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MDaemon Email Server vs Mox: catalog facts
MDaemon Email Server	Mox
Paid Commercial licence with renewals; a free 30-day trial is available.	Free Free and open source.
Windows, Self-hosted	Linux, Self-hosted
Self-hosted alternative to Exchange and Microsoft 365 Webmail, groupware and anti-spam in one package	Single program covering SMTP, IMAP and webmail Built-in DKIM, SPF, DMARC, MTA-STS and DANE
Runs on Windows only Paid licence with renewal fees	Younger and less widely deployed than Postfix and Dovecot Deliverability still depends on your IP reputation and DNS
Downloadable app, Self-hosted	Self-hosted
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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