use MIME::Base64;

$smtp->data();
$smtp->datasend( "\nSubject: $subj \nMIME-Version: 1.0" );
$smtp->datasend( "\nContent-Type: multipart/mixed;boundary=\"Bb0uNddArray\"" );
$smtp->datasend( "\n--Bb0uNddArray" );
$smtp->datasend( "\nContent-type: text/plain" );
$smtp->datasend( "\n\n$msg\n\n" );    # plaintext body
 
if( $attachement )
{

   $smtp->datasend( "--Bb0uNddArray" );
   $smtp->datasend( "\nContent-Type: $content_type; name=\"$filename\"" ); 

  $smtp->datasend( "\nContent-Transfer-Encoding: base64\n\n" );

      while ( read( $file, $buff, 512 ) 
       {
	$smtp->datasend( encode_base64($buff) ) || die"cant encode: $!";
       }
   
} # if attachement

$smtp->datasend( "\n\n--Bb0uNddArray--" );	# send this even if theres no attachment	
$smtp->dataend();
$smtp->quit;