Infinite SEO

Hello fellows, I'm getting an error message from Google while trying to send my site map, the site map is ok inside the server and its path is - /home/pousada/public_html/wp-content/uploads/sitemap.xml

The error message that I got from Google is - General HTTP error: 404 not found
Erro HTTP: 404

Please help, this is happening also with http://www.tecstorebrasil.com.br