Thanks Maxwell. Our recent changes was, we only put our Mail Server 
mail.altcladding.com.ph behind cisco firewall with NAT and still use the same 
DNS & IP.

Regards,
Malvin

You appear to have a DNS error.

a61.com.sg resolves to 202.166.88.42 and not 203.125.98.162  Did you recently 
change your DNS?


On 04/20/2011 01:44 AM, [email protected] wrote:
Hi All,

We keep on receiving bounce back email when sending to specific client. Can 
someone help us identify what is causing the problem. Please see below sample 
bounce back email:

----- Original Message ----- From: <[email protected]>
To: <[email protected]>
Sent: Thursday, April 14, 2011 4:02 PM
Subject: failure notice



Hi. This is the qmail-send program at mail.altcladding.com.ph.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.

<[email protected]>:
User and password not set, continuing without authentication.
203.125.98.162 does not like recipient.
Remote host said: 450 Client host rejected: cannot find your hostname, 
[122.3.237.69]
Giving up on 203.125.98.162.
I'm not going to try again; this message has been in the queue too long.

<[email protected]>:
User and password not set, continuing without authentication.
203.125.98.162 does not like recipient.
Remote host said: 450 Client host rejected: cannot find your hostname, 
[122.3.237.69]
Giving up on 203.125.98.162.
I'm not going to try again; this message has been in the queue too long.


Regards,
Malvin




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---------------------------------------------------------------------------------
 Qmailtoaster is sponsored by Vickers Consulting Group 
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support and installations. If you need professional help with your setup, 
contact them today! 
---------------------------------------------------------------------------------
 Please visit qmailtoaster.com for the latest news, updates, and packages. To 
unsubscribe, e-mail: [email protected] For 
additional commands, e-mail: [email protected]


---------------------------------------------------------------------------------
Qmailtoaster is sponsored by Vickers Consulting Group 
(www.vickersconsulting.com)
    Vickers Consulting Group offers Qmailtoaster support and installations.
      If you need professional help with your setup, contact them today!
---------------------------------------------------------------------------------
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