Dovecot vs HCL Domino

Dovecot8.6Visit HCL Domino8.4Visit

Higher score Dovecot #6 in Mail Server Software 8.6/10 Free plan Free plan✓ 2 of 5 features Visit Dovecot

vs

HCL Domino #8 in Mail Server Software 8.4/10 Pricing on request ✓ 5 of 5 features Visit HCL Domino

• Dovecot fits best

  High-performance IMAP and POP3 backends

• HCL Domino fits best

  Enterprise mail with Domino application integration

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Side by side

Feature	Dovecot 8.6/10 Visit ↗	HCL Domino 8.4/10 Visit ↗
At a glance
Editor score	8.6	8.4
Ranking	#6 in Mail Server Software	#8 in Mail Server Software
Best for	High-performance IMAP and POP3 backends	Enterprise mail with Domino application integration
Pricing model	Free	Paid
Starting price	Free plan	Pricing on request
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Platforms	Linux	Web, Windows, Linux, iOS, Android
Support	Community, Docs	Community, Docs
Integrations	3 integrations	7 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Dovecot 2/5 · HCL Domino 5/5
Webmail interface	Not checked yet	✓ (best)
IMAP/POP3 access	✓	✓
Mobile sync	Not checked yet	✓ (best)
Antispam tools	Not checked yet	✓ (best)
High availability	✓	✓
Specs
License model	Open-source	Subscription
Mailbox limit	Not checked yet	Not checked yet
Our review
Pros	Free open-source Community Edition for self-hosted deployments Supports IMAP, POP3, LMTP, and ManageSieve protocols Indexing, caching, search, filtering, and plugin extensibility	Clustered mail servers support replicated databases and routing failover. Filtering, quarantine, SPF, DKIM, scanning, and encryption support mail controls. Web, mobile, Outlook, and REST access cover diverse enterprise workflows.
Cons	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	Quote-based procurement requires contacting HCLSoftware or a business partner. The platform may be broader than needed for mail-only deployments. Domino-specific administration may not suit teams seeking a narrow mail service.
Our verdict	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… Read the review →	HCL Domino combines organizational messaging, application hosting, workflow support, and collaboration in an enterprise server platform. It supports SMTP, IMAP, POP3, MIME, and Notes-based mail routing and access, with clients including… Read the review →

Strengths and trade-offs

• Dovecot — 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

• HCL Domino — where it wins

  • Clustered mail servers support replicated databases and routing failover.
  • Filtering, quarantine, SPF, DKIM, scanning, and encryption support mail controls.
  • Web, mobile, Outlook, and REST access cover diverse enterprise workflows.

  Where it doesn't

  • Quote-based procurement requires contacting HCLSoftware or a business partner.
  • The platform may be broader than needed for mail-only deployments.
  • Domino-specific administration may not suit teams seeking a narrow mail service.

• Dovecot8.6/10 · Free plan

  A focused, extensible mailbox backend for self-hosted Linux mail infrastructure.

  Visit DovecotFull verdict →
• HCL Domino8.4/10 · Pricing on request

  A broad enterprise mail and application platform built around Domino integration.

  Visit HCL DominoFull verdict →