SmarterMail
7.4#3 in mail server softwareFrom $500 a yearFree planAndroidiOSWebLinux
VisitSmarterMail vs Zimbra Collaboration
Zimbra Collaboration
6.4#14 in mail server softwareAndroidiOSWebLinux
VisitWhat both publish
| Fact | SmarterMail | Zimbra Collaboration |
|---|---|---|
| Deployment | SmarterMail is available for Linux and Windows and has a Docker version; the download page lists supported Linux distributions and Windows Server 2016, 2019, 2022, and 2025+. | Zimbra can be deployed on-premises, in a private cloud, or in regional data centers. |
| Integrations | The Marketplace lists Dropbox, Google Drive, OneDrive, ownCloud, LeitzCloud, Rocket.Chat, ChatGPT, Collabora Online, and OnlyOffice integrations. | Zimbra's third-party apps page names Slack, Zoom, Dropbox, Webex, Jitsi, and Microsoft Teams. |
| Product | SmarterMail is an email, groupware, and collaboration server positioned as an alternative to Microsoft Exchange. | Zimbra is an enterprise email and collaboration suite with email, calendar, contacts, tasks, and file sharing. |
| Security | The product includes spam filtering and enterprise-level antivirus, with Message Sniffer available as an integration. | Listed security capabilities include two-factor authentication, S/MIME email signing and encryption, SAML single sign-on, and mobile device allow/block/quarantine controls. |
| Trial | SmarterTools offers a 30-day trial by request for testing more mailboxes or multiple domains. | Zimbra's 2025 Business Service Provider Program Guide describes a 60-day trial license for administrators and a web-client trial for end users. |
SmarterMail plans
- SmarterMail FreeFree
- SmarterMail High Availability — Hub$150 a month
- SmarterMail High Availability — Node$250 a month
- SmarterMail Professional (50 mailboxes)$500 a year
- SmarterMail Enterprise (50 mailboxes)$700 a year
Zimbra Collaboration plans
- ProfessionalPriced on request
- StandardPriced on request
Pick SmarterMail if…
You want what its maker publishes above — check its page for the details.
Pick Zimbra Collaboration if…
You want what its maker publishes above — check its page for the details.