Privacy Policy
Last updated: February 6, 2026
ePaper (hereinafter referred to as "we") values your privacy. This Privacy Policy explains how we collect, use, store, and protect your personal data when you use the ePaper newsletter platform services (hereinafter referred to as "Services"). By using our Services, you agree to the data processing practices described in this Policy.
1. Data Collection
We collect the following types of data:
When you register an account, we collect your email address, name, and password (stored in encrypted form). If you choose a paid plan, we collect necessary payment information through Stripe.
We automatically collect data related to service usage, including: login times, IP addresses, browser types, device information, page view history, and feature usage.
As a newsletter platform, we process subscriber lists you upload, newsletter content, sending records, and related statistics (such as open rates and click-through rates).
2. Data Usage
We use collected data for the following purposes:
- Provide, maintain, and improve our Services
- Process your account registration and identity verification
- Process payments and subscription management
- Send service-related notifications (such as system maintenance, plan changes)
- Provide customer support
- Analyze usage patterns to improve user experience
- Prevent fraud and ensure service security
- Comply with legal obligations
3. Cookies and Tracking Technologies
We use cookies and similar technologies for the following purposes:
Essential Cookies: Maintain your login session and ensure the Service functions properly
Analytics Cookies: Understand how the Service is used to improve features and performance
Preference Cookies: Remember your language preferences and interface settings
You can manage or disable cookies through your browser settings, but this may affect some Service features.
4. Third-Party Services
We use the following third-party services to provide and improve our Services. These service providers only process your data to the extent necessary to provide services to us:
We use Stripe to process all payment transactions. Your credit card information is processed directly by Stripe — we do not store full credit card numbers.
We use Supabase's managed PostgreSQL database service to store account data and service information.
We use Amazon Simple Email Service (SES) as the default email sending service. Recipient email addresses are processed during sending.
5. Data Retention
We retain your data according to the following principles:
Account data: Retained while your account is active, deleted within 30 days of account closure
Newsletter content and subscriber data: Retained while your account is active, deleted within 30 days of account closure
Payment records: Retained for a minimum of 5 years as required by law
Usage logs: Automatically deleted after 90 days
6. Your Rights
Under applicable law, you have the following rights:
Right of Access: You may request a copy of the personal data we hold about you
Right of Rectification: You may request correction of inaccurate or incomplete personal data
Right of Erasure: You may request deletion of your personal data (to the extent permitted by law)
Right of Portability: You may request export of your data in a structured format
Right to Object: You may object to processing of your personal data based on our legitimate interests
To exercise these rights, please contact us using the information below. We will respond within 30 days of receiving your request.
7. Data Security
We take reasonable technical and organizational measures to protect your personal data, including but not limited to: SSL/TLS encrypted transmission, password hash storage, Docker container isolation, regular security backups, and access control. Please note that no method of internet transmission or storage is completely secure, and we cannot guarantee absolute security.
8. Policy Changes
We may update this Privacy Policy from time to time. Significant changes will be communicated via email or in-service notification. Your continued use of our Services constitutes acceptance of the updated Privacy Policy. We recommend periodically reviewing this page for the latest privacy measures.
9. Contact Us
If you have questions about this Privacy Policy or need to exercise your data rights, please contact us:
Email: privacy@epaper.dev