They look correct to me. attached is site definition file.
Dreamweaver error:
HTTP Erro 404 File Not Found. Here are some possible reasons for the problem:
1) There is no testing server running on the server machine.
2) The testing server specifified for this site does not map to the https://www.sangiacomo-presses.com/_mmServerScripts/MMHTTPDB.php URL: Verify that the URL Prefix maps to the root of the site