sudo apt update

sudo apt install nginx php7.0 php7.0-curl php7.0-xml

cd /var/www/ && mkdir rainloop && cd rainloop

curl -s http://repository.rainloop.net/installer.php | php

sudo chown www-data:www-data /var/www/rainloop/ -R

sudo nano /etc/nginx/conf.d/rainloop.conf

server {
   listen 80;
   server_name mail.example.com;

   root /var/www/rainloop;
   index index.php index.html;
 
   access_log /var/log/nginx/rainloop_access.log;
   error_log /var/log/nginx/rainloop_error.log;
   
   location / {
       try_files $uri $uri/ /index.php?$query_string;
   }

   location ~ ^/(.+\.php)$ {
        try_files $uri =404;
        fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include /etc/nginx/fastcgi_params;
   }
 
   location ^~ /data {
       deny all;
   }
}

sudo nginx -t

sudo systemctl reload nginx