# Zivver Secure Email Gateway alternatives and competitors (2026)

The closest Zivver Secure Email Gateway alternatives are [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions), [SEPPmail Secure Email Gateway](https://cybersectools.com/tools/seppmail-secure-email-gateway) and [Egress Protect](https://cybersectools.com/tools/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 alternatives. Closest matches: Z1 SecureMail Gateway, SEPPmail Secure Email Gateway, Egress Protect.

## The product

[Zivver Secure Email Gateway](https://cybersectools.com/tools/zivver-secure-email-gateway) by Zivver

Secure email gateway with automated DLP and zero-knowledge encryption

Category: [Email & Messaging Security](https://cybersectools.com/categories/email-security) · Pricing model: Commercial

## Zivver Secure Email Gateway alternatives and competitors

Zivver Secure Email Gateway is a commercial [Email Encryption](https://cybersectools.com/categories/email-encryption) solution made by Zivver. The closest matches by shared tags and NIST CSF 2.0 coverage are [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions), [SEPPmail Secure Email Gateway](https://cybersectools.com/tools/seppmail-secure-email-gateway), [Egress Protect](https://cybersectools.com/tools/egress-protect), [Beyond Encryption Mailock® Secure Email](https://cybersectools.com/tools/beyond-encryption-mailockr-secure-email), and [CloudMask End-to-End Encryption](https://cybersectools.com/tools/cloudmask-end-to-end-encryption). All 27 alternatives on this page are ranked the same way.

## The closest Zivver Secure Email Gateway alternatives

These 8 solutions overlap most with Zivver Secure Email Gateway. Each one says what the product does and, when the overlap is big enough, which capabilities it shares.

### 1. [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions)

Enterprise email encryption gateway supporting S/MIME, OpenPGP, and digital signing.

[Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial

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

[Z1 SecureMail Gateway alternatives](https://cybersectools.com/alternatives/zertificon-z1-solutions) · [Zivver Secure Email Gateway vs Z1 SecureMail Gateway](https://cybersectools.com/compare/zertificon-z1-solutions-vs-zivver-secure-email-gateway)

### 2. [SEPPmail Secure Email Gateway](https://cybersectools.com/tools/seppmail-secure-email-gateway)

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

[Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial

Key features: 6 listed. See them on the [SEPPmail Secure Email Gateway page](https://cybersectools.com/tools/seppmail-secure-email-gateway#features).

[SEPPmail Secure Email Gateway alternatives](https://cybersectools.com/alternatives/seppmail-secure-email-gateway) · [Zivver Secure Email Gateway vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/seppmail-secure-email-gateway-vs-zivver-secure-email-gateway)

### 3. [Egress Protect](https://cybersectools.com/tools/egress-protect)

End-to-end email encryption with DLP and access controls for Microsoft 365

[Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial

Key features: 10 listed. See them on the [Egress Protect page](https://cybersectools.com/tools/egress-protect#features).

[Egress Protect alternatives](https://cybersectools.com/alternatives/egress-protect) · [Zivver Secure Email Gateway vs Egress Protect](https://cybersectools.com/compare/egress-protect-vs-zivver-secure-email-gateway)

### 4. [Beyond Encryption Mailock® Secure Email](https://cybersectools.com/tools/beyond-encryption-mailockr-secure-email)

Encrypted email platform with recipient verification, tracking, and revocation.

[Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial

Key features: 6 listed. See them on the [Beyond Encryption Mailock® Secure Email page](https://cybersectools.com/tools/beyond-encryption-mailockr-secure-email#features).

[Beyond Encryption Mailock® Secure Email alternatives](https://cybersectools.com/alternatives/beyond-encryption-mailockr-secure-email) · [Zivver Secure Email Gateway vs Beyond Encryption Mailock® Secure Email](https://cybersectools.com/compare/beyond-encryption-mailockr-secure-email-vs-zivver-secure-email-gateway)

### 5. [CloudMask End-to-End Encryption](https://cybersectools.com/tools/cloudmask-end-to-end-encryption)

E2EE solution for emails, files & SaaS apps with user-held encryption keys.

[Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial

Key features: 6 listed. See them on the [CloudMask End-to-End Encryption page](https://cybersectools.com/tools/cloudmask-end-to-end-encryption#features).

