# OpenText Core Email Encryption alternatives and competitors (2026) The closest OpenText Core Email Encryption alternatives are [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions), [RPost RMail Email Encryption](https://cybersectools.com/tools/rpost-rmail-email-encryption) and [TitanHQ EncryptTitan](https://cybersectools.com/tools/titanhq-encrypttitan). Picking an OpenText Core Email Encryption 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. 39 alternatives. Closest matches: Z1 SecureMail Gateway, RPost RMail Email Encryption, TitanHQ EncryptTitan. ## The product [OpenText Core Email Encryption](https://cybersectools.com/tools/opentext-core-email-encryption) by OpenText Cybersecurity Cloud-based email encryption with automated DLP policies and delivery methods Category: [Email & Messaging Security](https://cybersectools.com/categories/email-security) · Pricing model: Commercial ## OpenText Core Email Encryption alternatives and competitors OpenText Core Email Encryption is a commercial [Email Encryption](https://cybersectools.com/categories/email-encryption) solution made by OpenText Cybersecurity. The closest matches by shared tags and NIST CSF 2.0 coverage are [Z1 SecureMail Gateway](https://cybersectools.com/tools/zertificon-z1-solutions), [RPost RMail Email Encryption](https://cybersectools.com/tools/rpost-rmail-email-encryption), [TitanHQ EncryptTitan](https://cybersectools.com/tools/titanhq-encrypttitan), [Paubox Email Encryption](https://cybersectools.com/tools/paubox-email-encryption), and [LuxSci](https://cybersectools.com/tools/luxsci). All 39 alternatives on this page are ranked the same way. ## The closest OpenText Core Email Encryption alternatives These 8 solutions overlap most with OpenText Core Email Encryption. 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) · [OpenText Core Email Encryption vs Z1 SecureMail Gateway](https://cybersectools.com/compare/opentext-core-email-encryption-vs-zertificon-z1-solutions) ### 2. [RPost RMail Email Encryption](https://cybersectools.com/tools/rpost-rmail-email-encryption) Email encryption service with automated delivery and compliance tracking [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [RPost RMail Email Encryption page](https://cybersectools.com/tools/rpost-rmail-email-encryption#features). [RPost RMail Email Encryption alternatives](https://cybersectools.com/alternatives/rpost-rmail-email-encryption) · [OpenText Core Email Encryption vs RPost RMail Email Encryption](https://cybersectools.com/compare/opentext-core-email-encryption-vs-rpost-rmail-email-encryption) ### 3. [TitanHQ EncryptTitan](https://cybersectools.com/tools/titanhq-encrypttitan) Email encryption solution for secure information exchange via email [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [TitanHQ EncryptTitan page](https://cybersectools.com/tools/titanhq-encrypttitan#features). [TitanHQ EncryptTitan alternatives](https://cybersectools.com/alternatives/titanhq-encrypttitan) · [OpenText Core Email Encryption vs TitanHQ EncryptTitan](https://cybersectools.com/compare/opentext-core-email-encryption-vs-titanhq-encrypttitan) ### 4. [Paubox Email Encryption](https://cybersectools.com/tools/paubox-email-encryption) HIPAA-compliant email encryption for Google Workspace and Microsoft 365 [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 8 listed. See them on the [Paubox Email Encryption page](https://cybersectools.com/tools/paubox-email-encryption#features). [Paubox Email Encryption alternatives](https://cybersectools.com/alternatives/paubox-email-encryption) · [OpenText Core Email Encryption vs Paubox Email Encryption](https://cybersectools.com/compare/opentext-core-email-encryption-vs-paubox-email-encryption) ### 5. [LuxSci](https://cybersectools.com/tools/luxsci) HIPAA-compliant email, marketing, and forms platform for healthcare orgs. [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [LuxSci page](https://cybersectools.com/tools/luxsci#features). [LuxSci alternatives](https://cybersectools.com/alternatives/luxsci) · [OpenText Core Email Encryption vs LuxSci](https://cybersectools.com/compare/luxsci-vs-opentext-core-email-encryption) ### 6. [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. 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) · [OpenText Core Email Encryption vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/opentext-core-email-encryption-vs-seppmail-secure-email-gateway) ### 7. [Kiteworks Secure Email](https://cybersectools.com/tools/kiteworks-secure-email) Secure email platform with encryption, DLP, and policy automation [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [Kiteworks Secure Email page](https://cybersectools.com/tools/kiteworks-secure-email#features). [Kiteworks Secure Email alternatives](https://cybersectools.com/alternatives/kiteworks-secure-email) · [OpenText Core Email Encryption vs Kiteworks Secure Email](https://cybersectools.com/compare/kiteworks-secure-email-vs-opentext-core-email-encryption) ### 