Faruque Ahmed : MCP, MCSA, MCSE, MCTS, MCIT, CCNA, OCA, OCP, GCP

1 Install RainLoop Webmail on Ubuntu 24.04 LTS

https://idroot.us/install-rainloop-webmail-ubuntu-24-04/

Prerequisites
Before beginning the installation process, ensure you have:
- A server running Ubuntu 24.04 LTS with at least 1GB RAM
- Root or sudo access privileges
- A registered domain name pointing to your server
- Basic knowledge of Linux commands
- Properly configured DNS records for your domain
Setting up these requirements first will ensure a smooth installation experience and prevent common issues later in the process.
Step 1: System Preparation
First, update your system packages to ensure you’re working with the latest versions and security patches:

sudo apt update

sudo apt upgrade -y
Configure the correct timezone for accurate email timestamps:

sudo timedatectl list-timezones

sudo timedatectl set-timezone Your/Timezone
Next, set up the firewall to allow web and email traffic:

sudo apt install ufw -ysudo ufw allow 22/tcpsudo ufw allow 80/tcpsudo ufw allow 443/tcp

sudo ufw enable
These commands open SSH (port 22), HTTP (port 80), and HTTPS (port 443) connections. If you’re running a mail server on the same system, you’ll also need to open ports 25 (SMTP), 143/993 (IMAP), and 587 (SMTP submission).
Step 2: Installing Web Server
RainLoop works with both Apache and Nginx. Choose the option that best suits your needs.
Apache Installation

sudo apt install apache2 -ysudo a2enmod rewritesudo a2enmod ssl

sudo systemctl restart apache2
Verify that Apache is running correctly:
sudo systemctl status apache2
Nginx Installation

sudo apt install nginx -ysudo systemctl start nginx

sudo systemctl enable nginx
Check Nginx status:
sudo systemctl status nginx
You can confirm your web server is working by navigating to your server’s IP address in a browser.
Step 3: Installing PHP and Required Dependencies
RainLoop requires PHP and several extensions:
sudo apt install php php-fpm php-curl php-xml php-zip php-imap php-mbstring php-json php-mysql unzip -y
For optimal performance, adjust the PHP configuration:

sudo nano /etc/php/8.3/apache2/php.ini # For Apache

sudo nano /etc/php/8.3/fpm/php.ini # For Nginx
Modify the following values:

max_execution_time = 300memory_limit = 512Mupload_max_filesize = 100Mpost_max_size = 100M

date.timezone = Your/Timezone
Save and restart PHP:

sudo systemctl restart php8.3-fpm # For PHP-FPM

sudo systemctl restart apache2 # For Apache with mod_php
The PHP version may differ based on your Ubuntu 24.04 installation.
Step 4: Downloading and Installing RainLoop
Create a directory for RainLoop:
sudo mkdir -p /var/www/rainloop
Download the latest RainLoop community edition:

cd /tmp

wget https://www.rainloop.net/repository/webmail/rainloop-latest.zip
Extract the files to your web directory:
sudo unzip rainloop-latest.zip -d /var/www/rainloop
Set proper permissions:

sudo chown -R www-data:www-data /var/www/rainloopsudo find /var/www/rainloop -type d -exec chmod 755 {} \;

sudo find /var/www/rainloop -type f -exec chmod 644 {} \;
These permissions ensure the web server can access the files while maintaining security.
Step 5: Web Server Configuration
Now, configure your web server to serve RainLoop.
Apache Configuration
Create a virtual host file:
sudo nano /etc/apache2/sites-available/rainloop.conf
Add the following content:

<VirtualHost *:80> ServerName mail.yourdomain.com DocumentRoot /var/www/rainloop <Directory /var/www/rainloop> Options -Indexes +FollowSymLinks AllowOverride All Require all granted </Directory> ErrorLog ${APACHE_LOG_DIR}/rainloop_error.log CustomLog ${APACHE_LOG_DIR}/rainloop_access.log combined

</VirtualHost>
Enable the site and restart Apache:

sudo a2ensite rainloop.conf

sudo systemctl restart apache2
Nginx Configuration
Create a server block:
sudo nano /etc/nginx/sites-available/rainloop
Add the following:

server {    listen 80;    server_name mail.yourdomain.com;    root /var/www/rainloop;    index index.php;
    location / {        try_files $uri $uri/ /index.php?$query_string;    }
    location ~ \.php$ {        include snippets/fastcgi-php.conf;        fastcgi_pass unix:/var/run/php/php8.3-fpm.sock;    }
    location ~ /\.ht {        deny all;    }
    location ^~ /data {        deny all;    }

