$mime->header_set('Content-Type', $part->content_type);
$mime->body_set($part->body_raw);
my $cte = $part->header('Content-Transfer-Encoding');
$mime->header_set('Content-Type', $part->content_type);
$mime->body_set($part->body_raw);
my $cte = $part->header('Content-Transfer-Encoding');