Simple Webmail rainloop installer
Requirements:
-webserver(Apache2)
-Configured smtp server(postfix), and imap server(you can choose using courier packages, or dovecot)
-dns(bind9)
-php 5.4 or above with extensions: cURL, iconv, json, libxml, dom, openssl, DateTime, PCRE, SPL
Already Tested on:
-Debian Stretch 9