[chapter-delegates] problem sending to this list

[Franck Martin]

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

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 ?
>
>  
>

-- 
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Franck Martin
franck at sopac.org
"Toute connaissance est une réponse à une question"
G. Bachelard

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 256 bytes
Desc: OpenPGP digital signature
URL: <https://elists.isoc.org/mailman/private/chapter-delegates/attachments/20050522/193c066a/attachment.asc>