Privacy Policy

Last Updated: November 24, 2025

InboxSim is an email testing platform provided by TMNSolutions Co., Ltd ("we," "us," or "our"). At InboxSim, we are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy describes how we collect, use, and safeguard your data when you use InboxSim's email testing services, including our website and applications.

1. Applicability

This Privacy Policy applies to the following InboxSim services:

  • InboxSim website
  • InboxSim application
By using any of these services, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

We may collect the following types of information:

  • Personal Information: Information that identifies you as an individual, such as your name, email address, username, and any personal details entered into your account settings or communications within InboxSim.
  • Usage Data: Information about how you use our application, including log data, device information, IP address, and location data.
  • Email Data: As an email testing platform, InboxSim stores all test emails sent to your inboxes. This includes email content, headers, attachments, sender/recipient information, and metadata. This data is essential for the core functionality of our service.
  • Billing Information: Payment information processed through our third-party payment provider (LemonSqueezy) for paid subscriptions.

Important Note: InboxSim is designed as an email testing platform. All emails sent through our service are intended for testing and development purposes only and will be stored on our servers according to your subscription plan's retention period.

3. How We Use Your Information

We may use the information we collect for various purposes, including:

  • To provide and maintain our email testing services.
  • To allow you to capture, store, preview, and analyze test emails sent through InboxSim.
  • To enable inbox sharing and team collaboration features.
  • To process your subscription payments and manage your account billing.
  • To notify you about service updates, usage limits, or account status changes.
  • To provide customer support and respond to your inquiries.
  • To enforce our retention policies and automatically delete emails older than your plan's retention period.
  • To gather analysis or valuable information to improve our services.
  • To detect, prevent, and address technical issues or policy violations.

4. Data Ownership and Privacy

At InboxSim, while we hold the rights to the application's code and infrastructure, your email data and content remain entirely yours. You retain full ownership of all emails, attachments, and content sent through our service. We provide you with choices regarding the data we gather and its usage.

We commit to never selling your personal data or email content, nor will we share it with third parties without your explicit consent, except as required by law or to provide the services you requested (such as processing payments through our payment provider).

Data Retention: Your email data is automatically retained according to your subscription plan's retention period (7, 30, 60, or 120 days). After this period, emails are automatically and permanently deleted from our systems. You can manually delete emails at any time before the retention period expires.

5. Security of Your Information

We take the security of your personal information seriously. We implement appropriate technical and organizational measures to protect your data from unauthorized access, use, or disclosure.

6. International Data Transfers

InboxSim primarily processes personal information in US. However, your personal information may be collected in any country where you provide us with data and may be stored and processed in any country where we have facilities or in which we engage service providers.

7. User Rights

Depending on your jurisdiction, you may have the following rights regarding your personal information:

  • The right to access, correct, or delete your data.
  • The right to restrict or object to our processing of your data.
  • The right to data portability.

8. Children's Privacy

Our services are not intended for individuals under the age of 16. We do not knowingly collect personal data from children. If you become aware that a child has provided us with personal data, please contact us.

9. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. For our registered customers, we will notify you of any changes by email and will also post the new Privacy Policy on this page, updating the effective date accordingly. We encourage you to review this Privacy Policy periodically to stay informed about our practices. Your continued use of the services after changes to the Privacy Policy constitutes your acceptance of the updated terms.

10. Contact Us

If you have any questions or concerns about this Privacy Policy, please contact us at: support@inboxsim.com