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MailEnable vs SmarterMail: catalog facts
MailEnable	SmarterMail
Freemium A free Standard edition, with paid Professional, Enterprise and Premium editions and…	Freemium Can be downloaded for free, with paid licences available to buy.
Windows, Self-hosted	Windows, Linux, Web, Self-hosted
Webmail, IMAP and Exchange ActiveSync for mobile devices CalDAV and CardDAV for calendars and contacts	Native MAPI support for Outlook without plug-ins Calendars, contacts, tasks, chat and meetings included
Windows servers only Collaboration features are in the paid editions	Proprietary, closed-source software Running a mail server requires ongoing administration
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.