FTAPI Platform vs StealthMail: Side-by-Side Comparison (2026)

FTAPI Platform: Secure file transfer & data workflow platform with E2E encryption. built by FTAPI. Core capabilities include End-to-end encrypted email with attachments up to 100 GB (SecuMails), Four selectable security levels including E2E encryption via SecuPass technology, Encrypted virtual data rooms for file storage and collaboration (SecuRooms)..

StealthMail: Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities. built by StealthMail. Core capabilities include End-to-end email encryption using Stealth-Links instead of direct content transmission, User-owned encryption key management (ECC 512+ bit), Role-based access controls for managing user permissions..

Both serve the Email Encryption market but differ in approach, feature depth, and target audience.

FTAPI Platform differentiates with End-to-end encrypted email with attachments up to 100 GB (SecuMails), Four selectable security levels including E2E encryption via SecuPass technology, Encrypted virtual data rooms for file storage and collaboration (SecuRooms). StealthMail differentiates with End-to-end email encryption using Stealth-Links instead of direct content transmission, User-owned encryption key management (ECC 512+ bit), Role-based access controls for managing user permissions.

FTAPI Platform is developed by FTAPI. StealthMail is developed by StealthMail. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

FTAPI Platform and StealthMail serve similar Email Encryption use cases: both are Email Encryption tools, both cover Encryption. Review the feature comparison above to determine which fits your requirements.