Undelivered Mail Returned to Sender

[This is not a simple error mail.  Please see the end of this mail.  Kouichirou Eto]
[$B$3$l$OC1$J$k%(%i!<%a!<%k$G$O$"$j$^$;$s!#%a!<%k$N:G8e$r$4Mw2<$5$$!#9>EO(B $B9@0lO:(B]

This is the Postfix program at host eto.com.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the message returned below.

			The Postfix program

<[email protected]>: unknown user: "kouichirou"

----------------------------------------------------------------------
Hello, friends.

I changed my mail address to avoid SPAM mails.
Please contact me from web site. http://eto.com/2003/contact.html
Sorry for inconvenience.

Best Regards,
Kouichirou Eto

----------------------------------------------------------------------
$B9>EO$G$9!#(B

$BBgNL$N(BSPAM$B%a!<%k$KBP=h$9$k$?$a!"%a!<%k%"%I%l%9$rJQ99$$$?$7$^$7$?!#(B
$B;d$N(BWeb$B%Z!<%8$+$i$4O"Mm2<$5$$!#(B http://eto.com/2003/contact.html
$B$*<j?t$r$*$+$1$7$^$9!#(B

$B9>EO(B $B9@0lO:(B

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


-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf