"Physical hosting setup" single user multiple domains
Trying to figure out how to get Plesk to allow me to have all my domains with
a single user account login for FTP ?
Plesk does not offer any such capability. cPanel does in it's concept of AddOn and Parked domains.
Your query may get more interest/feedback if submitted to the developers of Plesk, SWsoft/Parallels Inc. Plesk 8.4 for Linux Suggestions and Feedback forum thread.
That is what I needed to know.