Galaxkey Email Encryption Software vs SEPPmail Secure Email Gateway: side-by-side comparison (2026)
Galaxkey Email Encryption Software is a commercial email encryption solution by GALAXKEY. 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.
Email encryption software using FIPS 140-2 compliant modules and RSA keys
Side-by-side comparison
Feature
Galaxkey Email Encryption Software
SEPPmail Secure Email Gateway
Pricing model
Commercial
Commercial
Category
Email Encryption
Email Encryption
Deployment and fit
Deployment type
Hybrid
On-Premises
Company size fit
Startup, SMB, Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Company
Company
GALAXKEY
SEPPmail AG
Use cases and capabilities
Encryption
Yes
Yes
Gateway
No
Yes
SMTP
No
Yes
GDPR
No
Yes
DKIM
No
Yes
SPF
No
Yes
DMARC
No
Yes
TLS
No
Yes
PII
No
Yes
Security Compliance Training
No
Yes
Core features
6 features listed
6 features listed
Integrations
3 integrations listed
12 integrations listed
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