PHP script installation on Linux server - Within 60 minutes

I require the install of a newsletter script on my linux shared server. The newsletter script can be a standard one, and it needs to have these features: 1) The from email can be custom set up within the admin and can be any email ( for example) 2) The from name can be custom setup within the admin (Company Name Client Care for example ) 3) One or more recipient emails can be added. 4) The subject and plain text body can be easily entered in. Here's an example script that I think will provide my features: [login to view URL]