Privacy Policy

Last updated: February 2026

Postcard Messages LLC ("we," "us," or "our") operates Postcard Messages. This policy explains how we collect, use, and protect your information.

1. Information We Collect

Account Information

When you create an account, we collect:

• Email address
• Display name (optional)
• Password (stored securely hashed)

Uploaded Content

When you contribute to the archive, we store:

• Postcard images you upload
• Metadata about when and how content was uploaded
• Your user ID associated with contributions (for provenance)

What We Do Not Collect

We do not use:

• Third-party analytics or tracking services
• Advertising cookies
• Cross-site tracking

We use only essential cookies required for authentication and session management.

2. How We Use Your Information

We use your information to:

• Operate and maintain your account
• Display your contributions in the archive with proper attribution
• Maintain provenance records for archival integrity
• Communicate with you about your account or submissions
• Enforce our Terms of Use

3. Information Sharing

We do not sell your personal information. We may share information:

• When required by law
• To protect our rights or the safety of users
• With service providers who help us operate (e.g., hosting, email)

4. Data Retention

Account information is retained while your account is active. Contribution records are retained indefinitely as part of the archival record, even if you delete your account, to maintain provenance integrity.

5. Your Rights

You may:

• Request access to your personal data
• Correct inaccurate information
• Request deletion of your account

Note: Due to the archival nature of contributions, uploaded content and provenance records may be retained even after account deletion.

6. Security

We use industry-standard security measures including encrypted connections (HTTPS), secure password hashing, and access controls to protect your data.

7. Children's Privacy

Postcard Messages is not intended for users under 13 years of age. We do not knowingly collect information from children.

8. Changes to This Policy

We may update this policy from time to time. We will notify users of significant changes via email or site notice.

9. Contact

Privacy questions? Contact us at [email protected].