Way to the Web Ltd and Configserver.com will be closing down permanently on 31 August 2025. The server software market has changed drastically in the more than 25 years since our company began, and we now find the business is no longer profitable so must come to an end.
All the details are available here.
No, MailScanner and the MailScanner Front-End are applications that apply to the server as a whole and must be installed via the root shell. It cannot be installed on a single shared hosting account on the server.