[NTLUG:Discuss] Sendmail slow to respond

[Jay Urish]

I have seen this before...Damnit,,
I just remember what the issue was..

I keep thinking DNS

Just cause you ping the DNS server doesn't mean that its up.. The box 
could be running but Bind may have puked.


Neil Aggarwal wrote:
> Jay:
> 
> I checked the nameserver listed in /etc/resolv.conf.  I 
> pinged each one and they respond quickly.
> 
> I also timed the response.  It takes eactly two minutes to
> respond, which is strange.  I can repeat it as many times
> as I want and it takes exactly 2 minutes.
> 
> 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 1:10 PM
>>To: NTLUG Discussion List
>>Subject: Re: [NTLUG:Discuss] Sendmail slow to respond
>>
>>
>>Usually this is indicative of a DNS problem. Check 
>>/var/log/mail and see 
>>what it says.
>>
>>Neil Aggarwal 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
>>
> 
> 
> 
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