8. [Virtru Gmail Encryption](https://cybersectools.com/tools/virtru-gmail-encryption) End-to-end email encryption for Gmail with granular access controls [Email Encryption](https://cybersectools.com/categories/email-encryption) · Commercial Key features: 10 listed. See them on the [Virtru Gmail Encryption page](https://cybersectools.com/tools/virtru-gmail-encryption#features). [Virtru Gmail Encryption alternatives](https://cybersectools.com/alternatives/virtru-gmail-encryption) · [OpenText Core Email Encryption vs Virtru Gmail Encryption](https://cybersectools.com/compare/opentext-core-email-encryption-vs-virtru-gmail-encryption) ## All 39 products like OpenText Core Email Encryption The 8 above, plus: - [Nightfall Data Encryption](https://cybersectools.com/tools/nightfall-data-encryption): AI-powered email encryption solution for compliance with HIPAA, FINRA, FERPA (Commercial) - [Egress Protect](https://cybersectools.com/tools/egress-protect): End-to-end email encryption with DLP and access controls for Microsoft 365 (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) - [Zivver Secure Email Gateway](https://cybersectools.com/tools/zivver-secure-email-gateway): Secure email gateway with automated DLP and zero-knowledge encryption (Commercial) - [Virtru Email Encryption](https://cybersectools.com/tools/virtru-email-encryption): End-to-end email encryption for Gmail and Outlook with access controls (Commercial) - [Virtru Data Protection Gateway](https://cybersectools.com/tools/virtru-data-protection-gateway): Automated email & SaaS encryption gateway with DLP rules & access controls (Commercial) - [Virtru Google Workspace Encryption and Data Privacy](https://cybersectools.com/tools/virtru-google-workspace-encryption-and-data-privacy): Encryption and data privacy solution for Google Workspace applications (Commercial) - [Seclore Email Encryption](https://cybersectools.com/tools/seclore-email-encryption): Email encryption solution with access control, tracking, and revocation (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) - [SecurelyShare for Email](https://cybersectools.com/tools/securelyshare-for-email): End-to-end email encryption solution with centralized policy management (Commercial) - [Beyond Encryption Mailock® Secure Email](https://cybersectools.com/tools/beyond-encryption-mailockr-secure-email): Encrypted email platform with recipient verification, tracking, and revocation. (Commercial) - [Beyond Encryption Mailock for Outlook](https://cybersectools.com/tools/beyond-encryption-mailock-for-outlook): Outlook add-in for end-to-end email encryption with recipient auth & revoke. (Commercial) - [Beyond Encryption Mailock Enterprise](https://cybersectools.com/tools/beyond-encryption-mailock-enterprise): Enterprise secure email gateway with AES-256 encryption & recipient auth. (Commercial) - [Beyond Encryption Mailock for M365](https://cybersectools.com/tools/beyond-encryption-mailock-for-m365): AES-256 encrypted email add-on for M365 with auth & revocation. (Commercial) - [Beyond Encryption Mailock Automated](https://cybersectools.com/tools/beyond-encryption-mailock-automated): Automated bulk secure email encryption & delivery for enterprise orgs. (Commercial) - [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. (Commercial) - [CloudMask Secure Gmail](https://cybersectools.com/tools/cloudmask-secure-gmail): End-to-end Gmail encryption with user-controlled keys and trusted contacts. (Commercial) - [CloudMask E2EE for Healthcare](https://cybersectools.com/tools/cloudmask-e2ee-for-healthcare): E2E encryption for healthcare emails, files & apps protecting ePHI/PII. (Commercial) - [CloudMask E2EE for Education](https://cybersectools.com/tools/cloudmask-e2ee-for-education): E2EE solution for education covering emails, files, and apps. (Commercial) - [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. (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) - [Intermedia Email Encryption](https://cybersectools.com/tools/intermedia-email-encryption): Cloud-based email encryption service using PKI, S/MIME & X.509 for orgs. (Commercial) - [PreVeil Security](https://cybersectools.com/tools/preveil-security): End-to-end encrypted email & file sharing with zero-trust architecture. (Commercial) - [PreVeil Admin Features](https://cybersectools.com/tools/preveil-admin-features): Enterprise admin module for encrypted email & file sharing with E-discovery controls. (Commercial) - [PreVeil Email](https://cybersectools.com/tools/preveil-email): E2E encrypted email for regulated industries handling CUI and ITAR data. (Commercial) - [SalaX Secure Mail](https://cybersectools.com/tools/salax-secure-mail): Email encryption solution for secure organizational communications. (Commercial) - [StealthMail](https://cybersectools.com/tools/stealthmail): Enterprise email security via encrypted stealth-links, bypassing SMTP vulnerabilities. (Commercial) - [Honeycake Email](https://cybersectools.com/tools/honeycake-email): Email