Kiteworks Secure Email is a commercial email encryption solution by Kiteworks. 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.
Secure email platform with encryption, DLP, and policy automation
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Kiteworks Secure Email fits if you need both cloud and on-premises options.
SEPPmail Secure Email Gateway fits if you need to run it on your own servers.
Common questions when comparing Kiteworks Secure Email vs SEPPmail Secure Email Gateway for email encryption.
Kiteworks Secure Email: Secure email platform with encryption, DLP, and policy automation, built by Kiteworks.
SEPPmail Secure Email Gateway: Built by SEPPmail AG.
The table above shows where their features, integrations, deployment and company size fit differ.
Kiteworks Secure Email is made by Kiteworks. 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. Kiteworks Secure Email and SEPPmail Secure Email Gateway are both Email Encryption products, and both cover Encryption. 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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