poste.io vs Zimbra Collaboration
poste.io
poste.ioZimbra Collaboration
zimbra.comSide by side
| Figure | poste.io | Zimbra Collaboration |
|---|---|---|
| Price from | $29.08/mo | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 3 | 2 |
| Spec score · Email Server Software | 8.0 (#10) | 7.3 (#20) |
| Spec score · Mail Server Software | 8.0 (#13) | 7.3 (#29) |
| Administration | The product includes web administration, a REST API, mailbox quotas, and per-mailbox settings. | Multi-tenancy and delegated administration let administrators manage distinct organizations and assign granular admin roles. |
| Integrations | The documentation describes an Elasticsearch integration for PRO log viewing and names Uptime Kuma, Prometheus, and Grafana as external monitoring systems that can use its monitoring API. | Zimbra's third-party apps page names Slack, Zoom, Dropbox, Webex, Jitsi, and Microsoft Teams. |
| Product | Poste.io is a self-hosted email server with web administration, webmail, spam protection, and mail server components in one Docker container. | Zimbra is an enterprise email and collaboration suite with email, calendar, contacts, tasks, and file sharing. |
| Security | The feature page states that TLS is used on every protocol, passwords use salted SHA512, and SPF, DKIM, DMARC, and SRS are supported. | Listed security capabilities include two-factor authentication, S/MIME email signing and encryption, SAML single sign-on, and mobile device allow/block/quarantine controls. |
| Support | The pricing page includes email support with PRO and PRO+, while FREE is marked as not including it. | Standard support is business-hours only; Premier adds 24×7 support for Severity-1 issues. |
Plans
Zimbra Collaboration
- ProfessionalPriced on request
- StandardPriced on request
In their own words
Zimbra Collaboration
Zimbra Collaboration has no write-up on Specifiction yet; its figures are above.