OpenText Core Email Encryption is a commercial email encryption solution by OpenText Cybersecurity. RPost RMail Email Encryption is a commercial email encryption solution by Rmail. Features, integrations, deployment and the company behind each one, side by side.
Cloud-based email encryption with automated DLP policies and delivery methods
Email encryption service with automated delivery and compliance tracking
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Common questions when comparing OpenText Core Email Encryption vs RPost RMail Email Encryption for email encryption.
OpenText Core Email Encryption: Cloud-based email encryption with automated DLP policies and delivery methods. Built by OpenText Cybersecurity.
RPost RMail Email Encryption: Email encryption service with automated delivery and compliance tracking. Built by Rmail.
The table above shows where their features, integrations, deployment and company size fit differ.
OpenText Core Email Encryption is made by OpenText Cybersecurity. RPost RMail Email Encryption is made by Rmail. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. OpenText Core Email Encryption and RPost RMail Email Encryption are both Email Encryption products, and both cover TLS. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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