Installing SQRL Mail for a Website (No SSH)

Hello, We are a group working on a project and need some help. We want to install a webmail client for our project. We decided to install sqrl mail since it can be installed w/o using shell commands. If you have any other webmail client recommendations that don't require ssh, you can include it in your proposal. Mail server details and login details for ftp connections will be given. We need to get this done in 15 hours. We will use external mail servers, not ours.