curl -X POST -d @test.xml http://user:password@server.com:5555/ --header "Content-Type:text/xml"

##</code><code>##

my $hash_form = {
   'data' => '@test.xml',
   'header' => 'Content-Type:text/xml',
};

my $content = $lwpcurl->post($post_url, $hash_form, $referer);