Mail System Error - Returned Mail

[Mail Administrator <Postmaster@mx.bigpond.com>]

This Message was undeliverable due to the following reason:

Each of the following recipients was rejected by a remote mail server.
The reasons given by the server are included to help you determine why
each recipient was rejected.

    Recipient: <amywilson@btamail.net.cn>
    Reason:    <amywilson>, No such user.


Please reply to <Postmaster@mx.bigpond.com>
if you feel this message to be in error.

The following attachments have been removed from the bounce message: rgzuy.zip
Reporting-MTA: dns; qsrv03sl.mx.bigpond.com
Arrival-Date: Tue, 8 Aug 2006 20:39:35 +0000
Received-From-MTA: dns; ths.kth.se (139.168.41.250)

Final-Recipient: RFC822; <amywilson@btamail.net.cn>
Action: failed
Status: 5.1.1
Remote-MTA: dns; 202.106.196.70 (202.106.196.70)
Diagnostic-Code: smtp; 550 <amywilson>, No such user.

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• To: amywilson@btamail.net.cn
• Subject: Returned mail: Data format error
• From: kf-web-archive@ths.kth.se
• Date: Wed, 9 Aug 2006 06:38:58 +1000

The original message was received at Wed, 9 Aug 2006 06:38:58 +1000
from ths.kth.se [142.176.249.56]

----- The following addresses had permanent fatal errors -----
<amywilson@btamail.net.cn>

----- Transcript of session follows -----
... while talking to server btamail.net.cn.:
>>> RCPT To:<amywilson@btamail.net.cn>
<<< 550 5.1.1 <amywilson@btamail.net.cn>... Invalid recipient

---