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HCL Domino review

#8 of 34 in Mail Server Software

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

8.4/10Editor score
HCL Domino8.4 Visit HCL Domino

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

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 HCL Notes, HCL Verse, iNotes, HCL Traveler, and supported Microsoft Outlook integrations. It is a strong fit for organizations that need enterprise mail closely connected to Domino applications rather than a standalone mailbox service.

Its mail administration covers both delivery controls and availability. Administrators can configure DNS blacklists, whitelists, SPF, DKIM, mail rules, quarantine, and spam handling. Attachment scanning works through ICAP or ClamAV-compatible scanners, while Notes public-key and S/MIME support provide message encryption options. Clustered servers with replicated mail databases and routing failover make the platform suitable for environments that need continuity across mail infrastructure.

Platform reach is another notable strength. Domino supports web, Windows, Linux, iOS, Android, and API access, while integrations include LDAP, Microsoft Outlook, Microsoft Exchange, standard mail protocols, and Domino REST APIs. HCL's licensing announcement centers on per-user CCB/CCX entitlements, with subscription procurement handled through HCLSoftware or a business partner. Organizations that want application integration, mobile synchronization, and administrative control should shortlist Domino; teams seeking a narrow mail-only service or self-service purchasing may prefer a simpler alternative.

Questions about HCL Domino

What does HCL Domino run on? Web, Windows, Linux, iOS and Android. It runs self-hosted.

What does HCL Domino integrate with? 7 integrations, including SMTP, IMAP, POP3, LDAP and Microsoft Outlook.

Who is HCL Domino built for? Mid-market companies and enterprises (our editorial estimate).

HCL Domino pros and cons

  • 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.

HCL Domino fact sheet, pricing and score →

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