Mox vs Postal
A side-by-side comparison of Mox and Postal — pricing, license, deployment, and where each tool wins.
Mox
xmox.nl
Complete e-mail solution with IMAP4, SMTP, SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC, reputation-based and content-based junk filtering, Internationalization (IDNA), automatic TLS with ACME and Let's Encrypt, account autoconfiguration, and webmail.
Postal
docs.postalserver.io
Complete and fully featured mail server for use by websites & web servers.
| Feature | Mox | 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 Mox if…
- ✓You prefer Mox's feature set or ecosystem fit.
Pick Postal if…
- ✓You prefer Postal's feature set or ecosystem fit.