Add install-mailcow-ubuntu.sh
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install-mailcow-ubuntu.sh
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install-mailcow-ubuntu.sh
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#!/bin/bash
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# Exit on any error
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set -e
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# Function to log messages
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log_message() {
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1"
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}
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# Check if script is run as root
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if [ "$EUID" -ne 0 ]; then
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echo "Please run as root"
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exit 1
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fi
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# Update system
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log_message "Updating system packages..."
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apt-get update && apt-get upgrade -y
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# Install essential packages
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log_message "Installing essential packages..."
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apt-get install -y \
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ca-certificates \
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curl \
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gnupg \
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ufw \
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fail2ban \
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git \
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sudo
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# Install Docker
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log_message "Installing Docker..."
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install -m 0755 -d /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
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chmod a+r /etc/apt/keyrings/docker.asc
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# Add Docker repository
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echo \
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"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
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$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
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tee /etc/apt/sources.list.d/docker.list > /dev/null
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apt-get update
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apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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# Create docker user and set up permissions
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log_message "Creating docker user and setting up permissions..."
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useradd -m -s /bin/bash dockeruser
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usermod -aG docker dockeruser
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echo "dockeruser ALL=(ALL) NOPASSWD: /usr/bin/docker, /usr/bin/docker-compose" | sudo tee /etc/sudoers.d/dockeruser
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# Configure UFW
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log_message "Configuring firewall..."
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ufw default deny incoming
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ufw default allow outgoing
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ufw allow 22/tcp
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ufw allow 25/tcp
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ufw allow 80/tcp
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ufw allow 110/tcp
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ufw allow 143/tcp
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ufw allow 443/tcp
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ufw allow 465/tcp
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ufw allow 587/tcp
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ufw allow 993/tcp
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ufw allow 995/tcp
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ufw allow 4190/tcp
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ufw --force enable
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# Configure fail2ban with SSH honeypot
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log_message "Configuring fail2ban and SSH honeypot..."
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cat > /etc/fail2ban/jail.local << EOL
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[DEFAULT]
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bantime = 1h
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findtime = 10m
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maxretry = 3
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[sshd]
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enabled = true
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port = ssh
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filter = sshd
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logpath = /var/log/auth.log
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maxretry = 3
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EOL
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# Create SSH honeypot configuration
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cat > /etc/fail2ban/jail.d/ssh-honeypot.conf << EOL
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[ssh-honeypot]
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enabled = true
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filter = ssh-honeypot
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logpath = /var/log/auth.log
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maxretry = 1
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bantime = 1d
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findtime = 1d
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EOL
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cat > /etc/fail2ban/filter.d/ssh-honeypot.conf << EOL
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[Definition]
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failregex = ^%(__prefix_line)s(?:error: PAM: )?Authentication failure for .* from <HOST>
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ignoreregex =
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EOL
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# Restart fail2ban
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systemctl restart fail2ban
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# Set up Mailcow directory and permissions
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log_message "Setting up Mailcow directory..."
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mkdir -p /opt/mailcow-dockerized
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chown dockeruser:dockeruser /opt/mailcow-dockerized
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# Switch to dockeruser and install Mailcow
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log_message "Installing Mailcow as dockeruser..."
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su - dockeruser << 'EOF'
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cd /opt
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git clone https://github.com/mailcow/mailcow-dockerized
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cd mailcow-dockerized
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./generate_config.sh
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# Start Mailcow
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docker compose pull
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docker compose up -d
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EOF
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# Final security checks
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log_message "Performing final security checks..."
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su - dockeruser -c "cd /opt/mailcow-dockerized && docker compose ps"
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ufw status
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systemctl status fail2ban
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log_message "Installation complete! Please check the logs above for any errors."
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log_message "Remember to:"
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log_message "1. Change the default passwords"
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log_message "2. Configure your DNS records"
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log_message "3. Set up SSL certificates"
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log_message "4. Regular backup your configuration"
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# Print access information
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echo "================================================================"
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echo "Mailcow web interface: https://$(hostname)"
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echo "Docker user: dockeruser"
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echo "Mailcow location: /opt/mailcow-dockerized"
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echo "Firewall status:"
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ufw status numbered
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echo "================================================================"
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