OpenText Core Email Encryption is a commercial email encryption solution by OpenText Cybersecurity. SEPPmail Secure Email Gateway is a commercial email encryption solution by SEPPmail AG. Features, integrations, deployment and the company behind each one, side by side.
Cloud-based email encryption with automated DLP policies and delivery methods
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Based on what each listing shows: deployment, company size, price and open source.
OpenText Core Email Encryption fits if you want a cloud product.
SEPPmail Secure Email Gateway fits if you need to run it on your own servers.
Common questions when comparing OpenText Core Email Encryption vs SEPPmail Secure Email Gateway for email encryption.
OpenText Core Email Encryption: Cloud-based email encryption with automated DLP policies and delivery methods. Built by OpenText Cybersecurity.
SEPPmail Secure Email Gateway: Built by SEPPmail AG.
The table above shows where their features, integrations, deployment and company size fit differ.
OpenText Core Email Encryption is made by OpenText Cybersecurity. SEPPmail Secure Email Gateway is made by SEPPmail AG. 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 SEPPmail Secure Email Gateway are both Email Encryption products, and both cover TLS. Use the table above to see where features, deployment and company size fit differ.
No Email Encryption shortlist yet. This is the closest one.
Updated 2026-11-02
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