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mailinabox

Communication & Email

Mail-in-a-Box turns a fresh Ubuntu machine into a full‑featured, self‑hosted email server with SMTP, IMAP, webmail, spam filtering, DNSSEC and Let's Encrypt certificates in one click.

Python Latest v76 · 10d ago Security brief →

Features

  • One‑click deployment of a complete mail stack on Ubuntu
  • Includes SMTP (Postfix), IMAP (Dovecot), CardDAV/CalDAV (Nextcloud), Exchange ActiveSync (z-push) and webmail (Roundcube)
  • Automated DNS, SPF, DKIM, DMARC, DNSSEC, Let's Encrypt TLS certificates and backup management

Recent releases

View all 3 releases →

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We'll surface new releases as they're published — check back soon.

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The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.

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About

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Install & Platforms

Install via
shell-script
Platforms
linux

Community & Support

Alternative to

iRedMail Modoboa

Beta — feedback welcome: [email protected]