Terms of Service

Effective date: February 21, 2026

These Terms of Service ("Terms") govern your use of Fastmail Checker, including the browser extension, related website pages, and proxy functionality (collectively, the "Service"). By using the Service, you agree to these Terms.

Eligibility and Account Responsibility

You are responsible for your browser environment, account credentials, and any activity performed through your use of the Service.

Permitted Use

You may use the Service only for lawful purposes and in compliance with applicable laws, browser store policies, and third-party service terms.

Prohibited Use

You agree not to:

Privacy

Your use of the Service is also governed by the Privacy Policy at /privacy-policy.

Third-Party Services

The Service may interact with third-party platforms, networks, or infrastructure providers. Those third parties operate under their own terms and privacy policies, and Fastmail Checker is not responsible for third-party services.

Service Availability and Changes

The Service may be updated, modified, suspended, or discontinued at any time, with or without notice. Features may change over time.

Disclaimer of Warranties

The Service is provided "as is" and "as available" without warranties of any kind, express or implied, including implied warranties of merchantability, fitness for a particular purpose, and non-infringement.

Limitation of Liability

To the maximum extent permitted by law, Fastmail Checker will not be liable for indirect, incidental, special, consequential, exemplary, or punitive damages, or any loss of data, profits, goodwill, or business interruption arising from or related to your use of the Service.

Indemnification

You agree to indemnify and hold harmless Fastmail Checker from claims, liabilities, damages, losses, and expenses arising out of your misuse of the Service or violation of these Terms.

Termination

You may stop using the Service at any time. Fastmail Checker may suspend or terminate access to the Service at any time if necessary to protect the Service, users, or legal compliance.

Governing Law

These Terms are governed by applicable laws in the jurisdiction where the Service operator is based, without regard to conflict-of-law principles.

Changes to These Terms

We may update these Terms from time to time. Continued use of the Service after updates means you accept the revised Terms.

Contact

For questions about these Terms, contact [email protected].