Whatever this means?!??

:
The user does not accept email in non-Western (non-Latin) character sets.

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Received: (qmail 18832 invoked from network); 27 Mar 2007 23:14:14 -0000
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for ; 27 Mar 2007 23:14:14 -0000
Received: (qmail 31435 invoked from network); 27 Mar 2007 23:14:14 -0000
Received: from unknown (HELO web51409.mail.re2.yahoo.com) ([206.190.38.188])

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Received: (qmail 35654 invoked by uid 60001); 27 Mar 2007 23:14:10 -0000