[NTLK] Fwd: Returned mail: User unknown

The message below was sent to me. I did not send any message to
NewtonTalk today. Any comments.
John
Begin forwarded message:
> Resent-From: tmeehan@x2001.com
> From: postoffice@mail.continuity.cx
> Date: April 7, 2007 3:38:21 PM GMT+02:00
> To: newtontalk@newtontalk.net
> Subject: [NTLK] Returned mail: User unknown
> Reply-To: newtontalk@newtontalk.net
>
> The original message was received at 2007-04-07 07:35:01 -0600
> from postoffice.local [10.0.0.1]
> ----- The following addresses had permanent fatal errors -----
> <tmeehan@x2001.com>
>
> -----Transcript of session follows -----
> ... while talking to postoffice.local.:
>>>> RCPT To:<tmeehan@x2001.com>
> <<< 550 5.1.1 unknown or illegal alias: tmeehan@x2001.com
> 550 <tmeehan@x2001.com>... User unknown
>
>
> --
> This is the NewtonTalk list - http://www.newtontalk.net/ for all
> inquiries
> Official Newton FAQ: http://www.chuma.org/newton/faq/
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> wikiwikinewt/
>

-- 
This is the NewtonTalk list - http://www.newtontalk.net/ for all inquiries
Official Newton FAQ: http://www.chuma.org/newton/faq/
WikiWikiNewt for all kinds of articles: http://tools.unna.org/wikiwikinewt/