[chapter-delegates] problem sending to this list

Gene Gaines gene.gaines at gainesgroup.com
Sun May 22 01:14:17 PDT 2005


Saturday, May 21, 2005, 5:41:23 PM, Franck Martin wrote:

> Irwan,

> This is because when you send an e-mail to ISOC their mail system will
> check that the sender e-mail use a domain whihc exists. A DNS request is
> sent on the internet to check if your domain has a MX record. dig mx
> mainsyscon.net

BUT during the past 10 days, I get similar rejects when
attempting to send to through both of two major national US
ISPs.  And I sit in Virginia on big fat pipe.

I believe the chapter-delegates mail system is being cut over to
a different provider.

Of course your remarks do make good sense.

Gene Gaines

> If your DNS servers are somehow at the end of a slow pipe, the DNS
> answer may be received after the timeout (This is UDP, there are no
> guaranty of delivery in a timely maner). However the result will be
> received and cached in the ISOC local DNS, maiking the next request of
> their mail server succeed...

> What to do?
> On you end, get a faster, low latency Internet connection
> Put one of your DNS slave in a place where they have fast, low latency
> Internet connections
> On ISOC end, increase the value of the timeout, or the number of
> requests sent (/etc/named.conf file)

> Cheers

> Irwan Effendi wrote:

>>Dear all,
>>
>>I have been having intermitten problem sending to this list. Sometimes it
>>worked, sometimes it does not.
>>When it does not work, the reason is because "domain not found" and I tried
>>ping and failed. However, several hours later, it worked.
>>
>>Has anyone been having similar problem ?
>>
>>  
>>




-- 
Best regards,
 Gene                            mailto:gene.gaines at gainesgroup.com



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