[CloudMask End-to-End Encryption alternatives](https://cybersectools.com/alternatives/cloudmask-end-to-end-encryption) · [Zivver Secure Email Gateway vs CloudMask End-to-End Encryption](https://cybersectools.com/compare/cloudmask-end-to-end-encryption-vs-zivver-secure-email-gateway)

### 6. [DigiCert Secure Email (S/MIME) Certs](https://cybersectools.com/tools/digicert-secure-email-smime-certs)

S/MIME certificates for end-to-end email encryption and signing.

[Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial

Key features: 9 listed. See them on the [DigiCert Secure Email (S/MIME) Certs page](https://cybersectools.com/tools/digicert-secure-email-smime-certs#features).

[DigiCert Secure Email (S/MIME) Certs alternatives](https://cybersectools.com/alternatives/digicert-secure-email-smime-certs) · [Zivver Secure Email Gateway vs DigiCert Secure Email (S/MIME) Certs](https://cybersectools.com/compare/digicert-secure-email-smime-certs-vs-zivver-secure-email-gateway)

### 7. [Intermedia Email Encryption](https://cybersectools.com/tools/intermedia-email-encryption)

Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs.

[Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial

Key features: 10 listed. See them on the [Intermedia Email Encryption page](https://cybersectools.com/tools/intermedia-email-encryption#features).

[Intermedia Email Encryption alternatives](https://cybersectools.com/alternatives/intermedia-email-encryption) · [Zivver Secure Email Gateway vs Intermedia Email Encryption](https://cybersectools.com/compare/intermedia-email-encryption-vs-zivver-secure-email-gateway)

### 8. [PreVeil Security](https://cybersectools.com/tools/preveil-security)

End-to-end encrypted email & file sharing with zero-trust architecture.

[Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial

Key features: 8 listed. See them on the [PreVeil Security page](https://cybersectools.com/tools/preveil-security#features).

[PreVeil Security alternatives](https://cybersectools.com/alternatives/preveil-security) · [Zivver Secure Email Gateway vs PreVeil Security](https://cybersectools.com/compare/preveil-security-vs-zivver-secure-email-gateway)

## All 27 products like Zivver Secure Email Gateway

The 8 above, plus:

- [StealthMail](https://cybersectools.com/tools/stealthmail): Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities. (Commercial)
- [LuxSci](https://cybersectools.com/tools/luxsci): HIPAA-compliant email, marketing, and forms platform for healthcare orgs. (Commercial)
- [PRIM'X ZEDMAIL](https://cybersectools.com/tools/primx-zedmail): Transparent email and attachment encryption for corporate messaging via Outlook (Commercial)
- [TitanHQ EncryptTitan](https://cybersectools.com/tools/titanhq-encrypttitan): Email encryption solution for secure information exchange via email (Commercial)
- [Kiteworks Secure Email](https://cybersectools.com/tools/kiteworks-secure-email): Secure email platform with encryption, DLP, and policy automation (Commercial)
- [INKY Email Encryption](https://cybersectools.com/tools/inky-email-encryption): Email encryption solution for securing sensitive data in email communications (Commercial)
- [Galaxkey Email Encryption Software](https://cybersectools.com/tools/galaxkey-email-encryption-software): Email encryption software using FIPS 140-2 compliant modules and RSA keys (Commercial)
- [Virtru Email Encryption](https://cybersectools.com/tools/virtru-email-encryption): End-to-end email encryption for Gmail and Outlook with access controls (Commercial)
- [Seclore Email Encryption](https://cybersectools.com/tools/seclore-email-encryption): Email encryption solution with access control, tracking, and revocation (Commercial)
- [RPost RMail Email Encryption](https://cybersectools.com/tools/rpost-rmail-email-encryption): Email encryption service with automated delivery and compliance tracking (Commercial)
- [SecurelyShare for Email](https://cybersectools.com/tools/securelyshare-for-email): End-to-end email encryption solution with centralized policy management (Commercial)
- [Echoworx Branding as a Service](https://cybersectools.com/tools/echoworx-branding-as-a-service): White-label branding layer for Echoworx's email encryption platform. (Commercial)
- [SalaX Secure Mail](https://cybersectools.com/tools/salax-secure-mail): Email encryption solution for secure organizational communications. (Commercial)
- [Honeycake Email](https://cybersectools.com/tools/honeycake-email): Email client plugin that encrypts file attachments into .cake format before sending. (Commercial)
- [Smartlockr Secure Email for Recruiters](https://cybersectools.com/tools/smartlockr-secure-email-for-recruiters): Secure email solution for recruiters to encrypt and share sensitive candidate data (Commercial)
- [Nightfall Data Encryption](https://cybersectools.com/tools/nightfall-data-encryption): AI-powered email encryption solution for compliance with HIPAA, FINRA, FERPA (Commercial)
- [OpenText Core Email Encryption](https://cybersectools.com/tools/opentext-core-email-encryption): Cloud-based email encryption with automated DLP policies and delivery methods (Commercial)
- [Paubox Email Encryption](https://cybersectools.com/tools/paubox-email-encryption): HIPAA-compliant email encryption for Google Workspace and Microsoft 365 (Commercial)
- [Green Radar grKey](https://cybersectools.com/tools/green-radar-grkey) (Commercial)

