Forbidden subfolder (path) names
You can publish your landing page to a subdomain with a subfolder if you’ve redirected the subdomain to Smartpages. However, there are several path names you cannot use: ‘/sitemap.xml’,‘/robots.txt’,‘/policy’,‘/order’,‘/max-unique-users.html’,‘/favicon’,‘/apple-touch-icon.png’,‘/apple-touch-icon-precomposed.png’,‘/email’,‘/contact”/”contact-us’,‘/send’,‘/facebook’,‘/background’,‘/picture’,‘/style’,‘/submit’.