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Criptext Review
Open-source encrypted email using Signal Protocol with local key storage
Panama
Founded 2015
Zero-Knowledge
Free Plan
Mobile Apps
2FA Support
Custom Domain
Overview
Criptext is an open-source encrypted email service based in Panama, known for its privacy-friendly jurisdiction. It uses the Signal Protocol for end-to-end encryption and stores all encryption keys locally on user devices, ensuring even Criptext cannot access your emails.
Key Features
- End-to-end encryption (Signal protocol)
- Panama jurisdiction
- Open-source client apps
- Email stored on device only
- Unsend emails feature
- Real-time email tracking
- Decentralized storage
- No personal data required
Pros
- Uses Signal protocol for encryption
- Panama jurisdiction (no data retention laws)
- Open-source apps
- Emails stored locally, not on servers
- Completely free service
- Read receipts and email tracking
Cons
- Limited to their apps only
- No IMAP/POP3 support
- Cannot use third-party clients
- Newer service with smaller user base
- Limited business features
- US-based development team
Pricing
Free (currently limited availability)
Technical Details
- Encryption
- Signal Protocol, AES-256
- Storage
- 10GB
- Headquarters
- Panama City, Panama