The closest Galaxkey Email Encryption Software alternatives are Z1 SecureMail Gateway, TitanHQ EncryptTitan and Kiteworks Secure Email. Picking a Galaxkey Email Encryption Software alternative comes down to fit: Email Encryption coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
27 alternativesClosest matches: Z1 SecureMail Gateway, TitanHQ EncryptTitan, Kiteworks Secure EmailPage updated Nov 2026
The product
Galaxkey Email Encryption Software
by GALAXKEY
Email encryption software using FIPS 140-2 compliant modules and RSA keys
Galaxkey Email Encryption Software is a commercial Email Encryption solution made by GALAXKEY. The closest matches by shared tags and NIST CSF 2.0 coverage are Z1 SecureMail Gateway, TitanHQ EncryptTitan, Kiteworks Secure Email, Egress Protect, and INKY Email Encryption. All 27 alternatives on this page are ranked the same way.
These 8 solutions overlap most with Galaxkey Email Encryption Software. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing.
Key features: Digital email signing for authenticity and integrity, Automated certificate management via CertMagic®, Inter-organizational encrypted email exchange via GlobalCrypt®, Cloud deployment support for Azure/M365 and Google Cloud/Workspace, Centralized server-side encryption transparent to end users
View Z1 SecureMail GatewayZ1 SecureMail Gateway alternativesGalaxkey Email Encryption Software vs Z1 SecureMail Gateway
Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing.
Email encryption solution for secure information exchange via email
Secure email platform with encryption, DLP, and policy automation
End-to-end email encryption with DLP and access controls for Microsoft 365
Email encryption solution for securing sensitive data in email communications
Secure email gateway with automated DLP and zero-knowledge encryption
End-to-end email encryption for Gmail and Outlook with access controls
Email encryption solution with access control, tracking, and revocation
Email encryption service with automated delivery and compliance tracking
End-to-end email encryption solution with centralized policy management
Encrypted email platform with recipient verification, tracking, and revocation.
E2EE solution for emails, files & SaaS apps with user-held encryption keys.
S/MIME certificates for end-to-end email encryption and signing.
White-label branding layer for Echoworx's email encryption platform.
Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs.
End-to-end encrypted email & file sharing with zero-trust architecture.
Email encryption solution for secure organizational communications.
Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities.
Email client plugin that encrypts file attachments into .cake format before sending.
Transparent email and attachment encryption for corporate messaging via Outlook
AI-powered email encryption solution for compliance with HIPAA, FINRA, FERPA
Cloud-based email encryption with automated DLP policies and delivery methods
Secure email solution for recruiters to encrypt and share sensitive candidate data
HIPAA-compliant email encryption for Google Workspace and Microsoft 365
Common questions when weighing alternatives to Galaxkey Email Encryption Software.
The closest matches to Galaxkey Email Encryption Software by shared tags and NIST CSF 2.0 coverage are Z1 SecureMail Gateway, TitanHQ EncryptTitan, Kiteworks Secure Email, Egress Protect, and INKY Email Encryption. All of them are Email Encryption products.
This page shows 27 alternatives to Galaxkey Email Encryption Software, all in the Email Encryption category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
Galaxkey Email Encryption Software is a commercial Email Encryption product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free.
Galaxkey Email Encryption Software is a Email Encryption product in the Email & Messaging Security category. You can compare it with the 27 other Email Encryption products on this page.
Email encryption solution for secure information exchange via email
Key features: 10 listed. See them on the TitanHQ EncryptTitan page.
View TitanHQ EncryptTitanTitanHQ EncryptTitan alternativesGalaxkey Email Encryption Software vs TitanHQ EncryptTitan
Secure email platform with encryption, DLP, and policy automation
Key features: 10 listed. See them on the Kiteworks Secure Email page.
View Kiteworks Secure EmailKiteworks Secure Email alternativesGalaxkey Email Encryption Software vs Kiteworks Secure Email
End-to-end email encryption with DLP and access controls for Microsoft 365
Key features: 10 listed. See them on the Egress Protect page.
View Egress ProtectEgress Protect alternativesGalaxkey Email Encryption Software vs Egress Protect
Email encryption solution for securing sensitive data in email communications
Key features: 5 listed. See them on the INKY Email Encryption page.
View INKY Email EncryptionINKY Email Encryption alternativesGalaxkey Email Encryption Software vs INKY Email Encryption
Secure email gateway with automated DLP and zero-knowledge encryption
Key features: 10 listed. See them on the Zivver Secure Email Gateway page.
View Zivver Secure Email GatewayZivver Secure Email Gateway alternativesGalaxkey Email Encryption Software vs Zivver Secure Email Gateway
End-to-end email encryption for Gmail and Outlook with access controls
Key features: 10 listed. See them on the Virtru Email Encryption page.
View Virtru Email EncryptionVirtru Email Encryption alternativesGalaxkey Email Encryption Software vs Virtru Email Encryption
Email encryption solution with access control, tracking, and revocation
Key features: 10 listed. See them on the Seclore Email Encryption page.
View Seclore Email EncryptionSeclore Email Encryption alternativesGalaxkey Email Encryption Software vs Seclore Email Encryption
No Email Encryption shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist