GitHub - deeztek/Hermes-Secure-Email-Gateway: Hermes Secure Email Gateway is a Free Open Source Ubuntu 18.04 or 20.04 Server based Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email
![Exchange Server 2019 Open Source Spam filtering Proxmox mail gateway Install and Configure - YouTube Exchange Server 2019 Open Source Spam filtering Proxmox mail gateway Install and Configure - YouTube](https://i.ytimg.com/vi/qgXTZQSV2pU/maxresdefault.jpg)
Exchange Server 2019 Open Source Spam filtering Proxmox mail gateway Install and Configure - YouTube
![Proxmox Mail Gateway V6.3 Open-Source Email Security Solution With Backup Server Integration - StorageNewsletter Proxmox Mail Gateway V6.3 Open-Source Email Security Solution With Backup Server Integration - StorageNewsletter](https://www.storagenewsletter.com/wp-content/uploads/2020/11/Proxmox-Mail-Gateway-6-3-configure-backup-server.jpg)