could be happening?
>>>>
>>>>I find it strange that two separate people called me with the exact
>>>>same symptoms on the same morning.
>>>>
>>>>Thanks,
>>>> Neil
>>>>
>>>>--
>>>>Neil Aggarwal, JAMM Consulting, (214)986-3533, 
>>
>>www.JAMMConsulting.com
>>
>>>>FREE! Valuable info on how your business can reduce 
>>
>>operating costs by
>>
>>>>17% or more in 6 months or less! 
>>
>>http://newsletter.JAMMConsulting.com
>>
>>>>_______________________________________________
>>>>https://ntlug.org/mailman/listinfo/discuss
>>>>
>>>
>>>
>>>_______________________________________________
>>>https://ntlug.org/mailman/listinfo/discuss
>>
>>_______________________________________________
>>https://ntlug.org/mailman/listinfo/discuss
>>
> 
> 
> 
> _______________________________________________
> https://ntlug.org/mailman/listinfo/discuss




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