Stalwart Mail Server vs Postal
A side-by-side comparison of Stalwart Mail Server and Postal — pricing, license, deployment, and where each tool wins.
Stalwart Mail Server
stalw.art
All-in-one mail server with JMAP, IMAP4, and SMTP support and a wide range of modern features.
Postal
docs.postalserver.io
Complete and fully featured mail server for use by websites & web servers.
| Feature | Stalwart Mail Server | Postal |
|---|---|---|
| Pricing | Free | Free |
| Model | Open-source | Open-source |
| License | CC-BY-SA-3.0 | CC-BY-SA-3.0 |
| Deployment | Self-hosted | Self-hosted, Cloud |
| Category | Communication - Email - Complete Solutions | Communication - Email - Complete Solutions |
| Self-hosted | ✓Yes | ✓Yes |
| Free tier | ✓Yes | ✓Yes |
Pick Stalwart Mail Server if…
- ✓You prefer Stalwart Mail Server's feature set or ecosystem fit.
Pick Postal if…
- ✓You prefer Postal's feature set or ecosystem fit.