}

Create a symbolic link and restart Nginx:

sudo ln -s /etc/nginx/sites-available/rainloop /etc/nginx/sites-enabled/sudo nginx -t

sudo systemctl restart nginx
Replace “mail.yourdomain.com” with your actual domain name.
Step 6: Securing RainLoop with SSL/TLS
Secure your webmail with SSL/TLS encryption using Let’s Encrypt:
sudo apt install certbot -y
For Apache:

sudo apt install python3-certbot-apache -y

sudo certbot --apache -d mail.yourdomain.com
For Nginx:

sudo apt install python3-certbot-nginx -y

sudo certbot --nginx -d mail.yourdomain.com
Follow the prompts to complete the certificate installation. Certbot will automatically configure your web server to use HTTPS.
Step 7: Accessing and Configuring RainLoop Admin Panel
Access the admin panel by visiting:
https://mail.yourdomain.com/?admin
The default login credentials are:
- Username: admin
- Password: 12345
For security reasons, immediately change these credentials:
- Log in to the admin panel
- Navigate to the “Security” tab
- Update your password first
- Log out and log back in
- Update the username to something more secure
Step 8: Configuring Email Domains
To access emails through RainLoop, configure your email domains:
- Go to the “Domains” tab in the admin panel
- Click “Add Domain”
- Enter your domain name
- Configure IMAP settings:
  - Server: mail.yourdomain.com (or your mail server address)
  - Port: 143 (or 993 for SSL)
  - Secure: STARTTLS (or SSL if using port 993)
- Configure SMTP settings:
  - Server: mail.yourdomain.com (or your mail server address)
  - Port: 587 (or 465 for SSL)
  - Secure: STARTTLS (or SSL if using port 465)
  - Check “Use Authentication” if required
If RainLoop and your mail server are on the same machine, you can use:
- IMAP: Server 127.0.0.1, Port 143, Secure None
- SMTP: Server 127.0.0.1, Port 25, Secure None (without authentication)
Remember to enable your domain by checking the box next to it in the domains list.
Step 9: Advanced Configuration Options
Enabling Contacts Functionality
To enable the contacts feature:
- Go to the “Contacts” tab in the admin panel
- Select the storage type (PDO Database recommended)
- Configure the database connection details
For MySQL storage:

sudo apt install mysql-server -ysudo mysql_secure_installationsudo mysql -e "CREATE DATABASE rainloop_contacts;"sudo mysql -e "CREATE USER 'rainloop'@'localhost' IDENTIFIED BY 'your_password';"sudo mysql -e "GRANT ALL PRIVILEGES ON rainloop_contacts.* TO 'rainloop'@'localhost';"

sudo mysql -e "FLUSH PRIVILEGES;"
Customizing Themes and Appearance
RainLoop offers theme customization options:
- Go to the “Themes” tab
- Select from the available themes or upload a custom one
- Configure display options to match your preferences
Setting Up Two-Factor Authentication
Enhance security with two-factor authentication:
- Navigate to the “Security” tab
- Enable “Two-factor authentication”
- Configure the authentication settings according to your needs
Step 10: Performance Optimization
Caching Configuration
Enable caching for better performance:
- Go to the “General” tab in the admin panel
- Under “Caching”, select an appropriate mechanism (APC, Memcached)

For Memcached:
sudo apt install memcached php-memcached -ysudo systemctl start memcached

- sudo systemctl enable memcached
PHP Optimization
Optimize PHP-FPM for RainLoop:
sudo nano /etc/php/8.3/fpm/pool.d/www.conf
Adjust these values based on your server resources:

pm = dynamicpm.max_children = 50pm.start_servers = 5pm.min_spare_servers = 5

pm.max_spare_servers = 35
Web Server Performance Tweaks
For Apache:

sudo a2enmod expiressudo a2enmod headers

sudo systemctl restart apache2
For Nginx, optimize with browser caching and compression:

location ~* \.(jpg|jpeg|png|gif|ico|css|js)$ { expires 30d; add_header Cache-Control "public, no-transform";

}
These optimizations will significantly improve loading times and reduce server load.
Step 11: Maintenance and Updates
Updating RainLoop
Update RainLoop through the admin panel:
- Go to the “About” tab
- Click “Check for updates”
- Follow the prompts to install updates
Alternatively, update via command line:

cd /tmpwget http://www.rainloop.net/repository/webmail/rainloop-community-latest.zipsudo unzip -o rainloop-community-latest.zip -d /var/www/rainloop

sudo chown -R www-data:www-data /var/www/rainloop
Backup Procedures
Regularly back up your RainLoop configuration:
sudo cp -r /var/www/rainloop/data /backup/rainloop_data_$(date +%Y%m%d)
If using a database for contacts:
sudo mysqldump -u rainloop -p rainloop_contacts > /backup/rainloop_contacts_$(date +%Y%m%d).sql
Log File Management
Monitor log files to identify and resolve issues:

sudo tail -f /var/log/nginx/error.log # For Nginx

sudo tail -f /var/log/apache2/error.log # For Apache
Set up log rotation to manage RainLoop logs:

/var/www/rainloop/data/_logs/*.log { weekly rotate 12 compress delaycompress missingok notifempty create 0640 www-data www-data

}

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1

Install RainLoop Webmail on Ubuntu 24.04 LTS

Prerequisites

Step 1: System Preparation

Step 2: Installing Web Server

Apache Installation

Nginx Installation

Step 3: Installing PHP and Required Dependencies

Step 4: Downloading and Installing RainLoop

Step 5: Web Server Configuration

Apache Configuration

Nginx Configuration

Step 6: Securing RainLoop with SSL/TLS

Step 7: Accessing and Configuring RainLoop Admin Panel

Step 8: Configuring Email Domains

Step 9: Advanced Configuration Options

Enabling Contacts Functionality

Customizing Themes and Appearance

Setting Up Two-Factor Authentication

Step 10: Performance Optimization

Caching Configuration

PHP Optimization

Web Server Performance Tweaks

Step 11: Maintenance and Updates

Updating RainLoop

Backup Procedures

Log File Management