Looks like something got messed up and either the person is forward to a
program without executable permissions (such as filter or procmail) or
their mailbox had permissions somehow removed.
 
Nuke 'em till they glow would be my solution :-)
 
____        Robert A. Hayden          <=> [log in to unmask]
\  /__          -=-=-=-=-             <=>          -=-=-=-=-
 \/  /   Finger for Geek Code Info    <=> Political Correctness is
   \/  Finger for PGP 2.3a Public Key <=> P.C. for "Thought Police"
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(GEEK CODE 1.0.1)  GAT d- -p+(---) c++(++++) l++ u++ e+/* m++(*)@ s-/++
                       n-(---) h+(*) f+ g+ w++ t++ r++ y+(*)