Secure Message Request a Demo
For growing businesses

Your business email deserves more than basic protection.

Secure Message adds a protective layer in front of the email you already use: it filters spam and suspicious mail, shows you what it caught, and, with Professional, lets you send sensitive messages securely.

  • Spam and suspicious mail filteredSpam scoring, DNS blocklists and SPF, DKIM and DMARC checks, free in Community.
  • See what's happeningQuarantine and a mail flow log show what was held and why.
  • Professional secure messagingHold sensitive outbound mail for a portal recipients open with a one-time code.
  • No migrationKeep your mailboxes, email clients and provider.

Prefer to try it yourself? Start with the free Community edition.

Get a quick walkthrough

Fifteen minutes on how it would protect your mail. No pressure.

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How it works

Simple to explain. Simple to run.

  1. Install the gateway

    On a Debian host you control.

  2. Route mail through it

    Point MX at the gateway; mail continues to your server.

  3. Review and relax

    Quarantine catches what doesn't belong; you release what does.

Admin console · appliance v1.5.8
The Quarantine page under Threat Protection: held mail with received time and spam score, a search box, Release selected, and an option to let recipients release their own held mail. Senders and recipients are redacted.
Quarantine on a running appliance: held mail by time and score.
Trust & security

Clear about what it does and doesn't.

Self-hosted

The gateway runs on a Debian host you control. Nothing in the mail path depends on Rubix.

Your keys

Stored messages are encrypted at rest with a key generated on your host. It never leaves it.

No overclaiming

Built to support safeguards like HIPAA's, not a certification. No product guarantees compliance.

Quick answers

Before you ask

What's free?

Community is free for one domain and one administrator, licensed for up to 10 users. It includes inbound filtering (spam scoring, DNS blocklists, SPF, DKIM and DMARC checks) plus quarantine, the mail log and admin MFA. The secure recipient portal is not part of Community; it's a Professional feature.

Will it slow down or block our mail if something breaks?

Filter errors defer mail for retry rather than losing it, and reputation checks fail open, so an outage elsewhere can't stop your mail.

What does Professional add?

The secure recipient portal, outbound protection rules, anti-phishing and spoof defense, anti-malware, recipient verification, advanced rules and encrypted backups.

More than basic. Still simple.

See it on a running appliance, then decide.

Request a Demo

Pricing is public: Community free · Professional $690/year · Enterprise $1,490/year.

See it in a short demoRequest a Demo