Dovecot
Dovecot: A focused, extensible mailbox backend for self-hosted Linux mail infrastructure. Ranked #6 of 34 in Mail Server Software by our editors (8.6/10); pricing: Free plan; best for high-performance IMAP and POP3 backends.
At a glance
- Editor score8.6 / 10
- PricingFree plan
- Best forHigh-performance IMAP and POP3 backends
- Free planYes
- Paid fromFree
- License modelOpen-source
- Facts checked21 Sep 2026
Where it wins
- Free open-source Community Edition for self-hosted deployments
- Supports IMAP, POP3, LMTP, and ManageSieve protocols
- Indexing, caching, search, filtering, and plugin extensibility
Where it doesn't
- Focused on mailbox access rather than a complete mail stack
- No verified webmail or antispam features
- Commercial Dovecot Pro pricing is not published as a mailbox plan
Our verdict on Dovecot
Dovecot is an open-source email server centered on IMAP and POP3 mailbox access for Linux and UNIX-like systems. Its Community Edition is designed for single-server, self-hosted deployments, making it a strong fit for teams building or operating their own mail infrastructure. It supports LMTP and ManageSieve alongside its core mailbox protocols, with flexible authentication backends and mechanisms for connecting user access to an existing environment.
The free Community Edition covers a substantial mailbox-backend feature set. It includes mailbox indexing and caching, full-text message search, server-side Sieve filtering through Pigeonhole, self-healing for common index problems, logging and telemetry, and plugin-based extensibility. Migration from existing IMAP and POP3 servers is also supported. For mail-transfer integration, Dovecot connects with Postfix, Exim, and OpenSMTPD, which suits deployments where mailbox access and message transport are handled by separate components.
Dovecot’s main trade-off is its deliberately narrow focus. It provides the backend services needed for mailbox storage and access, but it is not presented as a complete mail experience with verified webmail or antispam features. The commercial Dovecot Pro edition extends the product toward larger service-provider deployments requiring scalable and highly available infrastructure, while the Community Edition remains oriented toward single-server use. Choose Dovecot when you need a free, open-source IMAP and POP3 backend with filtering, search, migration, and extensibility. Choose another product or add complementary components when webmail, antispam, or a broader all-in-one mail platform is central to the deployment.
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Dovecot pricing
Dovecot fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| License model | Open-source |
| Webmail interface | Not verified |
| IMAP/POP3 access | Yes |
| Mobile sync | Not verified |
| Antispam tools | Not verified |
| Mailbox limit | Not verified |
| High availability | Yes |
| Deployment | Self-hosted |
| Platforms | Linux |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 3 integrations: Postfix, Exim, OpenSMTPD |
| Pricing | Free plan |
| Website | dovecot.org |
| Facts checked | 21 Sep 2026 |
Dovecot integrations
Dovecot lists 3 integrations on its own site.
- Postfix
- Exim
- OpenSMTPD
Alternatives to Dovecot
- Microsoft Exchange OnlineA Microsoft-centric hosted mailbox service with Outlook, archiving, compliance, and migration tools.9.3
- Zimbra CollaborationA broad open-source suite for organizations that need email, collaboration, and deployment control.9.1
- IceWarpA broad hosted email suite with collaboration, migration tools, and self-hosted deployment.9.0
See all Dovecot alternatives →
Dovecot vs the competition
- Dovecot vs Microsoft Exchange Online
- Dovecot vs Zimbra Collaboration
- Dovecot vs IceWarp
- Dovecot vs Apache James
- Dovecot vs MailEnable
- Dovecot vs mailcow
Compare Dovecot with any tool side by side →
Also Ranked In
Dovecot is ranked in 3 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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