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Terms of Service

Last updated: July 2026

Agreement to Terms

By downloading, installing, or using Sheldon Sender ("the Application"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, do not use the Application.

These Terms constitute a legally binding agreement between you and L'inno ("Company," "we," "our," or "us").

License Grant

Subject to your compliance with these Terms and payment of applicable fees, we grant you a limited, non-exclusive, non-transferable, revocable license to:

  • Download and install the Application on devices you own or control
  • Use the Application for your internal business purposes
  • Make backup copies for archival purposes

Account and Registration

To use certain features, you must:

  • Provide accurate and complete registration information
  • Maintain the security of your license key and credentials
  • Accept responsibility for all activities under your account
  • Notify us immediately of any unauthorized use

Subscription and Payment

Pricing Plans

  • Free Trial: 14 days with up to 50 emails
  • Starter Plan: $4.99/month or $49.99/year (150 emails/month)
  • Basic Plan: $9.99/month or $99.99/year (300 emails/month)
  • Pro Plan: $19.99/month or $199.99/year (unlimited emails)

Third-Party Services (Google, SMTP, Payments)

The Application optionally integrates with third-party services at your choice. Your use of these services is also governed by their own terms:

  • Google Sign-In, Gmail send, and Google Sheets import: optional, used only if you connect a Google account. Your use is subject to the Google Terms of Service and Google Privacy Policy. See our Privacy Policy for exactly what Google data we access and how it's used.
  • SMTP providers (Outlook, Yahoo, company mail servers): optional alternative to Gmail; your credentials are encrypted and stored only on your device.
  • Polar: used only to process subscription payments; we never see or store your card details.

Prohibited Uses

You agree NOT to:

  • Reverse engineer, decompile, or disassemble the Application
  • Modify, adapt, or create derivative works
  • Share, transfer, or sublicense your license key
  • Use the Application for illegal purposes including spam
  • Attempt to bypass license restrictions
  • Remove or alter any copyright notices

Intellectual Property Rights

The Application, including all content, features, and functionality (including but not limited to all information, software, text, displays, images, and audio) are owned by L'inno, its licensors, or other providers of such material and are protected by copyright and other intellectual property laws.

Termination

We may terminate your license if you violate these Terms. Upon termination:

  • Your license will be immediately revoked
  • You must delete all copies of the Application
  • No refund for unused subscription time

Limitation of Liability

THE APPLICATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. WE SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES.

Indemnification

You agree to indemnify, defend, and hold harmless L'inno and its officers, directors, employees, and agents from any claims, damages, losses, or expenses (including legal fees) arising from your violation of these Terms, your use of the Application, or your infringement of third-party rights.

Governing Law

These Terms shall be governed by and construed in accordance with the laws of Vietnam, without regard to its conflict of laws principles.

Contact Us

For questions about these Terms, contact us at:

Email: info@linno-tech.com

Company: L'inno