Proxmox Backup Server vs SpamSieve
| Proxmox Backup Server | SpamSieve | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | €46.67/mo | — |
| Open source | No | No |
| Platforms | Linux, Web | macOS |
| Free plan | No | No |
| Malware scanning | — | No |
| Attachment scanning | — | Yes |
| Supported mail platforms | — | Apple Mail, Airmail, GyazMail, MailMate, MailMaven, legacy Outlook, Entourage, MailForge, Mailsmith, Postbox, and PowerMail |
| Deployment type | — | mailbox_app |
Both are listed in Best Email Anti-Spam Software. On Everything Xiaomi, Proxmox Backup Server scores higher on our published basis.