Why on earth would you do this with OLE? You are invoking a sledgehammer when you need a flyswatter.

I would recommend MIME::Lite for this task.

    use MIME::Lite;

    ### Create a new multipart message:
    $msg = MIME::Lite->new(
                 From    =>'autoscript@my.com',
                 To      =>'me@my.com',
                 Subject =>'Credit Limit Increase (D & M)',
                 Type    =>'multipart/mixed'
                 );

    ### Add parts 
    $msg->attach(Type     =>'TEXT',
                 Data     =>"Tom,\nhere are the Credit Limit Reports."
                 );
    foreach my $attach (@attach)
    {
       next unless ( -e $attach);
       $msg->attach(Type     =>'application/vnd.ms-excel',
                    Path     => $attach,
                    Filename => $attach,
                    Disposition => 'attachment'
                   );
    }
    MIME::Lite->send('smtp', "smtp.my.com", Timeout=>60);
    $msg->send;
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