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Head-to-head · Email Server Software

Synology MailPlus Server vs MailEnable

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Synology MailPlus Server #6 in Email Server Software 8.6/10 Free plan Free plan✓ 4 of 4 features Visit Synology
MailEnable #7 in Email Server Software 8.5/10 Free plan · 60-day trial Free planFree trial✓ 0 of 4 features Visit MailEnable

Synology MailPlus Server leads on 0 checks, MailEnable on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSynology MailPlus Server · 8.6/10
  • Free planboth
  • Free trialonly MailEnable
  • Most featuresSynology MailPlus Server · 4 of 4

Synology MailPlus Server scores higher on our rubric for email server software: 8.6 against 8.5 out of 10; our editors rank them #6 and #7.

Synology MailPlus Server is the better fit for synology NAS users hosting organizational email. MailEnable is the better fit for windows teams wanting a free mail server with webmail.

  • Synology MailPlus Server fits best

    Synology NAS users hosting organizational email

  • MailEnable fits best

    Windows teams wanting a free mail server with webmail

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature Synology MailPlus Server 8.6/10 Visit ↗ MailEnable 8.5/10 Visit ↗
At a glance
Editor score 8.6 8.5
Ranking #6 in Email Server Software #7 in Email Server Software
Best for Synology NAS users hosting organizational email Windows teams wanting a free mail server with webmail
Pricing model Free plan + paid Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — 60 days
Deployment Self-hosted Self-hosted
Platforms Web, iOS, Android Web, Windows
Integrations 7 integrations 1 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Synology MailPlus Server 4/4 · MailEnable 0/4
Mail transfer agent ✓ (best) Not checked yet
Mailbox server ✓ (best) Not checked yet
Integrated mail server ✓ (best) Not checked yet
Directory integration ✓ (best) Not checked yet
Specs
Deployment Self-hosted Not checked yet
Email protocols SMTP, IMAP, POP3 Not checked yet
Our review
Pros
  • Supports SMTP, IMAP, and POP3 for mail-client access
  • Migration from Microsoft Exchange and Google Workspace
  • Directory integration, policy controls, filtering, and clustering
  • Free Standard edition includes SMTP, IMAP, POP3 and webmail
  • Supports unlimited domains and users in Standard Edition
  • Paid tiers add mobile webmail, anti-spam tools and clustering
Cons
  • Requires compatible Synology NAS hardware and self-hosted administration
  • Only five email-account licenses are included with compatible NAS hardware
  • License packs add cost, and pricing is not published on the official page
  • Self-hosted deployment requires a Windows environment
  • Advanced capabilities are split across paid editions
  • Paid editions begin at $395 one-time per server
Our verdict

Synology MailPlus Server turns compatible Synology NAS hardware into a self-hosted organizational email system. It suits small, mid-market, and enterprise teams that want to host custom or multiple domains and administer mail on their own…

Read the review →

MailEnable is self-hosted email server software for Microsoft Windows, aimed at individuals, businesses and hosting providers that want to operate mail services on their own infrastructure. Its Standard Edition is free for personal and…

Read the review →
  1. Synology MailPlus ServerEmail Server Software 8.6Free plan
  2. MailEnableEmail Server Software 8.5Free plan · 60-day trial

Strengths and trade-offs

  • Synology MailPlus Server — where it wins

    • Supports SMTP, IMAP, and POP3 for mail-client access
    • Migration from Microsoft Exchange and Google Workspace
    • Directory integration, policy controls, filtering, and clustering

    Where it doesn't

    • Requires compatible Synology NAS hardware and self-hosted administration
    • Only five email-account licenses are included with compatible NAS hardware
    • License packs add cost, and pricing is not published on the official page

  • MailEnable — where it wins

    • Free Standard edition includes SMTP, IMAP, POP3 and webmail
    • Supports unlimited domains and users in Standard Edition
    • Paid tiers add mobile webmail, anti-spam tools and clustering

    Where it doesn't

    • Self-hosted deployment requires a Windows environment
    • Advanced capabilities are split across paid editions
    • Paid editions begin at $395 one-time per server
  • Synology MailPlus Server8.6/10 · Free plan

    A full-featured mail server for organizations already running compatible Synology NAS hardware.

    Visit SynologyFull verdict →
  • MailEnable8.5/10 · Free plan · 60-day trial

    MailEnable combines core mail protocols and webmail with optional admin, spam and clustering features.

    Visit MailEnableFull verdict →

More comparisons

All email server software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update