CommuniGate Pro
5.6#29 in mail server softwareWebAPILinuxSelf-hosted
VisitCommuniGate Pro vs Stalwart Mail Server
Stalwart Mail Server
7.1#4 in mail server softwareFrom $1.09 a yearFree planWebAPILinuxmacOS
VisitWhat both publish
| Fact | CommuniGate Pro | Stalwart Mail Server |
|---|---|---|
| Deployment | The company says it provides the platform as a managed service on a customer's private cloud or through Pronto! Cloud under Luxembourg jurisdiction. | Stalwart can run as one node or as a cluster across regions, and its site describes it as designed to scale to millions of mailboxes. |
| Headquarters | Luxembourg, Luxembourg | London, United Kingdom |
| Product | CommuniGate Pro is a unified communications server for email, calendaring, VoIP, video, instant messaging, and whiteboards. | Stalwart is an open-source mail and collaboration server for email, calendars, contacts, and shared files. |
| Security | Listed security capabilities include SASL, GSSAPI with Kerberos V5, client certificates, S/MIME, automatic encryption, and SSL/TLS secure transfer. | The product page lists mailbox encryption at rest with S/MIME or OpenPGP, DANE, MTA-STS, automatic ACME TLS, DKIM key rotation, access controls, rate limiting, and automatic IP banning. |
CommuniGate Pro plans
- CommuniGate Pro licensePriced on request
Stalwart Mail Server plans
- Community EditionFree
- Enterprise — 50,000 to 99,999 mailboxes$1.09 a year
- Enterprise — 10,000 to 49,999 mailboxes$1.25 a year
- Enterprise — 5,000 to 10,000 mailboxes$1.48 a year
- Enterprise — 1,000 to 4,999 mailboxes$1.74 a year
- Enterprise — 500 to 999 mailboxes$2.04 a year
Pick CommuniGate Pro if…
You want what its maker publishes above — check its page for the details.
Pick Stalwart Mail Server if…
You want what its maker publishes above — check its page for the details.