The closest Zivver Secure Email Gateway alternatives are Z1 SecureMail Gateway, SEPPmail Secure Email Gateway and Egress Protect. Picking a Zivver Secure Email Gateway 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, SEPPmail Secure Email Gateway, Egress ProtectPage updated Nov 2026
The product
by Zivver
Secure email gateway with automated DLP and zero-knowledge encryption
Zivver Secure Email Gateway is a commercial Email Encryption solution made by Zivver. The closest matches by shared tags and NIST CSF 2.0 coverage are Z1 SecureMail Gateway, SEPPmail Secure Email Gateway, Egress Protect, Beyond Encryption Mailock® Secure Email, and CloudMask End-to-End Encryption. All 27 alternatives on this page are ranked the same way.
These 8 solutions overlap most with Zivver Secure Email Gateway. 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 alternativesZivver Secure Email Gateway vs Z1 SecureMail Gateway
Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing.
End-to-end email encryption with DLP and access controls for Microsoft 365
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.
Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs.
End-to-end encrypted email & file sharing with zero-trust architecture.
Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities.
Transparent email and attachment encryption for corporate messaging via Outlook
Email encryption solution for secure information exchange via email
Secure email platform with encryption, DLP, and policy automation
Email encryption solution for securing sensitive data in email communications
Email encryption software using FIPS 140-2 compliant modules and RSA keys
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
White-label branding layer for Echoworx's email encryption platform.
Email encryption solution for secure organizational communications.
Email client plugin that encrypts file attachments into .cake format before sending.
Secure email solution for recruiters to encrypt and share sensitive candidate data
AI-powered email encryption solution for compliance with HIPAA, FINRA, FERPA
Cloud-based email encryption with automated DLP policies and delivery methods
HIPAA-compliant email encryption for Google Workspace and Microsoft 365
Common questions when weighing alternatives to Zivver Secure Email Gateway.
The closest matches to Zivver Secure Email Gateway by shared tags and NIST CSF 2.0 coverage are Z1 SecureMail Gateway, SEPPmail Secure Email Gateway, Egress Protect, Beyond Encryption Mailock® Secure Email, and CloudMask End-to-End Encryption. All of them are Email Encryption products.
This page shows 27 alternatives to Zivver Secure Email Gateway, 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.
Zivver Secure Email Gateway 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.
Zivver Secure Email Gateway 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.
SEPPmail Secure Email Gateway is an email security product that provides encryption and digital signing for email communications. It is designed to secure email traffic for organizations by enabling encrypted and signed message exchange with external and internal recipients. The gateway integrates with existing mail infrastructure to automatically apply encryption and decryption based on defined policies, without requiring end users to install additional software or manage encryption keys manually. It supports common encryption standards to enable secure communication with business partners and customers regardless of the encryption technology they use. The product is aimed at organizations that need to comply with data protection regulations and secure sensitive information sent via email, such as financial, healthcare, or legal data.</description> <parameter name="summary">Secure email gateway providing automated email encryption and digital signing
Key features: 6 listed. See them on the SEPPmail Secure Email Gateway page.
View SEPPmail Secure Email GatewaySEPPmail Secure Email Gateway alternativesZivver Secure Email Gateway vs SEPPmail Secure Email Gateway
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 alternativesZivver Secure Email Gateway vs Egress Protect
Encrypted email platform with recipient verification, tracking, and revocation.
Key features: 6 listed. See them on the Beyond Encryption Mailock® Secure Email page.
View Beyond Encryption Mailock® Secure EmailBeyond Encryption Mailock® Secure Email alternativesZivver Secure Email Gateway vs Beyond Encryption Mailock® Secure Email
E2EE solution for emails, files & SaaS apps with user-held encryption keys.
Key features: 6 listed. See them on the CloudMask End-to-End Encryption page.
View CloudMask End-to-End EncryptionCloudMask End-to-End Encryption alternativesZivver Secure Email Gateway vs CloudMask End-to-End Encryption
S/MIME certificates for end-to-end email encryption and signing.
Key features: 9 listed. See them on the DigiCert Secure Email (S/MIME) Certs page.
View DigiCert Secure Email (S/MIME) CertsDigiCert Secure Email (S/MIME) Certs alternativesZivver Secure Email Gateway vs DigiCert Secure Email (S/MIME) Certs
Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs.
Key features: 10 listed. See them on the Intermedia Email Encryption page.
View Intermedia Email EncryptionIntermedia Email Encryption alternativesZivver Secure Email Gateway vs Intermedia Email Encryption
End-to-end encrypted email & file sharing with zero-trust architecture.
Key features: 8 listed. See them on the PreVeil Security page.
View PreVeil SecurityPreVeil Security alternativesZivver Secure Email Gateway vs PreVeil Security
No Email Encryption shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist