Mail delivery problems

[Peter Anderson]

In the last two days I have posted relies twice to the Python List. Each 
time my e-mail has listed successfully but I have received a reply like 
the following:

    This is an automatically generated Delivery Status Notification.

    Delivery to the following recipients failed.

    ajd at kring.com

    ------------------------------------------------

    Reporting-MTA: dns;delhi-prod01.india.kring.com
    Received-From-MTA: dns;kring-vt01
    Arrival-Date: Sun, 7 Sep 2008 07:16:17 +0530

    Final-Recipient: rfc822;ajd at kring.com
    Action: failed
    Status: 5.2.2
    X-Display-Name: Ajay Deshpande


    Subject: Re: Learning Python
    From: Peter Anderson <me at my_isp>
    Date: Sun, 07 Sep 2008 11:41:03 +1000
    To: python-list at python.org

    The text of my message...

Is this a problem?

Peter
-- 
*Peter Anderson*
There is nothing more difficult to take in hand, more perilous to 
conduct, or more uncertain in its success, than to take the lead in the 
introduction of a new order of things—Niccolo Machiavelli, /The Prince/, 
ch. 6