We're really excited to announce the final release of the brand new Proxmox Mail Gateway 5.0, now fully licensed under the open source license aGPLv3! After 12 years on the market we did a complete re-work of our Proxmox Mail Gateway, and we moved to an open source license. Watch our introduction videos: "Introduction to Proxmox Mail Gateway 5.0" Here are the highlights Based on Debian Stretch 9.3 with a 4.13.13 kernel ISO installer supports all ZFS raid levels Sencha ExtJS based user interface New API Integrated documentation Subscription-based enterprise support options (similar to the Proxmox VE support subscription model) All the features known from the Proxmox Mail Gateway 4 are included, no hidden cost nor extra license needed Object-Oriented Rule System Virus and Spam filters Message Tracking Center End User Quarantine Web Interface User Management and LDAP Dashboard and Statistics Clustering (Master/Slave synchronisation via SSH tunnel) Always unlimited email domains and unlimited email users More video tutorials Download Proxmox Mail Gateway 5.0 https://www.proxmox.com/downloads Documentation https://www.proxmox.com/en/downloads/category/documentation-pmg Source Code https://git.proxmox.com Bugtracker https://bugzilla.proxmox.com FAQ Q: Can I do an inplace-upgrade from Proxmox Mail Gateway 4 to 5? A: No. But you can backup/restore the rule database and email statistic from PMG 4 to 5. Q: Can I upgrade from the Proxmox Mail Gateway 5.0 beta to the final 5.0 release with apt? A: Yes. Q: Which update repositories are available? A: We use the well known Debian Stretch repositories and the Proxmox Mail Gateway repositories: By default, the enterprise repo is enabled but works only if you purchase a subscription key. # pmg-enterprise - stable updates for enterprise subscribers deb https://enterprise.proxmox.com/debian/pmg stretch pmg-enterprise # pmgtest repository, for testing new features or bug fixes deb http://download.proxmox.com/debian/pmg stretch pmgtest # pmg-no-subscription - updates for non-subscribers deb http://download.proxmox.com/debian/pmg stretch pmg-no-subscription Q: Can I install Proxmox Mail Gateway on top of Debian Stretch? A: Yes. See documentation https://www.proxmox.com/en/downloads/item/proxmox-mail-gateway-admin-guide-for-5-x Q: Can I still buy a Proxmox Mail Gateway 4.x license? A: No, the V4 is End-of-Sale, we do not sell renewals or new licenses for 4.x. Q: Can I still run an existing Proxmox Mail Gateway 4.x? A: Yes, you can run your existing installation as long as your license is active. But we encourage you to plan the move as soon as possible to the new version. Q: I have a valid Avira SAV license key, can I use this one also on 5.0? A: No. Avira SAV is not available for 5.0. Q: I have a valid Proxmox Mail Gateway 4 license with enterprise support, can I use this license also for 5.0? A: Yes. V4 customers will get free subscription keys for 5.x from your reseller via email. These free keys will have the same expiration date as your V4 license. We hope you will like the new Proxmox Mail Gateway and are looking forward to your feedback. __________________ Best regards, Martin Maurer Proxmox Mail Gateway project leader