MailStore Server vs VM Backup
| MailStore Server | VM Backup | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | Yes |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | api, self-hosted, Web, Windows | api, Linux, self-hosted, Windows |
| Free plan | No | No |
| Retention period | unlimited | 10 years |
| Legal hold | Yes | — |
| eDiscovery tools | Yes | Yes |
| Journal capture | Yes | — |
| Deployment | on-premises | cloud |
| Search and export | EML, MSG, PST | Search: full text, date, sender, recipient, subject; export: EML, PST, MBOX |
Both are listed in Best Email Archiving Software. On Inferse, VM Backup scores higher on our published basis.