Assistant · Vendor site 2026-10-04
Mail-in-a-Box turns a cloud Ubuntu server into a personal mail stack with webmail, IMAP/SMTP, contacts, calendars, spam filtering, automated DNS and TLS, and backups so individuals can operate their own email domain.
Understand the total cost
Free
Free
Mail-in-a-Box is open-source software you install on your own server; the project page does not charge a software license fee.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. Mail-in-a-Box has an ongoing free plan. Mail-in-a-Box is open-source software you install on your own server; the project page does not charge a software license fee.
Mail-in-a-Box is listed as free. No paid plan with a published price was found.
We could not confirm API access for Mail-in-a-Box.