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Retarus Enterprise Cloud Fax is a commercial email encryption tool by Retarus. FTAPI Platform is a commercial email encryption tool by FTAPI. Compare features, ratings, integrations, and community reviews side by side to find the best email encryption fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Enterprise and mid-market security teams handling regulated document workflows (healthcare, financial services, legal) should use Retarus Enterprise Cloud Fax because it eliminates the compliance burden of managing on-premises fax infrastructure while maintaining audit trails for HIPAA, FERPA, and GDPR requirements. HITRUST e1 certification plus six geographically distributed data centers with redundancy means you're not gambling on a single vendor's infrastructure resilience, and the SAP and EHR integrations handle legacy systems without requiring expensive rewrites. Skip this if your organization needs modern API-first workflows as the primary interface; Retarus excels at retrofitting secure fax into existing enterprise stacks, not rearchitecting them.
Mid-market and enterprise teams that need to move sensitive files outside email will find FTAPI Platform's zero-knowledge architecture and 100 GB attachment capacity genuinely useful, especially where GDPR compliance matters; the German data center residency and automated key exchange eliminate the certificate-management friction that kills adoption on competing platforms. The E2E encryption across SecuMails, SecuRooms, and SecuForms covers the three workflows where encryption actually breaks down in practice. Skip this if your primary need is detection and response; FTAPI covers data security and asset management but leaves incident response largely to you.
Cloud-based enterprise fax service for secure document transmission
Secure file transfer & data workflow platform with E2E encryption.
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Common questions about comparing Retarus Enterprise Cloud Fax vs FTAPI Platform for your email encryption needs.
Retarus Enterprise Cloud Fax: Cloud-based enterprise fax service for secure document transmission. built by Retarus. headquartered in Germany. Core capabilities include Email-to-fax transmission, API integration for fax operations, HITRUST e1 certified backend infrastructure..
FTAPI Platform: Secure file transfer & data workflow platform with E2E encryption. built by FTAPI. headquartered in Germany. 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)..
Both serve the Email Encryption market but differ in approach, feature depth, and target audience.
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