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Head-to-head · Mail Server Software

MailEnable vs HCL Domino

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score MailEnable #5 in Mail Server Software 8.7/10 Free plan · 60-day trial Free planFree trial✓ 5 of 5 features Visit MailEnable
HCL Domino #8 in Mail Server Software 8.4/10 Pricing on request ✓ 5 of 5 features Visit HCL Domino

MailEnable leads on 0 checks, HCL Domino on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMailEnable · 8.7/10
  • Free planonly MailEnable
  • Free trialonly MailEnable

MailEnable scores higher on our rubric for mail server software: 8.7 against 8.4 out of 10; our editors rank them #5 and #8.

On license model, MailEnable gives you Perpetual where HCL Domino offers Subscription.

MailEnable is the better fit for windows mail with perpetual licensing. HCL Domino is the better fit for enterprise mail with Domino application integration.

  • MailEnable fits best

    Windows mail with perpetual licensing

  • HCL Domino fits best

    Enterprise mail with Domino application integration

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Side by side

Feature MailEnable 8.7/10 Visit ↗ HCL Domino 8.4/10 Visit ↗
At a glance
Editor score 8.7 8.4
Ranking #5 in Mail Server Software #8 in Mail Server Software
Best for Windows mail with perpetual licensing Enterprise mail with Domino application integration
Pricing model Free plan + paid Paid
Starting price — Pricing on request
Free plan ✓ (best) Not checked yet
Free trial 60 days —
Deployment Self-hosted Self-hosted
Platforms Web, Windows Web, Windows, Linux, iOS, Android
Support Tickets, Community, Docs · 24/7 Community, Docs
Integrations 1 integrations 7 integrations
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features MailEnable 5/5 · HCL Domino 5/5
Webmail interface ✓ ✓
IMAP/POP3 access ✓ ✓
Mobile sync ✓ ✓
Antispam tools ✓ ✓
High availability ✓ ✓
Specs
License model Perpetual Subscription
Mailbox limit Not checked yet Not checked yet
Our review
Pros
  • Free Standard edition includes SMTP, POP3, IMAP and webmail
  • Unlimited domains and users in the Standard edition
  • Paid tiers add clustering, Outlook MAPI and advanced administration
  • 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
  • Runs on Microsoft Windows rather than multiple server platforms
  • Advanced capabilities require paid one-time licenses
  • Outlook MAPI integration is limited to Enterprise Premium
  • 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

MailEnable is self-hosted mail server software for Microsoft Windows, aimed at individuals, small businesses, hosting providers and larger organizations. Its Standard Edition provides SMTP, POP3, IMAP and browser-based webmail, along with…

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 →
  1. MailEnableMail Server Software 8.7Free plan · 60-day trial
  2. HCL DominoMail Server Software 8.4Pricing on request

Strengths and trade-offs

  • MailEnable — where it wins

    • Free Standard edition includes SMTP, POP3, IMAP and webmail
    • Unlimited domains and users in the Standard edition
    • Paid tiers add clustering, Outlook MAPI and advanced administration

    Where it doesn't

    • Runs on Microsoft Windows rather than multiple server platforms
    • Advanced capabilities require paid one-time licenses
    • Outlook MAPI integration is limited to Enterprise Premium

  • 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.

More comparisons

All mail server software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update