redirect incoming email

To: qmail@xxxxxxxxxxxxx
Subject: redirect incoming email
From: ip guy <persip@xxxxxxxxx>
Date: Fri, 08 Feb 2008 15:48:41 +1100
Delivered-to: de5-qmail@sws5.ornl.gov
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Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type; b=r8YyZvL3sN5Nt+/S3sIWuv7VTSBh1S3GBnLNE4Ok3e35z9KF0VPo/fCbvKsGpsf+vN0UUOtH7YbLptg48gQUoUyaTgl/wt2R2Ve64iURRDER6REThHW/pq25axoXiF+3YYTizJN1m6x73PSb64yiH09dKJ0zHI03L7icBqJ+Mjw=
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hi all

anyone know how i can redirect an incoming email to our local domain to a separate internal address ?