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.
Technical users who want to self-host email for custom domains instead of relying on large consumer mailbox providers.
Current releases require Ubuntu 22.04 x64 and ongoing server administration, including DNS and deliverability tuning.
Mail-in-a-Box bundles Roundcube webmail, Nextcloud contacts, spam protection, and backup hooks so one VPS can serve multiple users and domains you control.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| All-in-one mail server | Homepage explains Mail-in-a-Box deploys webmail, IMAP/SMTP, contacts, calendars, and a control panel on one box. | Facts sourced | 2026-10-04 |
| Security automation | Site lists automated SPF, DKIM, DMARC, MTA-STS, and Let's Encrypt TLS provisioning. | Facts sourced | 2026-10-04 |
| Current version | Status section lists current version v76 as of May 24, 2026 on the project homepage. | Facts sourced | 2026-10-04 |
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.
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Explore toolThe practical questions
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.
Mail-in-a-Box is open-source software you install on your own server; the project page does not charge a software license fee.. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
Current releases require Ubuntu 22.04 x64 and ongoing server administration, including DNS and deliverability tuning.
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.