Disclaimer

Last updated: October 1, 2025

Informational use only

The information, diagnostics, and recommendations provided by SMTPTester are for general informational and diagnostic purposes only. While we strive to provide accurate and up-to-date results, we make no representations or warranties of any kind about the completeness, accuracy, reliability, suitability, or availability of the Service or the information contained on this website.

No professional advice

SMTPTester does not constitute professional security, networking, or legal advice. You should consult qualified professionals before making decisions based on diagnostic results, especially in production environments.

Third-party services

References to third-party providers (Gmail, Microsoft 365, SendGrid, etc.) are for illustrative purposes. SMTPTester is not affiliated with, endorsed by, or sponsored by any of these companies. All trademarks are the property of their respective owners.

Authorisation

You are solely responsible for ensuring you have the necessary authorisation to test any SMTP server you submit through the Service. Testing servers you do not own or operate without permission may violate local, national, or international laws.

Limitation of liability

In no event will SMTPTester be liable for any loss or damage, including without limitation indirect or consequential loss or damage, arising from the use of this Service.