my qmail doesnot email bounced when sender sent email to an incorrect address

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Subject: my qmail doesnot email bounced when sender sent email to an incorrect address
From: Winanjaya - CBN <winan888@xxxxxxxxxx>
Date: Wed, 03 Nov 2004 12:51:25 +0700
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Reply-to: Winanjaya - CBN <winan888@xxxxxxxxxx>

my qmail doesnot email bounced when sender sent email to an incorrect address? .. why?

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