From user@domain  Fri Feb 22 17:06:23 2008
From: user@domain.org
Date: Sat, 24 Mar 2007 23:00:00 +0200
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Root MIME prologue

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aGVs
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--foo bar
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  aGVs    
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    bGQ= 


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aGVsbG8g
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aGVsbG8gdG8gZXZlcnlvbmUh
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