Zimbra Collaboration vs HCL Domino

Zimbra Collaboration9.1Visit HCL Domino8.4Visit

Higher score Zimbra Collaboration #2 in Mail Server Software 9.1/10 Free plan Free plan✓ 0 of 5 features Visit Zimbra

vs

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

• Zimbra Collaboration fits best

  Full-featured open-source collaboration mail

• HCL Domino fits best

  Enterprise mail with Domino application integration

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Side by side

Feature	Zimbra Collaboration 9.1/10 Visit ↗	HCL Domino 8.4/10 Visit ↗
At a glance
Editor score	9.1	8.4
Ranking	#2 in Mail Server Software	#8 in Mail Server Software
Best for	Full-featured open-source collaboration mail	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	Cloud, Self-hosted, Desktop, Mobile	Self-hosted
Platforms	Web, Windows, macOS, Linux, iOS, Android	Web, Windows, Linux, iOS, Android
Support	Email, Phone, Tickets, Community, Docs · 24/7	Community, Docs
Integrations	5 integrations	7 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Zimbra Collaboration 0/5 · HCL Domino 5/5
Webmail interface	Not checked yet	✓ (best)
IMAP/POP3 access	Not checked yet	✓ (best)
Mobile sync	Not checked yet	✓ (best)
Antispam tools	Not checked yet	✓ (best)
High availability	Not checked yet	✓ (best)
Specs
License model	Not checked yet	Subscription
Mailbox limit	Not checked yet	Not checked yet
Our review
Pros	Combines email, calendars, contacts, tasks, and file sharing Supports IMAP, POP, SMTP, CalDAV, CardDAV, and ActiveSync Includes migration, security, backup, and restore capabilities	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	Commercial licensing uses quote-based pricing Hosted storage and attachment limits depend on the hosting provider Its broad feature set may exceed basic email-only requirements	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	Zimbra Collaboration is an open-source email and collaboration suite from Synacor for businesses, educational institutions, service providers, and organizations that need control over deployment and data. It combines email, contacts,… 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

• Zimbra Collaboration — where it wins

  • Combines email, calendars, contacts, tasks, and file sharing
  • Supports IMAP, POP, SMTP, CalDAV, CardDAV, and ActiveSync
  • Includes migration, security, backup, and restore capabilities

  Where it doesn't

  • Commercial licensing uses quote-based pricing
  • Hosted storage and attachment limits depend on the hosting provider
  • Its broad feature set may exceed basic email-only requirements

• 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.

• Zimbra Collaboration9.1/10 · Free plan

  A broad open-source suite for organizations that need email, collaboration, and deployment control.

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

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

  Visit HCL DominoFull verdict →