## Alternatives to each of these

[Z1 SecureMail Gateway alternatives](https://cybersectools.com/alternatives/zertificon-z1-solutions) · [SEPPmail Secure Email Gateway alternatives](https://cybersectools.com/alternatives/seppmail-secure-email-gateway) · [Egress Protect alternatives](https://cybersectools.com/alternatives/egress-protect) · [Beyond Encryption Mailock® Secure Email alternatives](https://cybersectools.com/alternatives/beyond-encryption-mailockr-secure-email) · [CloudMask End-to-End Encryption alternatives](https://cybersectools.com/alternatives/cloudmask-end-to-end-encryption) · [DigiCert Secure Email (S/MIME) Certs alternatives](https://cybersectools.com/alternatives/digicert-secure-email-smime-certs) · [Intermedia Email Encryption alternatives](https://cybersectools.com/alternatives/intermedia-email-encryption) · [PreVeil Security alternatives](https://cybersectools.com/alternatives/preveil-security) · [StealthMail alternatives](https://cybersectools.com/alternatives/stealthmail) · [LuxSci alternatives](https://cybersectools.com/alternatives/luxsci) · [PRIM'X ZEDMAIL alternatives](https://cybersectools.com/alternatives/primx-zedmail) · [TitanHQ EncryptTitan alternatives](https://cybersectools.com/alternatives/titanhq-encrypttitan)

## Other Zivver products

[Zivver Secure Business Email alternatives](https://cybersectools.com/alternatives/zivver-secure-business-email) · [Zivver Security Awareness Training alternatives](https://cybersectools.com/alternatives/zivver-security-awareness-training)

## Compare Zivver Secure Email Gateway with

- [Zivver Secure Email Gateway vs Z1 SecureMail Gateway](https://cybersectools.com/compare/zertificon-z1-solutions-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/seppmail-secure-email-gateway-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs Egress Protect](https://cybersectools.com/compare/egress-protect-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs Beyond Encryption Mailock® Secure Email](https://cybersectools.com/compare/beyond-encryption-mailockr-secure-email-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs CloudMask End-to-End Encryption](https://cybersectools.com/compare/cloudmask-end-to-end-encryption-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs DigiCert Secure Email (S/MIME) Certs](https://cybersectools.com/compare/digicert-secure-email-smime-certs-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs Intermedia Email Encryption](https://cybersectools.com/compare/intermedia-email-encryption-vs-zivver-secure-email-gateway)
- [Zivver Secure Email Gateway vs PreVeil Security](https://cybersectools.com/compare/preveil-security-vs-zivver-secure-email-gateway)

## Zivver Secure Email Gateway Alternatives FAQ

### What are the closest 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.

### How many alternatives to Zivver Secure Email Gateway are available?

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.

### Is Zivver Secure Email Gateway free or commercial?

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.

### What type of solution is Zivver Secure Email Gateway?

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.

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Source: https://cybersectools.com/alternatives/zivver-secure-email-gateway

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL).

More on Zivver Secure Email Gateway and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md
