Terms of Service

These terms govern your purchase and use of Maillayer ("the software"). By buying a license you agree to them. If anything's unclear, email us at [email protected].

The license

When you buy Maillayer you receive a perpetual, non-exclusive license to self-host the software on the number of domains permitted by your tier:

• Pro: Up to 10 domains. Unlimited brands per install.
• Solo (legacy): 1 domain. Existing licenses honored.
• Agency (legacy): Unlimited domains. Existing licenses honored; may be used to host Maillayer for clients.

A "domain" means a single host name (e.g. mail.example.com) on which a Maillayer instance is publicly reachable. Internal subdomains, staging environments, and dev installs that don't accept production traffic don't count toward your domain limit.

What you can do

• Run Maillayer on your own infrastructure (or your client's, on Agency).
• Modify the configuration, environment, and customize the dashboard styling for your own use.
• Receive lifetime image updates within your major version (and at our discretion across major versions).

What you can't do

• Re-sell, sublicense, or distribute the Maillayer Docker image to third parties as a product of your own.
• Operate Maillayer as a multi-tenant SaaS where third parties pay you for access (this is what our hosted tier exists for; contact us if you want a SaaS-tier license).
• Decompile, reverse-engineer, or extract proprietary parts of the container with the intent of building a competing product.

Refunds

We offer a 30-day, no-questions-asked refund from the date of purchase. Email [email protected] with your purchase email and we'll refund within 5 business days. After 30 days, all sales are final.

Updates

Updates are delivered as new image tags on GitHub Container Registry. You pull them via your platform (Railway redeploy, docker compose pull, etc.). We don't push updates to your installs.

Major-version upgrades may include database migrations. We aim to make these backward-compatible, but if a breaking change is unavoidable we'll publish migration notes in the release.

Support

• Solo: community / best-effort email response.
• Pro / Agency: priority email response, target 24h on business days.

We don't guarantee specific bug-fix turnarounds. Support covers helping you run the software — not your custom modifications.

Warranty disclaimer

The software is provided "as is" without warranty of any kind. We don't guarantee deliverability, uptime, or compatibility with any specific email provider. Maillayer is a tool that helps you send email; whether your email actually lands in inboxes depends on your domain reputation, your provider, your content, and the receivers — none of which we control.

Limitation of liability

Our total liability under these terms is limited to the amount you paid for your license. We are not liable for indirect, incidental, or consequential damages — including lost revenue, lost data, or reputational harm.

Termination

We may revoke a license if you breach these terms (e.g. operating Maillayer as a multi-tenant SaaS without an Agency license, or attempting to reverse-engineer the image). Revoked licenses are not eligible for refund.

Governing law

These terms are governed by the laws of the jurisdiction in which MVP Stack LLC is registered. Disputes will be resolved in that jurisdiction's courts.

Changes

We may update these terms occasionally. Material changes are emailed to license holders. Continued use of the software after a change means you accept the updated terms.