In a basic email server architecture, email traffic (SMTP) usually arrives at the firewall and will be directly forwarded to your mail server.

By using the Proxmox Mail Gateway, which is implemented between your firewall and the mail server, all e-mail traffic (SMTP) is forwarded to the Mail Gateway first, all unwanted emails are filtered and removed or rejected (before-queue filtering), and only then they are forwarded to your mail server.

The innovative Proxmox Message Tracking Center tracks and summarizes all available logs. With the web-based and userfriendly management interface the IT administrator can easily overview and control the email flow from a single screen. 

The Message Tracking Center is very fast and powerful, tested on Proxmox Mail Gateway sites processing over a million emails per day. All different log files from the last 4 weeks can be queried and the results are summarized by an intelligent algorithm.