Gpg4win vs RMail
| Gpg4win | RMail | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Windows | Web, Windows, macOS |
| Free plan | Yes | — |
| Secure delivery | attachment | attachment |
| Recipient verification | identity | password |
| Outlook integration | Yes | Yes |
| Admin access controls | Yes | Yes |
| Message expiry | — | Yes |
| Attachment limit | — | 10 MB |
| Gmail integration | — | Yes |
Both are listed in Best Email Encryption Software, Best File Encryption Tools. On The Geeks Club, Gpg4win scores higher on our published basis.