client plugin that encrypts file attachments into .cake format before sending. (Commercial) - [Green Radar grKey](https://cybersectools.com/tools/green-radar-grkey) (Commercial) - [PRIM'X ZEDMAIL](https://cybersectools.com/tools/primx-zedmail): Transparent email and attachment encryption for corporate messaging via Outlook (Commercial) ## Alternatives to each of these [Z1 SecureMail Gateway alternatives](https://cybersectools.com/alternatives/zertificon-z1-solutions) · [RPost RMail Email Encryption alternatives](https://cybersectools.com/alternatives/rpost-rmail-email-encryption) · [TitanHQ EncryptTitan alternatives](https://cybersectools.com/alternatives/titanhq-encrypttitan) · [Paubox Email Encryption alternatives](https://cybersectools.com/alternatives/paubox-email-encryption) · [LuxSci alternatives](https://cybersectools.com/alternatives/luxsci) · [SEPPmail Secure Email Gateway alternatives](https://cybersectools.com/alternatives/seppmail-secure-email-gateway) · [Kiteworks Secure Email alternatives](https://cybersectools.com/alternatives/kiteworks-secure-email) · [Virtru Gmail Encryption alternatives](https://cybersectools.com/alternatives/virtru-gmail-encryption) · [Nightfall Data Encryption alternatives](https://cybersectools.com/alternatives/nightfall-data-encryption) · [Egress Protect alternatives](https://cybersectools.com/alternatives/egress-protect) · [INKY Email Encryption alternatives](https://cybersectools.com/alternatives/inky-email-encryption) · [Galaxkey Email Encryption Software alternatives](https://cybersectools.com/alternatives/galaxkey-email-encryption-software) ## Other OpenText Cybersecurity products [OpenText Availability alternatives](https://cybersectools.com/alternatives/opentext-availability) · [OpenText Business Communication Archive alternatives](https://cybersectools.com/alternatives/opentext-business-communication-archive) · [OpenText Continuity & Compliance alternatives](https://cybersectools.com/alternatives/opentext-continuity-and-compliance) · [OpenText Core Cloud-to-Cloud Backup alternatives](https://cybersectools.com/alternatives/opentext-core-cloud-to-cloud-backup) · [OpenText Core DNS Protection alternatives](https://cybersectools.com/alternatives/opentext-core-dns-protection) · [OpenText Core EDR alternatives](https://cybersectools.com/alternatives/opentext-core-edr) · [OpenText Data Backup and Recovery alternatives](https://cybersectools.com/alternatives/opentext-data-backup-and-recovery) · [OpenText Email Security alternatives](https://cybersectools.com/alternatives/opentext-email-security) ## Compare OpenText Core Email Encryption with - [OpenText Core Email Encryption vs Z1 SecureMail Gateway](https://cybersectools.com/compare/opentext-core-email-encryption-vs-zertificon-z1-solutions) - [OpenText Core Email Encryption vs RPost RMail Email Encryption](https://cybersectools.com/compare/opentext-core-email-encryption-vs-rpost-rmail-email-encryption) - [OpenText Core Email Encryption vs TitanHQ EncryptTitan](https://cybersectools.com/compare/opentext-core-email-encryption-vs-titanhq-encrypttitan) - [OpenText Core Email Encryption vs Paubox Email Encryption](https://cybersectools.com/compare/opentext-core-email-encryption-vs-paubox-email-encryption) - [OpenText Core Email Encryption vs LuxSci](https://cybersectools.com/compare/luxsci-vs-opentext-core-email-encryption) - [OpenText Core Email Encryption vs SEPPmail Secure Email Gateway](https://cybersectools.com/compare/opentext-core-email-encryption-vs-seppmail-secure-email-gateway) - [OpenText Core Email Encryption vs Kiteworks Secure Email](https://cybersectools.com/compare/kiteworks-secure-email-vs-opentext-core-email-encryption) - [OpenText Core Email Encryption vs Virtru Gmail Encryption](https://cybersectools.com/compare/opentext-core-email-encryption-vs-virtru-gmail-encryption) ## OpenText Core Email Encryption Alternatives FAQ ### What are the closest alternatives to OpenText Core Email Encryption? The closest matches to OpenText Core Email Encryption by shared tags and NIST CSF 2.0 coverage are Z1 SecureMail Gateway, RPost RMail Email Encryption, TitanHQ EncryptTitan, Paubox Email Encryption, and LuxSci. All of them are Email Encryption products. ### How many alternatives to OpenText Core Email Encryption are available? This page shows 39 alternatives to OpenText Core Email Encryption, 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 OpenText Core Email Encryption free or commercial? OpenText Core Email Encryption 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 OpenText Core Email Encryption? OpenText Core Email Encryption is a Email Encryption product in the Email & Messaging Security category. You can compare it with the 39 other Email Encryption products on this page. --- Source: https://cybersectools.com/alternatives/opentext-core-email-encryption 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 OpenText Core Email Encryption 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