A robust open-source email security framework called Proxmox Mail Gateway is made to protect mail servers from a variety of email threats. In this article, we’ll look into the steps to setup Proxmox Mail Gateway. Bobcares, as a part of our Proxmox Support offers solutions to every query that comes our way.
Overview
How to Setup Proxmox Mail Gateway?
Installation
1. From ISO Image:
i. Download the ISO from the Proxmox website.
ii. Mount the ISO and run the setup.
2. From Repository:
i. Install a clean Debian Linux.
ii. Set the hostname: hostnamectl set-hostname .
iii. Add the Proxmox repository and key:
echo "deb http://download.proxmox.com/debian/pmg buster pmg-no-subscription" > /etc/apt/sources.list.d/pmg-enterprise.list wget http://download.proxmox.com/debian/proxmox-ve-release-6.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-6.x.gpg
iv. Update and install:
apt update apt install proxmox-mailgateway
Configuration
1. Mail Proxy:
i. Relaying Tab: Set default relay, port (25), protocol (smtp), disable MX lookup, and configure smarthost if needed.
ii. Relay Domains Tab: Add accepted domains.
iii. Ports Tab: External SMTP Port (25), Internal SMTP Port (26).
iv. Options Tab: Configure message size, reject unknown clients/senders, SMTP helo checks, DNSBL sites, greylisting, SPF, hide internal hosts, send NDR on blocked emails.
v. Networks Tab: Add server IP to the trusted network.
2. Mail Filter Rules:
Enable for both incoming and outgoing emails.
By following these steps, we can set up Proxmox Mail Gateway to secure the email system effectively.
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Conclusion
To sum up, our Tech team went over the details of setting up Proxmox Mail Gateway, which can protect mail servers from spam, viruses, trojans, and phishing. This guide also includes the setup and config steps.
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